[INFO] fetching crate ratcurl 0.1.0...
[INFO] testing ratcurl-0.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate ratcurl 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ratcurl 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ratcurl 0.1.0
[INFO] tweaked toml for crates.io crate ratcurl 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratcurl 0.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ratcurl 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e31c7f0bcbd3d036cef86185cd7a0c39ec8ca902529c104b8337bfda9161287b
[INFO] running `Command { std: "docker" "start" "-a" "e31c7f0bcbd3d036cef86185cd7a0c39ec8ca902529c104b8337bfda9161287b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31c7f0bcbd3d036cef86185cd7a0c39ec8ca902529c104b8337bfda9161287b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31c7f0bcbd3d036cef86185cd7a0c39ec8ca902529c104b8337bfda9161287b", kill_on_drop: false }`
[INFO] [stdout] e31c7f0bcbd3d036cef86185cd7a0c39ec8ca902529c104b8337bfda9161287b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737cd2b0f8e9761db497866775462cdb62db0ea2c147ba75d42ebf581036f47f
[INFO] running `Command { std: "docker" "start" "-a" "737cd2b0f8e9761db497866775462cdb62db0ea2c147ba75d42ebf581036f47f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ratcurl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.79
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling ratcurl-sys v0.1.0+curl-7.86.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:674:11
[INFO] [stdout]     |
[INFO] [stdout] 674 |     #[cfg(need_openssl_probe)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:696:15
[INFO] [stdout]     |
[INFO] [stdout] 696 |     #[cfg(not(need_openssl_probe))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/version.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols {
[INFO] [stdout]     |                      ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 114 -         drop(data);
[INFO] [stdout] 114 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         drop(whence);
[INFO] [stdout]     |         ^^^^^------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `SeekFrom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 138 -         drop(whence);
[INFO] [stdout] 138 +         let _ = whence;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&[u8]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 188 -         drop(data);
[INFO] [stdout] 188 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout]     |         ^^^^^--------------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(f64, f64, f64, f64)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 224 -         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout] 224 +         let _ = (dltotal, dlnow, ultotal, ulnow);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/easy/list.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `Command { std: "docker" "inspect" "737cd2b0f8e9761db497866775462cdb62db0ea2c147ba75d42ebf581036f47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737cd2b0f8e9761db497866775462cdb62db0ea2c147ba75d42ebf581036f47f", kill_on_drop: false }`
[INFO] [stdout] 737cd2b0f8e9761db497866775462cdb62db0ea2c147ba75d42ebf581036f47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1146308ea06ea5d89fd642c424c71a4baa4199481f23c5677365efe1c520a9b
[INFO] running `Command { std: "docker" "start" "-a" "a1146308ea06ea5d89fd642c424c71a4baa4199481f23c5677365efe1c520a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:674:11
[INFO] [stdout]     |
[INFO] [stdout] 674 |     #[cfg(need_openssl_probe)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:696:15
[INFO] [stdout]     |
[INFO] [stdout] 696 |     #[cfg(not(need_openssl_probe))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/version.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols {
[INFO] [stdout]     |                      ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 114 -         drop(data);
[INFO] [stdout] 114 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         drop(whence);
[INFO] [stdout]     |         ^^^^^------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `SeekFrom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 138 -         drop(whence);
[INFO] [stdout] 138 +         let _ = whence;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&[u8]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 188 -         drop(data);
[INFO] [stdout] 188 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout]     |         ^^^^^--------------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(f64, f64, f64, f64)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 224 -         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout] 224 +         let _ = (dltotal, dlnow, ultotal, ulnow);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/easy/list.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ratcurl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:674:11
[INFO] [stdout]     |
[INFO] [stdout] 674 |     #[cfg(need_openssl_probe)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stdout]    --> src/easy/handler.rs:696:15
[INFO] [stdout]     |
[INFO] [stdout] 696 |     #[cfg(not(need_openssl_probe))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stdout]   --> src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |         #[cfg(need_openssl_init)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> tests/server/mod.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   found = Some(header.clone());
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> tests/server/mod.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   found = Some(header.clone());
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> tests/server/mod.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   found = Some(header.clone());
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/version.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols {
[INFO] [stdout]     |                      ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn protocols(&self) -> Protocols<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 114 -         drop(data);
[INFO] [stdout] 114 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         drop(whence);
