[INFO] fetching crate curl 0.4.44...
[INFO] testing curl-0.4.44 against 1.76.0 for beta-1.77-1
[INFO] extracting crate curl 0.4.44 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate curl 0.4.44 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-4-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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded num_enum_derive v0.5.7
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded num_enum v0.5.7
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded rustls-ffi v0.8.2
[INFO] [stderr]   Downloaded rustls v0.20.6
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] [stderr]   Downloaded curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]   Downloaded openssl-src v111.22.0+1.1.1q
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d7cf424af528edb537f3176c55ecc9fe308efc1a59de25607496a792c182202
[INFO] running `Command { std: "docker" "start" "-a" "3d7cf424af528edb537f3176c55ecc9fe308efc1a59de25607496a792c182202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d7cf424af528edb537f3176c55ecc9fe308efc1a59de25607496a792c182202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7cf424af528edb537f3176c55ecc9fe308efc1a59de25607496a792c182202", kill_on_drop: false }`
[INFO] [stdout] 3d7cf424af528edb537f3176c55ecc9fe308efc1a59de25607496a792c182202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977dd3871e0b1eb6308096312dd11d194c976268557f0fd8e42ba4a6812e017c
[INFO] running `Command { std: "docker" "start" "-a" "977dd3871e0b1eb6308096312dd11d194c976268557f0fd8e42ba4a6812e017c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling curl v0.4.44 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "977dd3871e0b1eb6308096312dd11d194c976268557f0fd8e42ba4a6812e017c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977dd3871e0b1eb6308096312dd11d194c976268557f0fd8e42ba4a6812e017c", kill_on_drop: false }`
[INFO] [stdout] 977dd3871e0b1eb6308096312dd11d194c976268557f0fd8e42ba4a6812e017c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd0af43383a53aaf2ebbffdbcca1979e9d865c8aa5112b5fc110be2bfba5a706
[INFO] running `Command { std: "docker" "start" "-a" "bd0af43383a53aaf2ebbffdbcca1979e9d865c8aa5112b5fc110be2bfba5a706", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling iovec v0.1.4
[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] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling curl v0.4.44 (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "bd0af43383a53aaf2ebbffdbcca1979e9d865c8aa5112b5fc110be2bfba5a706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0af43383a53aaf2ebbffdbcca1979e9d865c8aa5112b5fc110be2bfba5a706", kill_on_drop: false }`
[INFO] [stdout] bd0af43383a53aaf2ebbffdbcca1979e9d865c8aa5112b5fc110be2bfba5a706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b5e95729c868c6d59c1a10c8263f9dc9fc0ba22c742e64bcd8c7f2173e7d9bf
[INFO] running `Command { std: "docker" "start" "-a" "8b5e95729c868c6d59c1a10c8263f9dc9fc0ba22c742e64bcd8c7f2173e7d9bf", kill_on_drop: false }`
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[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]     = note: use `let _ = ...` to ignore the expression or result
[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]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr] 
[INFO] [stderr] warning: `curl` (lib) generated 4 warnings
[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: `curl` (test "multi") generated 1 warning
[INFO] [stderr] warning: `curl` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `curl` (test "post") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `curl` (test "easy") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/curl-d7ab7367f728add9)
[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_whole_second ... ok
[INFO] [stdout] test easy::handler::double_seconds_to_duration_sub_second2 ... 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-49bac36735113e12)
[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:     0x562159f06326 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x562159f06326 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x562159f06326 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x562159f06326 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x562159f25190 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x562159f25190 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x562159f0477f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]    7:     0x562159f06104 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x562159f06104 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x562159f07667 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stderr]   10:     0x562159f073c9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x562159f07af8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stderr]   12:     0x562159f079d2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stderr]   13:     0x562159f06826 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   14:     0x562159f07730 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stderr]   15:     0x562159ed81d5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stderr]   16:     0x562159ed8733 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stderr]   17:     0x562159ed8d94 - core::result::Result<T,E>::unwrap::h78927dd91fc940b3
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stderr]   18:     0x562159ed94da - atexit::hook::h0866ad1772360134
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:7:5
[INFO] [stderr]   19:     0x562159ed953e - atexit::main::h4f06866dbc647a46
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/atexit.rs:12:5
[INFO] [stderr]   20:     0x562159ed8d1b - core::ops::function::FnOnce::call_once::hdd1e63f333683c89
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x562159ed8ade - std::sys_common::backtrace::__rust_begin_short_backtrace::hea696a79b1db5e05
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   22:     0x562159ed8b51 - std::rt::lang_start::{{closure}}::h66f6fbb82b7e436b
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:166:18
[INFO] [stderr]   23:     0x562159f01991 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stderr]   24:     0x562159f01991 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]   25:     0x562159f01991 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]   26:     0x562159f01991 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]   27:     0x562159f01991 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stderr]   28:     0x562159f01991 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]   29:     0x562159f01991 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]   30:     0x562159f01991 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]   31:     0x562159f01991 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stderr]   32:     0x562159ed8b2a - std::rt::lang_start::h626bafb716584d08
[INFO] [stderr]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:165:17
[INFO] [stderr]   33:     0x562159ed959e - main
[INFO] [stderr]   34:     0x7fecb94a6d90 - <unknown>
[INFO] [stderr]   35:     0x7fecb94a6e40 - __libc_start_main
[INFO] [stderr]   36:     0x562159ed8a05 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test atexit`
[INFO] running `Command { std: "docker" "inspect" "8b5e95729c868c6d59c1a10c8263f9dc9fc0ba22c742e64bcd8c7f2173e7d9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5e95729c868c6d59c1a10c8263f9dc9fc0ba22c742e64bcd8c7f2173e7d9bf", kill_on_drop: false }`
[INFO] [stdout] 8b5e95729c868c6d59c1a10c8263f9dc9fc0ba22c742e64bcd8c7f2173e7d9bf
