[INFO] fetching crate log_err 1.1.1...
[INFO] testing log_err-1.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate log_err 1.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate log_err 1.1.1
[INFO] finished tweaking crates.io crate log_err 1.1.1
[INFO] tweaked toml for crates.io crate log_err 1.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate log_err 1.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding simplelog v0.10.2 (available: v0.12.2)
[INFO] [stderr]       Adding termcolor v1.1.3 (available: v1.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8190bc5be7e1c14b4c47b0027ff2a970134b74d2d0abdf808e4a9c05fc474c28
[INFO] running `Command { std: "docker" "start" "-a" "8190bc5be7e1c14b4c47b0027ff2a970134b74d2d0abdf808e4a9c05fc474c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8190bc5be7e1c14b4c47b0027ff2a970134b74d2d0abdf808e4a9c05fc474c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8190bc5be7e1c14b4c47b0027ff2a970134b74d2d0abdf808e4a9c05fc474c28", kill_on_drop: false }`
[INFO] [stdout] 8190bc5be7e1c14b4c47b0027ff2a970134b74d2d0abdf808e4a9c05fc474c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b0aaac08f32c2030ee7e496dcd437727c8b57e080bc32043549d1a15fc0651a
[INFO] running `Command { std: "docker" "start" "-a" "4b0aaac08f32c2030ee7e496dcd437727c8b57e080bc32043549d1a15fc0651a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling log_err v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4b0aaac08f32c2030ee7e496dcd437727c8b57e080bc32043549d1a15fc0651a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0aaac08f32c2030ee7e496dcd437727c8b57e080bc32043549d1a15fc0651a", kill_on_drop: false }`
[INFO] [stdout] 4b0aaac08f32c2030ee7e496dcd437727c8b57e080bc32043549d1a15fc0651a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae2d0796af9d1d2df86d68af56078890051fa2b6e6cb353afd3b196eff77a6c
[INFO] running `Command { std: "docker" "start" "-a" "6ae2d0796af9d1d2df86d68af56078890051fa2b6e6cb353afd3b196eff77a6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling simplelog v0.10.2
[INFO] [stderr]    Compiling log_err v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "6ae2d0796af9d1d2df86d68af56078890051fa2b6e6cb353afd3b196eff77a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae2d0796af9d1d2df86d68af56078890051fa2b6e6cb353afd3b196eff77a6c", kill_on_drop: false }`
[INFO] [stdout] 6ae2d0796af9d1d2df86d68af56078890051fa2b6e6cb353afd3b196eff77a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e434b8323022ef2418bd5f69d5e8ecca1ee3fe39910d9e252e90f9cc3f46e6f5
[INFO] running `Command { std: "docker" "start" "-a" "e434b8323022ef2418bd5f69d5e8ecca1ee3fe39910d9e252e90f9cc3f46e6f5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_err-6cbd34d7c0405ae8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] 01:54:23 [ERROR] called `Result::unwrap()` on an `Err` value: "a wild error has appeared!"
[INFO] [stderr] 01:54:23 [ERROR] A wild error SHOULD appear
[INFO] [stderr] 01:54:23 [ERROR] called `Option::unwrap()` on a `None` value
[INFO] [stdout] test test::test_log_unwrap - should panic ... ok
[INFO] [stdout] test test::test_option_log_expect - should panic ... ok
[INFO] [stdout] test test::test_option_log_unwrap - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log_err
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e434b8323022ef2418bd5f69d5e8ecca1ee3fe39910d9e252e90f9cc3f46e6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e434b8323022ef2418bd5f69d5e8ecca1ee3fe39910d9e252e90f9cc3f46e6f5", kill_on_drop: false }`
[INFO] [stdout] e434b8323022ef2418bd5f69d5e8ecca1ee3fe39910d9e252e90f9cc3f46e6f5