[INFO] fetching crate uu_tee 0.0.6...
[INFO] testing uu_tee-0.0.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate uu_tee 0.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate uu_tee 0.0.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_tee 0.0.6
[INFO] finished tweaking crates.io crate uu_tee 0.0.6
[INFO] tweaked toml for crates.io crate uu_tee 0.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate uu_tee 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded retain_mut v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ea1d32b5a1d371e1593b1ab9d276377c94bfa412cd81c96d56db1a1304243e3
[INFO] running `Command { std: "docker" "start" "-a" "0ea1d32b5a1d371e1593b1ab9d276377c94bfa412cd81c96d56db1a1304243e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea1d32b5a1d371e1593b1ab9d276377c94bfa412cd81c96d56db1a1304243e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea1d32b5a1d371e1593b1ab9d276377c94bfa412cd81c96d56db1a1304243e3", kill_on_drop: false }`
[INFO] [stdout] 0ea1d32b5a1d371e1593b1ab9d276377c94bfa412cd81c96d56db1a1304243e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af90d5237912abae424b1daa19b0a55e3797a1ff418bd58e5527b1b501e233b5
[INFO] running `Command { std: "docker" "start" "-a" "af90d5237912abae424b1daa19b0a55e3797a1ff418bd58e5527b1b501e233b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling retain_mut v0.1.2
[INFO] [stderr]    Compiling uucore v0.0.8
[INFO] [stderr]    Compiling uu_tee v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "af90d5237912abae424b1daa19b0a55e3797a1ff418bd58e5527b1b501e233b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af90d5237912abae424b1daa19b0a55e3797a1ff418bd58e5527b1b501e233b5", kill_on_drop: false }`
[INFO] [stdout] af90d5237912abae424b1daa19b0a55e3797a1ff418bd58e5527b1b501e233b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab75df81a2c8b91865af0866e7fc76cc5a20b661675da2c2915e22bd35b60fe
[INFO] running `Command { std: "docker" "start" "-a" "0ab75df81a2c8b91865af0866e7fc76cc5a20b661675da2c2915e22bd35b60fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_tee v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0ab75df81a2c8b91865af0866e7fc76cc5a20b661675da2c2915e22bd35b60fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab75df81a2c8b91865af0866e7fc76cc5a20b661675da2c2915e22bd35b60fe", kill_on_drop: false }`
[INFO] [stdout] 0ab75df81a2c8b91865af0866e7fc76cc5a20b661675da2c2915e22bd35b60fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2a77fad48526abc4122895f073f7ff38f907be2c326aa31ec0b104ca9f1f34f
[INFO] running `Command { std: "docker" "start" "-a" "e2a77fad48526abc4122895f073f7ff38f907be2c326aa31ec0b104ca9f1f34f", 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_tee-40b52a36135ab5f2)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tee-ba94aabe62c4183e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uu_tee
[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" "e2a77fad48526abc4122895f073f7ff38f907be2c326aa31ec0b104ca9f1f34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a77fad48526abc4122895f073f7ff38f907be2c326aa31ec0b104ca9f1f34f", kill_on_drop: false }`
[INFO] [stdout] e2a77fad48526abc4122895f073f7ff38f907be2c326aa31ec0b104ca9f1f34f