[INFO] fetching crate is_utf8 0.1.4...
[INFO] testing is_utf8-0.1.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate is_utf8 0.1.4 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate is_utf8 0.1.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate is_utf8 0.1.4
[INFO] finished tweaking crates.io crate is_utf8 0.1.4
[INFO] tweaked toml for crates.io crate is_utf8 0.1.4 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 359754bb4c68f97fceea1b9dbf8d20f80bb7e4a966a2f974e2d90aea83b5572e
[INFO] running `Command { std: "docker" "start" "-a" "359754bb4c68f97fceea1b9dbf8d20f80bb7e4a966a2f974e2d90aea83b5572e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359754bb4c68f97fceea1b9dbf8d20f80bb7e4a966a2f974e2d90aea83b5572e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359754bb4c68f97fceea1b9dbf8d20f80bb7e4a966a2f974e2d90aea83b5572e", kill_on_drop: false }`
[INFO] [stdout] 359754bb4c68f97fceea1b9dbf8d20f80bb7e4a966a2f974e2d90aea83b5572e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c5d92416dbd86d4d186399eb8a24fcbd2deff326303fb99614881d25bf09cc1
[INFO] running `Command { std: "docker" "start" "-a" "9c5d92416dbd86d4d186399eb8a24fcbd2deff326303fb99614881d25bf09cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_utf8 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9c5d92416dbd86d4d186399eb8a24fcbd2deff326303fb99614881d25bf09cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5d92416dbd86d4d186399eb8a24fcbd2deff326303fb99614881d25bf09cc1", kill_on_drop: false }`
[INFO] [stdout] 9c5d92416dbd86d4d186399eb8a24fcbd2deff326303fb99614881d25bf09cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b495656ad52bfc067069dec0dab0177acf42d634ba005a0749c884c3183b6b18
[INFO] running `Command { std: "docker" "start" "-a" "b495656ad52bfc067069dec0dab0177acf42d634ba005a0749c884c3183b6b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[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 clap v2.33.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling is_utf8 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.79s
[INFO] running `Command { std: "docker" "inspect" "b495656ad52bfc067069dec0dab0177acf42d634ba005a0749c884c3183b6b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b495656ad52bfc067069dec0dab0177acf42d634ba005a0749c884c3183b6b18", kill_on_drop: false }`
[INFO] [stdout] b495656ad52bfc067069dec0dab0177acf42d634ba005a0749c884c3183b6b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 260ec4978574fbec584d6662462007a52181d881aca3aa8dee68f61829a5a282
[INFO] running `Command { std: "docker" "start" "-a" "260ec4978574fbec584d6662462007a52181d881aca3aa8dee68f61829a5a282", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/is_utf8-d8fcd0f4b8342933)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests is_utf8
[INFO] [stdout] test tests::test_libcore ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "260ec4978574fbec584d6662462007a52181d881aca3aa8dee68f61829a5a282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260ec4978574fbec584d6662462007a52181d881aca3aa8dee68f61829a5a282", kill_on_drop: false }`
[INFO] [stdout] 260ec4978574fbec584d6662462007a52181d881aca3aa8dee68f61829a5a282
