[INFO] fetching crate bitty 1.0.0...
[INFO] testing bitty-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bitty 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bitty 1.0.0 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 bitty 1.0.0
[INFO] finished tweaking crates.io crate bitty 1.0.0
[INFO] tweaked toml for crates.io crate bitty 1.0.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 534df92c379bb6a26ff40d725bb4f88556ffd6ebe2c7d784777eb05cfdc43676
[INFO] running `Command { std: "docker" "start" "-a" "534df92c379bb6a26ff40d725bb4f88556ffd6ebe2c7d784777eb05cfdc43676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "534df92c379bb6a26ff40d725bb4f88556ffd6ebe2c7d784777eb05cfdc43676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534df92c379bb6a26ff40d725bb4f88556ffd6ebe2c7d784777eb05cfdc43676", kill_on_drop: false }`
[INFO] [stdout] 534df92c379bb6a26ff40d725bb4f88556ffd6ebe2c7d784777eb05cfdc43676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f1d645083689bbd403a40a54ac08078b000546d3cb9aef96378161441090fc52
[INFO] running `Command { std: "docker" "start" "-a" "f1d645083689bbd403a40a54ac08078b000546d3cb9aef96378161441090fc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f1d645083689bbd403a40a54ac08078b000546d3cb9aef96378161441090fc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d645083689bbd403a40a54ac08078b000546d3cb9aef96378161441090fc52", kill_on_drop: false }`
[INFO] [stdout] f1d645083689bbd403a40a54ac08078b000546d3cb9aef96378161441090fc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 752419f3b36467f7f04533682823e13a02fcdb8f46b56a5316bc39332043772c
[INFO] running `Command { std: "docker" "start" "-a" "752419f3b36467f7f04533682823e13a02fcdb8f46b56a5316bc39332043772c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "752419f3b36467f7f04533682823e13a02fcdb8f46b56a5316bc39332043772c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752419f3b36467f7f04533682823e13a02fcdb8f46b56a5316bc39332043772c", kill_on_drop: false }`
[INFO] [stdout] 752419f3b36467f7f04533682823e13a02fcdb8f46b56a5316bc39332043772c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 08c1d260b1359aab6f99aef36be0e714f7bfba0b9924a5b500374273d4597cd3
[INFO] running `Command { std: "docker" "start" "-a" "08c1d260b1359aab6f99aef36be0e714f7bfba0b9924a5b500374273d4597cd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitty-37a7a92ee9ede3ba)
[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]    Doc-tests bitty
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - traits::FromBits::from_bits_unchecked (line 124) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits (line 49) ... ok
[INFO] [stdout] test src/lib.rs - traits::FromBits::from_bits (line 106) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits_until_unchecked (line 84) ... ok
[INFO] [stdout] test src/lib.rs - traits::AsBits::as_bits_until (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08c1d260b1359aab6f99aef36be0e714f7bfba0b9924a5b500374273d4597cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c1d260b1359aab6f99aef36be0e714f7bfba0b9924a5b500374273d4597cd3", kill_on_drop: false }`
[INFO] [stdout] 08c1d260b1359aab6f99aef36be0e714f7bfba0b9924a5b500374273d4597cd3