[INFO] fetching crate log_err 1.1.1...
[INFO] testing log_err-1.1.1 against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] extracting crate log_err 1.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate log_err 1.1.1 on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b28ffdee3f19292927ac2354764e5c07619e335d0d1ad1dc925b560056ab45dc
[INFO] running `Command { std: "docker" "start" "-a" "b28ffdee3f19292927ac2354764e5c07619e335d0d1ad1dc925b560056ab45dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28ffdee3f19292927ac2354764e5c07619e335d0d1ad1dc925b560056ab45dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28ffdee3f19292927ac2354764e5c07619e335d0d1ad1dc925b560056ab45dc", kill_on_drop: false }`
[INFO] [stdout] b28ffdee3f19292927ac2354764e5c07619e335d0d1ad1dc925b560056ab45dc
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a0b464f369aebce4f2dc59c992eec9aa570ff07f2a3255a0af0873dd31b53a3
[INFO] running `Command { std: "docker" "start" "-a" "5a0b464f369aebce4f2dc59c992eec9aa570ff07f2a3255a0af0873dd31b53a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling log_err v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5a0b464f369aebce4f2dc59c992eec9aa570ff07f2a3255a0af0873dd31b53a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0b464f369aebce4f2dc59c992eec9aa570ff07f2a3255a0af0873dd31b53a3", kill_on_drop: false }`
[INFO] [stdout] 5a0b464f369aebce4f2dc59c992eec9aa570ff07f2a3255a0af0873dd31b53a3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 045148cd3d205d28d63d3ba107d9852464c3c2b472f01d0453c20cc617903c11
[INFO] running `Command { std: "docker" "start" "-a" "045148cd3d205d28d63d3ba107d9852464c3c2b472f01d0453c20cc617903c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling chrono v0.4.34
[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 3.23s
[INFO] running `Command { std: "docker" "inspect" "045148cd3d205d28d63d3ba107d9852464c3c2b472f01d0453c20cc617903c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045148cd3d205d28d63d3ba107d9852464c3c2b472f01d0453c20cc617903c11", kill_on_drop: false }`
[INFO] [stdout] 045148cd3d205d28d63d3ba107d9852464c3c2b472f01d0453c20cc617903c11
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61c5f5466ef46ac9d0bfd573d4d7b4e6b103a2ae6abc5c87868b697c4d659c21
[INFO] running `Command { std: "docker" "start" "-a" "61c5f5466ef46ac9d0bfd573d4d7b4e6b103a2ae6abc5c87868b697c4d659c21", 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-4c7138209e02c67b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] 00:27:35 [ERROR] A wild error SHOULD appear
[INFO] [stderr] 00:27:35 [ERROR] called `Option::unwrap()` on a `None` value
[INFO] [stderr] 00:27:35 [ERROR] called `Result::unwrap()` on an `Err` value: "a wild error has appeared!"
[INFO] [stdout] test test::test_option_log_expect - should panic ... ok
[INFO] [stdout] test test::test_option_log_unwrap - should panic ... ok
[INFO] [stdout] test test::test_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 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 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61c5f5466ef46ac9d0bfd573d4d7b4e6b103a2ae6abc5c87868b697c4d659c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c5f5466ef46ac9d0bfd573d4d7b4e6b103a2ae6abc5c87868b697c4d659c21", kill_on_drop: false }`
[INFO] [stdout] 61c5f5466ef46ac9d0bfd573d4d7b4e6b103a2ae6abc5c87868b697c4d659c21