[INFO] fetching crate curl 0.4.44...
[INFO] checking curl-0.4.44 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate curl 0.4.44 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate curl 0.4.44 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curl 0.4.44
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate curl 0.4.44
[INFO] tweaked toml for crates.io crate curl 0.4.44 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate curl 0.4.44 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-ffi v0.8.2
[INFO] [stderr]   Downloaded curl-sys v0.4.56+curl-7.83.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3db5073dfc64df001e87d76df60f14ffcf431fe1fe295c09bcd18a6ebbe6d0ce
[INFO] running `Command { std: "docker" "start" "-a" "3db5073dfc64df001e87d76df60f14ffcf431fe1fe295c09bcd18a6ebbe6d0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db5073dfc64df001e87d76df60f14ffcf431fe1fe295c09bcd18a6ebbe6d0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db5073dfc64df001e87d76df60f14ffcf431fe1fe295c09bcd18a6ebbe6d0ce", kill_on_drop: false }`
[INFO] [stdout] 3db5073dfc64df001e87d76df60f14ffcf431fe1fe295c09bcd18a6ebbe6d0ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7c5a8fc6216babfeff1251a2e6132feb0e28abf0e6178cf7ea31ad47860eb5
[INFO] running `Command { std: "docker" "start" "-a" "5e7c5a8fc6216babfeff1251a2e6132feb0e28abf0e6178cf7ea31ad47860eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling curl v0.4.44 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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]     = note: use `let _ = ...` to ignore the expression or result
[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]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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]     = note: use `let _ = ...` to ignore the expression or result
[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]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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: 1 warning emitted
[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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "5e7c5a8fc6216babfeff1251a2e6132feb0e28abf0e6178cf7ea31ad47860eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7c5a8fc6216babfeff1251a2e6132feb0e28abf0e6178cf7ea31ad47860eb5", kill_on_drop: false }`
[INFO] [stdout] 5e7c5a8fc6216babfeff1251a2e6132feb0e28abf0e6178cf7ea31ad47860eb5
