[INFO] fetching crate uu_stdbuf_libstdbuf 0.8.0...
[INFO] testing uu_stdbuf_libstdbuf-0.8.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate uu_stdbuf_libstdbuf 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate uu_stdbuf_libstdbuf 0.8.0
[INFO] finished tweaking crates.io crate uu_stdbuf_libstdbuf 0.8.0
[INFO] tweaked toml for crates.io crate uu_stdbuf_libstdbuf 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uu_stdbuf_libstdbuf 0.8.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uu_stdbuf_libstdbuf 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtor v0.3.0
[INFO] [stderr]   Downloaded ctor v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 180174c0e81db5f97d83edb0f2d92b031588c263c8a3934e9be4f6b516475ca0
[INFO] running `Command { std: "docker" "start" "-a" "180174c0e81db5f97d83edb0f2d92b031588c263c8a3934e9be4f6b516475ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180174c0e81db5f97d83edb0f2d92b031588c263c8a3934e9be4f6b516475ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180174c0e81db5f97d83edb0f2d92b031588c263c8a3934e9be4f6b516475ca0", kill_on_drop: false }`
[INFO] [stdout] 180174c0e81db5f97d83edb0f2d92b031588c263c8a3934e9be4f6b516475ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d385565417d544c7af594df1149c1e7ace850ffe94aaf9f28ddc078cbac0466d
[INFO] running `Command { std: "docker" "start" "-a" "d385565417d544c7af594df1149c1e7ace850ffe94aaf9f28ddc078cbac0466d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.6
[INFO] [stderr]    Compiling uu_stdbuf_libstdbuf v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.7
[INFO] [stderr]    Compiling dtor v0.3.0
[INFO] [stderr]    Compiling ctor v0.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "d385565417d544c7af594df1149c1e7ace850ffe94aaf9f28ddc078cbac0466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d385565417d544c7af594df1149c1e7ace850ffe94aaf9f28ddc078cbac0466d", kill_on_drop: false }`
[INFO] [stdout] d385565417d544c7af594df1149c1e7ace850ffe94aaf9f28ddc078cbac0466d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557fc98fec2fe57ad0675912b9f66959590b726fc9b7e3e9ed21bfe88c64e64c
[INFO] running `Command { std: "docker" "start" "-a" "557fc98fec2fe57ad0675912b9f66959590b726fc9b7e3e9ed21bfe88c64e64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_stdbuf_libstdbuf v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "557fc98fec2fe57ad0675912b9f66959590b726fc9b7e3e9ed21bfe88c64e64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557fc98fec2fe57ad0675912b9f66959590b726fc9b7e3e9ed21bfe88c64e64c", kill_on_drop: false }`
[INFO] [stdout] 557fc98fec2fe57ad0675912b9f66959590b726fc9b7e3e9ed21bfe88c64e64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25ead0c1a06842326e3e73b1a2f27fa5979878632eee223055031f7156315b16
[INFO] running `Command { std: "docker" "start" "-a" "25ead0c1a06842326e3e73b1a2f27fa5979878632eee223055031f7156315b16", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/libstdbuf.rs (/opt/rustwide/target/debug/deps/stdbuf-d14ae0429301304f)
[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" "25ead0c1a06842326e3e73b1a2f27fa5979878632eee223055031f7156315b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ead0c1a06842326e3e73b1a2f27fa5979878632eee223055031f7156315b16", kill_on_drop: false }`
[INFO] [stdout] 25ead0c1a06842326e3e73b1a2f27fa5979878632eee223055031f7156315b16