[INFO] [stdout]     |         ^^^^^------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `SeekFrom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 138 -         drop(whence);
[INFO] [stdout] 138 +         let _ = whence;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/easy/handler.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         drop(data);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&[u8]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 188 -         drop(data);
[INFO] [stdout] 188 +         let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/easy/handler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout]     |         ^^^^^--------------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(f64, f64, f64, f64)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 224 -         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stdout] 224 +         let _ = (dltotal, dlnow, ultotal, ulnow);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/easy/list.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "a1146308ea06ea5d89fd642c424c71a4baa4199481f23c5677365efe1c520a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1146308ea06ea5d89fd642c424c71a4baa4199481f23c5677365efe1c520a9b", kill_on_drop: false }`
[INFO] [stdout] a1146308ea06ea5d89fd642c424c71a4baa4199481f23c5677365efe1c520a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18bdacae156b285f02e14c4bf19df8ae27827d1c315ceac97a834fa8bf441e4f
[INFO] running `Command { std: "docker" "start" "-a" "18bdacae156b285f02e14c4bf19df8ae27827d1c315ceac97a834fa8bf441e4f", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stderr]    --> src/easy/handler.rs:674:11
[INFO] [stderr]     |
[INFO] [stderr] 674 |     #[cfg(need_openssl_probe)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `need_openssl_probe`
[INFO] [stderr]    --> src/easy/handler.rs:696:15
[INFO] [stderr]     |
[INFO] [stderr] 696 |     #[cfg(not(need_openssl_probe))]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_probe)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_probe)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stderr]   --> src/lib.rs:97:15
[INFO] [stderr]    |
[INFO] [stderr] 97 |         #[cfg(need_openssl_init)]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `need_openssl_init`
[INFO] [stderr]   --> src/lib.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 |         #[cfg(need_openssl_init)]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(need_openssl_init)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(need_openssl_init)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/version.rs:206:22
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn protocols(&self) -> Protocols {
[INFO] [stderr]     |                      ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn protocols(&self) -> Protocols<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/easy/handler.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         drop(data);
[INFO] [stderr]     |         ^^^^^----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut [u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 114 -         drop(data);
[INFO] [stderr] 114 +         let _ = data;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/easy/handler.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         drop(whence);
[INFO] [stderr]     |         ^^^^^------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `SeekFrom`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 138 -         drop(whence);
[INFO] [stderr] 138 +         let _ = whence;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/easy/handler.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         drop(data);
[INFO] [stderr]     |         ^^^^^----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 188 -         drop(data);
[INFO] [stderr] 188 +         let _ = data;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/easy/handler.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stderr]     |         ^^^^^--------------------------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `(f64, f64, f64, f64)`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 224 -         drop((dltotal, dlnow, ultotal, ulnow));
[INFO] [stderr] 224 +         let _ = (dltotal, dlnow, ultotal, ulnow);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/easy/list.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ratcurl` (lib) generated 10 warnings
[INFO] [stderr] warning: `ratcurl` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stderr]   --> tests/server/mod.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 | ...                   found = Some(header.clone());
[INFO] [stderr]    |                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ratcurl` (test "easy") generated 1 warning
[INFO] [stderr] warning: `ratcurl` (test "multi") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `ratcurl` (test "post") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ratcurl-639634bdcdbeaabe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test easy::handler::double_seconds_to_duration_sub_second1 ... ok
[INFO] [stdout] test easy::handler::double_seconds_to_duration_sub_second2 ... ok
[INFO] [stdout] test easy::handler::double_seconds_to_duration_whole_second ... ok
[INFO] [stdout] test tests::is_initialized_before_main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/atexit.rs (/opt/rustwide/target/debug/deps/atexit-e57064c43e4edb6a)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at tests/atexit.rs:7:20:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Error { description: "Couldn't resolve host name", code: 6, extra: Some("Could not resolve host: google.com") }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x61cc607b35b2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x61cc607b35b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x61cc607b35b2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x61cc607b35b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x61cc607cf173 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x61cc607cf173 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x61cc607b11e3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x61cc607b11e3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x61cc607b3402 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x61cc607b4486 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x61cc607b4289 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x61cc607b4e92 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]   12:     0x61cc607b4c2a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stderr]   13:     0x61cc607b3aa9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   14:     0x61cc607b48bd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]   15:     0x61cc607ce620 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stderr]   16:     0x61cc607ce996 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stderr]   17:     0x61cc6078e1aa - core::result::Result<T,E>::unwrap::hfffccaeffdd58c61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stderr]   18:     0x61cc6078e1aa - atexit::hook::h1709318de236ec67
