[INFO] fetching crate ezlib 0.1.0...
[INFO] testing ezlib-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ezlib 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ezlib 0.1.0
[INFO] finished tweaking crates.io crate ezlib 0.1.0
[INFO] tweaked toml for crates.io crate ezlib 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezlib 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ezlib 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38a4bad6025136a0e673edb7ee0f514ee5b0b057827051d80cd7e295a56b9431
[INFO] running `Command { std: "docker" "start" "-a" "38a4bad6025136a0e673edb7ee0f514ee5b0b057827051d80cd7e295a56b9431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38a4bad6025136a0e673edb7ee0f514ee5b0b057827051d80cd7e295a56b9431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a4bad6025136a0e673edb7ee0f514ee5b0b057827051d80cd7e295a56b9431", kill_on_drop: false }`
[INFO] [stdout] 38a4bad6025136a0e673edb7ee0f514ee5b0b057827051d80cd7e295a56b9431
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e0cb814f899758a6fdc1a219e83c6bee8b9e825e0f82cd94477c0eeb8c30da
[INFO] running `Command { std: "docker" "start" "-a" "c3e0cb814f899758a6fdc1a219e83c6bee8b9e825e0f82cd94477c0eeb8c30da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling ezcbor v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ezlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key_index`
[INFO] [stdout]     --> src/lib.rs:1731:13
[INFO] [stdout]      |
[INFO] [stdout] 1731 |         let key_index = leaf.keys.find(key).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "c3e0cb814f899758a6fdc1a219e83c6bee8b9e825e0f82cd94477c0eeb8c30da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e0cb814f899758a6fdc1a219e83c6bee8b9e825e0f82cd94477c0eeb8c30da", kill_on_drop: false }`
[INFO] [stdout] c3e0cb814f899758a6fdc1a219e83c6bee8b9e825e0f82cd94477c0eeb8c30da
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cd08ba648e5a576726d912d649dce547aafeda918922cfa315bae86ebde21f
[INFO] running `Command { std: "docker" "start" "-a" "39cd08ba648e5a576726d912d649dce547aafeda918922cfa315bae86ebde21f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ezlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key_index`
[INFO] [stdout]     --> src/lib.rs:1731:13
[INFO] [stdout]      |
[INFO] [stdout] 1731 |         let key_index = leaf.keys.find(key).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_index`
[INFO] [stdout]     --> src/lib.rs:1731:13
[INFO] [stdout]      |
[INFO] [stdout] 1731 |         let key_index = leaf.keys.find(key).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "39cd08ba648e5a576726d912d649dce547aafeda918922cfa315bae86ebde21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cd08ba648e5a576726d912d649dce547aafeda918922cfa315bae86ebde21f", kill_on_drop: false }`
[INFO] [stdout] 39cd08ba648e5a576726d912d649dce547aafeda918922cfa315bae86ebde21f
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db16afab47eaa800d89b03915c313bfb91c53c9379c396bdd421a40f565211d4
[INFO] running `Command { std: "docker" "start" "-a" "db16afab47eaa800d89b03915c313bfb91c53c9379c396bdd421a40f565211d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `key_index`
[INFO] [stderr]     --> src/lib.rs:1731:13
[INFO] [stderr]      |
[INFO] [stderr] 1731 |         let key_index = leaf.keys.find(key).unwrap();
[INFO] [stderr]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ezlib` (lib) generated 1 warning
[INFO] [stderr] warning: `ezlib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ezlib-dedd14ce72ed1652)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_bytes_to_str ... ok
[INFO] [stdout] test tests::test_encode_hex ... ok
[INFO] [stdout] test tests::test_mean ... ok
[INFO] [stdout] test tests::test_median ... ok
[INFO] [stdout] test tests::test_mode ... ok
[INFO] [stdout] test tests::test_sum_f32_slice ... ok
[INFO] [stdout] test tests::test_fixed_list ... ok
[INFO] [stdout] test tests::test_stdev ... ok
[INFO] [stdout] test tests::test_sum_i32_slice ... ok
[INFO] [stdout] test tests::test_tests ... ok
[INFO] [stderr]    Doc-tests ezlib
[INFO] [stdout] test tests::test_free_list_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db16afab47eaa800d89b03915c313bfb91c53c9379c396bdd421a40f565211d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db16afab47eaa800d89b03915c313bfb91c53c9379c396bdd421a40f565211d4", kill_on_drop: false }`
[INFO] [stdout] db16afab47eaa800d89b03915c313bfb91c53c9379c396bdd421a40f565211d4