[INFO] fetching crate tai-util 0.0.0...
[INFO] testing tai-util-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tai-util 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tai-util 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tai-util 0.0.0
[INFO] finished tweaking crates.io crate tai-util 0.0.0
[INFO] tweaked toml for crates.io crate tai-util 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea164f9f50cafe4cca1bdb293f1a3f4e54393d9b2af1251ae24ad7b998e30b1a
[INFO] running `Command { std: "docker" "start" "-a" "ea164f9f50cafe4cca1bdb293f1a3f4e54393d9b2af1251ae24ad7b998e30b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea164f9f50cafe4cca1bdb293f1a3f4e54393d9b2af1251ae24ad7b998e30b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea164f9f50cafe4cca1bdb293f1a3f4e54393d9b2af1251ae24ad7b998e30b1a", kill_on_drop: false }`
[INFO] [stdout] ea164f9f50cafe4cca1bdb293f1a3f4e54393d9b2af1251ae24ad7b998e30b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 519a885f171616f6ae348a9c206d6ec84e74fef383fffb4952792969e7e54a82
[INFO] running `Command { std: "docker" "start" "-a" "519a885f171616f6ae348a9c206d6ec84e74fef383fffb4952792969e7e54a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling tai-util v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "519a885f171616f6ae348a9c206d6ec84e74fef383fffb4952792969e7e54a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519a885f171616f6ae348a9c206d6ec84e74fef383fffb4952792969e7e54a82", kill_on_drop: false }`
[INFO] [stdout] 519a885f171616f6ae348a9c206d6ec84e74fef383fffb4952792969e7e54a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b745a303bbb9f35c5d5c5acdd73c41e8b89db6dd47de1489cbb053816320a728
[INFO] running `Command { std: "docker" "start" "-a" "b745a303bbb9f35c5d5c5acdd73c41e8b89db6dd47de1489cbb053816320a728", kill_on_drop: false }`
[INFO] [stderr]    Compiling tai-util v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b745a303bbb9f35c5d5c5acdd73c41e8b89db6dd47de1489cbb053816320a728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b745a303bbb9f35c5d5c5acdd73c41e8b89db6dd47de1489cbb053816320a728", kill_on_drop: false }`
[INFO] [stdout] b745a303bbb9f35c5d5c5acdd73c41e8b89db6dd47de1489cbb053816320a728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 376aa4a31b6db3373d76972f95bd6438a95cdb89f7ea6e266b6aead50c73716f
[INFO] running `Command { std: "docker" "start" "-a" "376aa4a31b6db3373d76972f95bd6438a95cdb89f7ea6e266b6aead50c73716f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tai_util-290a1a4ac185e7e2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tai-util
[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" "376aa4a31b6db3373d76972f95bd6438a95cdb89f7ea6e266b6aead50c73716f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376aa4a31b6db3373d76972f95bd6438a95cdb89f7ea6e266b6aead50c73716f", kill_on_drop: false }`
[INFO] [stdout] 376aa4a31b6db3373d76972f95bd6438a95cdb89f7ea6e266b6aead50c73716f