[INFO] fetching crate bytecount 0.6.2...
[INFO] testing bytecount-0.6.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bytecount 0.6.2 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate bytecount 0.6.2 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 bytecount 0.6.2
[INFO] finished tweaking crates.io crate bytecount 0.6.2
[INFO] tweaked toml for crates.io crate bytecount 0.6.2 written to /workspace/builds/worker-49/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] [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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 822317b12f7b64f1ac9068d3456d0f91d49f0cd5e58547392212d9c5fdd45d88
[INFO] running `Command { std: "docker" "start" "-a" "822317b12f7b64f1ac9068d3456d0f91d49f0cd5e58547392212d9c5fdd45d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822317b12f7b64f1ac9068d3456d0f91d49f0cd5e58547392212d9c5fdd45d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822317b12f7b64f1ac9068d3456d0f91d49f0cd5e58547392212d9c5fdd45d88", kill_on_drop: false }`
[INFO] [stdout] 822317b12f7b64f1ac9068d3456d0f91d49f0cd5e58547392212d9c5fdd45d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 168d51d02901824cf50370d201bcefc2227a41128a2e2cae741b0b39231c23e1
[INFO] running `Command { std: "docker" "start" "-a" "168d51d02901824cf50370d201bcefc2227a41128a2e2cae741b0b39231c23e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "168d51d02901824cf50370d201bcefc2227a41128a2e2cae741b0b39231c23e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168d51d02901824cf50370d201bcefc2227a41128a2e2cae741b0b39231c23e1", kill_on_drop: false }`
[INFO] [stdout] 168d51d02901824cf50370d201bcefc2227a41128a2e2cae741b0b39231c23e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 23992a4f791142a2287971d1e3d7782d16a3ccace71659c20e1984bf0dacbbd2
[INFO] running `Command { std: "docker" "start" "-a" "23992a4f791142a2287971d1e3d7782d16a3ccace71659c20e1984bf0dacbbd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling bytecount v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.52s
[INFO] running `Command { std: "docker" "inspect" "23992a4f791142a2287971d1e3d7782d16a3ccace71659c20e1984bf0dacbbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23992a4f791142a2287971d1e3d7782d16a3ccace71659c20e1984bf0dacbbd2", kill_on_drop: false }`
[INFO] [stdout] 23992a4f791142a2287971d1e3d7782d16a3ccace71659c20e1984bf0dacbbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] dfe47048ae4f7774bd3dfaee0f5d13a11eeca64d3e249415d841760c21b8358e
[INFO] running `Command { std: "docker" "start" "-a" "dfe47048ae4f7774bd3dfaee0f5d13a11eeca64d3e249415d841760c21b8358e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bytecount-279ce9cb5f8a111f)
[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 tests/check.rs (/opt/rustwide/target/debug/deps/check-5fef1409d2cb2df3)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test check_count_overflow ... ok
[INFO] [stdout] test check_count_some ... ok
[INFO] [stdout] test check_num_chars_overflow ... ok
[INFO] [stdout] test check_num_chars_some ... ok
[INFO] [stdout] test check_count_correct ... ok
[INFO] [stdout] test check_num_chars_correct ... ok
[INFO] [stdout] test check_count_large ... ok
[INFO] [stdout] test check_count_large_rand ... ok
[INFO] [stdout] test check_count_overflow_many ... ok
[INFO] [stdout] test check_num_chars_large ... ok
[INFO] [stdout] test check_num_chars_overflow_many ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bytecount
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/naive.rs - naive::naive_count (line 19) ... ok
[INFO] [stdout] test src/naive.rs - naive::naive_num_chars (line 35) ... ok
[INFO] [stdout] test src/naive.rs - naive::naive_count_32 (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - num_chars (line 102) ... ok
[INFO] [stdout] test src/lib.rs - count (line 57) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfe47048ae4f7774bd3dfaee0f5d13a11eeca64d3e249415d841760c21b8358e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe47048ae4f7774bd3dfaee0f5d13a11eeca64d3e249415d841760c21b8358e", kill_on_drop: false }`
[INFO] [stdout] dfe47048ae4f7774bd3dfaee0f5d13a11eeca64d3e249415d841760c21b8358e