[INFO] fetching crate uu_tac 0.0.6...
[INFO] testing uu_tac-0.0.6 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate uu_tac 0.0.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate uu_tac 0.0.6 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_tac 0.0.6
[INFO] finished tweaking crates.io crate uu_tac 0.0.6
[INFO] tweaked toml for crates.io crate uu_tac 0.0.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate uu_tac 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b64eb9f2b944654e3862200c77c672d08c057f1834fad41d40223ba0e7503d6
[INFO] running `Command { std: "docker" "start" "-a" "5b64eb9f2b944654e3862200c77c672d08c057f1834fad41d40223ba0e7503d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b64eb9f2b944654e3862200c77c672d08c057f1834fad41d40223ba0e7503d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b64eb9f2b944654e3862200c77c672d08c057f1834fad41d40223ba0e7503d6", kill_on_drop: false }`
[INFO] [stdout] 5b64eb9f2b944654e3862200c77c672d08c057f1834fad41d40223ba0e7503d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cd3050268744a4fb7d268fc2ebfbc3ebc9c87ab2a73f8add91bfb33626061f
[INFO] running `Command { std: "docker" "start" "-a" "39cd3050268744a4fb7d268fc2ebfbc3ebc9c87ab2a73f8add91bfb33626061f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling uucore v0.0.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uucore_procs v0.0.5
[INFO] [stderr]    Compiling uu_tac v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "39cd3050268744a4fb7d268fc2ebfbc3ebc9c87ab2a73f8add91bfb33626061f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cd3050268744a4fb7d268fc2ebfbc3ebc9c87ab2a73f8add91bfb33626061f", kill_on_drop: false }`
[INFO] [stdout] 39cd3050268744a4fb7d268fc2ebfbc3ebc9c87ab2a73f8add91bfb33626061f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6ca3fa3598018b02ae2b2800bf08518a5d51f901aefe5f2bd21ff8fa132c0c
[INFO] running `Command { std: "docker" "start" "-a" "1b6ca3fa3598018b02ae2b2800bf08518a5d51f901aefe5f2bd21ff8fa132c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_tac v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1b6ca3fa3598018b02ae2b2800bf08518a5d51f901aefe5f2bd21ff8fa132c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6ca3fa3598018b02ae2b2800bf08518a5d51f901aefe5f2bd21ff8fa132c0c", kill_on_drop: false }`
[INFO] [stdout] 1b6ca3fa3598018b02ae2b2800bf08518a5d51f901aefe5f2bd21ff8fa132c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1484e247c2449c789f921e3bbd23694500987ea6d97cbb4033cea78c6fef7a2
[INFO] running `Command { std: "docker" "start" "-a" "e1484e247c2449c789f921e3bbd23694500987ea6d97cbb4033cea78c6fef7a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uu_tac-fa24967a04dd3e9a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tac-3da8485fb19938d6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests uu_tac
[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] [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] [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" "e1484e247c2449c789f921e3bbd23694500987ea6d97cbb4033cea78c6fef7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1484e247c2449c789f921e3bbd23694500987ea6d97cbb4033cea78c6fef7a2", kill_on_drop: false }`
[INFO] [stdout] e1484e247c2449c789f921e3bbd23694500987ea6d97cbb4033cea78c6fef7a2