[INFO] fetching crate prgrs 0.6.4...
[INFO] testing prgrs-0.6.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate prgrs 0.6.4 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate prgrs 0.6.4 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 prgrs 0.6.4
[INFO] finished tweaking crates.io crate prgrs 0.6.4
[INFO] tweaked toml for crates.io crate prgrs 0.6.4 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate prgrs 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 8b7f7344b0da2fcab6c28166bd43f96f67a46576455eca9acc27a1e00b4e9dd4
[INFO] running `Command { std: "docker" "start" "-a" "8b7f7344b0da2fcab6c28166bd43f96f67a46576455eca9acc27a1e00b4e9dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7f7344b0da2fcab6c28166bd43f96f67a46576455eca9acc27a1e00b4e9dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7f7344b0da2fcab6c28166bd43f96f67a46576455eca9acc27a1e00b4e9dd4", kill_on_drop: false }`
[INFO] [stdout] 8b7f7344b0da2fcab6c28166bd43f96f67a46576455eca9acc27a1e00b4e9dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 94262d735a6cb5ed1021f4b75520bed1d81e354395e06a5d6daaa9ffcbf0de3c
[INFO] running `Command { std: "docker" "start" "-a" "94262d735a6cb5ed1021f4b75520bed1d81e354395e06a5d6daaa9ffcbf0de3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling prgrs v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "94262d735a6cb5ed1021f4b75520bed1d81e354395e06a5d6daaa9ffcbf0de3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94262d735a6cb5ed1021f4b75520bed1d81e354395e06a5d6daaa9ffcbf0de3c", kill_on_drop: false }`
[INFO] [stdout] 94262d735a6cb5ed1021f4b75520bed1d81e354395e06a5d6daaa9ffcbf0de3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 26077fe81032514ba55b6eb61a8262f475e2344b6aca1bb566109346ca517706
[INFO] running `Command { std: "docker" "start" "-a" "26077fe81032514ba55b6eb61a8262f475e2344b6aca1bb566109346ca517706", kill_on_drop: false }`
[INFO] [stderr]    Compiling prgrs v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "26077fe81032514ba55b6eb61a8262f475e2344b6aca1bb566109346ca517706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26077fe81032514ba55b6eb61a8262f475e2344b6aca1bb566109346ca517706", kill_on_drop: false }`
[INFO] [stdout] 26077fe81032514ba55b6eb61a8262f475e2344b6aca1bb566109346ca517706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 30c183543b9cea2db6c4b9fdfb78376c4e4ba8e3ba50db99835d17fe1760bb74
[INFO] running `Command { std: "docker" "start" "-a" "30c183543b9cea2db6c4b9fdfb78376c4e4ba8e3ba50db99835d17fe1760bb74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prgrs-12a3ca4bdd703f97)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_prgrs ... 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 prgrs
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length (line 89) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::new (line 61) ... ok
[INFO] [stdout] test src/lib.rs - writeln (line 198) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length_move (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30c183543b9cea2db6c4b9fdfb78376c4e4ba8e3ba50db99835d17fe1760bb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c183543b9cea2db6c4b9fdfb78376c4e4ba8e3ba50db99835d17fe1760bb74", kill_on_drop: false }`
[INFO] [stdout] 30c183543b9cea2db6c4b9fdfb78376c4e4ba8e3ba50db99835d17fe1760bb74