[INFO] fetching crate log_err 1.1.1...
[INFO] testing log_err-1.1.1 against try#36577a2b3cb42b8f23dec84e9203116bad6051e8 for pr-150681-2
[INFO] extracting crate log_err 1.1.1 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log_err 1.1.1 on toolchain 36577a2b3cb42b8f23dec84e9203116bad6051e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "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" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea16710e55ecf88ebc25a145c6f2dca1d5d082a33c6d3b253161e19647b0ce4
[INFO] running `Command { std: "docker" "start" "-a" "7ea16710e55ecf88ebc25a145c6f2dca1d5d082a33c6d3b253161e19647b0ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea16710e55ecf88ebc25a145c6f2dca1d5d082a33c6d3b253161e19647b0ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea16710e55ecf88ebc25a145c6f2dca1d5d082a33c6d3b253161e19647b0ce4", kill_on_drop: false }`
[INFO] [stdout] 7ea16710e55ecf88ebc25a145c6f2dca1d5d082a33c6d3b253161e19647b0ce4
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 076b2f9b65a21f27995fad71a6e93f0d55e346cbb078ef221be95ffea6519331
[INFO] running `Command { std: "docker" "start" "-a" "076b2f9b65a21f27995fad71a6e93f0d55e346cbb078ef221be95ffea6519331", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling log_err v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "076b2f9b65a21f27995fad71a6e93f0d55e346cbb078ef221be95ffea6519331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076b2f9b65a21f27995fad71a6e93f0d55e346cbb078ef221be95ffea6519331", kill_on_drop: false }`
[INFO] [stdout] 076b2f9b65a21f27995fad71a6e93f0d55e346cbb078ef221be95ffea6519331
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f92075f9d8d6d18716c9135736c99554e5fb352ebba6b277d204f89052f88bd
[INFO] running `Command { std: "docker" "start" "-a" "0f92075f9d8d6d18716c9135736c99554e5fb352ebba6b277d204f89052f88bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.43
[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 5.01s
[INFO] running `Command { std: "docker" "inspect" "0f92075f9d8d6d18716c9135736c99554e5fb352ebba6b277d204f89052f88bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f92075f9d8d6d18716c9135736c99554e5fb352ebba6b277d204f89052f88bd", kill_on_drop: false }`
[INFO] [stdout] 0f92075f9d8d6d18716c9135736c99554e5fb352ebba6b277d204f89052f88bd
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a40d82c97dd8b86e8c7d691c82e868b6bf3156c0bd0b7a8d89181ab40185f016
[INFO] running `Command { std: "docker" "start" "-a" "a40d82c97dd8b86e8c7d691c82e868b6bf3156c0bd0b7a8d89181ab40185f016", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_err-184028542fe7741e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] 13:00:25 [ERROR] called `Result::unwrap()` on an `Err` value: "a wild error has appeared!"
[INFO] [stderr] 13:00:25 [ERROR] called `Option::unwrap()` on a `None` value
[INFO] [stderr] 13:00:25 [ERROR] A wild error SHOULD appear
[INFO] [stdout] test test::test_log_unwrap - should panic ... ok
[INFO] [stdout] test test::test_option_log_unwrap - should panic ... ok
[INFO] [stdout] test test::test_option_log_expect - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log_err
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a40d82c97dd8b86e8c7d691c82e868b6bf3156c0bd0b7a8d89181ab40185f016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40d82c97dd8b86e8c7d691c82e868b6bf3156c0bd0b7a8d89181ab40185f016", kill_on_drop: false }`
[INFO] [stdout] a40d82c97dd8b86e8c7d691c82e868b6bf3156c0bd0b7a8d89181ab40185f016