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:7:20
[INFO] [stderr]   19:     0x61cc6078e257 - atexit::main::h9350906a05129185
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:12:5
[INFO] [stderr]   20:     0x61cc6078d803 - core::ops::function::FnOnce::call_once::h91f4481370642ecc
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x61cc6078d803 - std::sys::backtrace::__rust_begin_short_backtrace::h5c0e5228bef9d4c0
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   22:     0x61cc6078d7f9 - std::rt::lang_start::{{closure}}::h2afcc42cd03cbd8c
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:206:18
[INFO] [stderr]   23:     0x61cc607ae4c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stderr]   24:     0x61cc607ae4c0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   25:     0x61cc607ae4c0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   26:     0x61cc607ae4c0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   27:     0x61cc607ae4c0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]   28:     0x61cc607ae4c0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   29:     0x61cc607ae4c0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   30:     0x61cc607ae4c0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x61cc607ae4c0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]   32:     0x61cc6078e2fc - main
[INFO] [stderr]   33:     0x75847b20c1ca - <unknown>
[INFO] [stderr]   34:     0x75847b20c28b - __libc_start_main
[INFO] [stderr]   35:     0x61cc6078d725 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at library/core/src/panicking.rs:225:5:
[INFO] [stderr] panic in a function that cannot unwind
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x61cc607b35b2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x61cc607b35b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x61cc607b35b2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x61cc607b35b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x61cc607cf173 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x61cc607cf173 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x61cc607b11e3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x61cc607b11e3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x61cc607b3402 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x61cc607b4486 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x61cc607b4289 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x61cc607b4e92 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]   12:     0x61cc607b4bf6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stderr]   13:     0x61cc607b3aa9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   14:     0x61cc607b48bd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]   15:     0x61cc607ce642 - core::panicking::panic_nounwind_fmt::runtime::h562ffc47bd28880d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:117:22
[INFO] [stderr]   16:     0x61cc607ce642 - core::panicking::panic_nounwind_fmt::h25c6c70643d69ab8
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/intrinsics/mod.rs:2345:9
[INFO] [stderr]   17:     0x61cc607ce6d2 - core::panicking::panic_nounwind::hfa46e26f18668115
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:225:5
[INFO] [stderr]   18:     0x61cc607ce795 - core::panicking::panic_cannot_unwind::hf4bab4b51fea44c7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:346:5
[INFO] [stderr]   19:     0x61cc6078e222 - atexit::hook::h1709318de236ec67
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:3:1
[INFO] [stderr]   20:     0x61cc6078e257 - atexit::main::h9350906a05129185
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:12:5
[INFO] [stderr]   21:     0x61cc6078d803 - core::ops::function::FnOnce::call_once::h91f4481370642ecc
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   22:     0x61cc6078d803 - std::sys::backtrace::__rust_begin_short_backtrace::h5c0e5228bef9d4c0
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   23:     0x61cc6078d7f9 - std::rt::lang_start::{{closure}}::h2afcc42cd03cbd8c
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:206:18
[INFO] [stderr]   24:     0x61cc607ae4c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stderr]   25:     0x61cc607ae4c0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   26:     0x61cc607ae4c0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   27:     0x61cc607ae4c0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   28:     0x61cc607ae4c0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]   29:     0x61cc607ae4c0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   30:     0x61cc607ae4c0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   31:     0x61cc607ae4c0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   32:     0x61cc607ae4c0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]   33:     0x61cc6078e2fc - main
[INFO] [stderr]   34:     0x75847b20c1ca - <unknown>
[INFO] [stderr]   35:     0x75847b20c28b - __libc_start_main
[INFO] [stderr]   36:     0x61cc6078d725 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test atexit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/atexit-e57064c43e4edb6a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "18bdacae156b285f02e14c4bf19df8ae27827d1c315ceac97a834fa8bf441e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bdacae156b285f02e14c4bf19df8ae27827d1c315ceac97a834fa8bf441e4f", kill_on_drop: false }`
[INFO] [stdout] 18bdacae156b285f02e14c4bf19df8ae27827d1c315ceac97a834fa8bf441e4f
