[INFO] fetching crate polyhorn-layout 0.2.0...
[INFO] testing polyhorn-layout-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate polyhorn-layout 0.2.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate polyhorn-layout 0.2.0 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 polyhorn-layout 0.2.0
[INFO] finished tweaking crates.io crate polyhorn-layout 0.2.0
[INFO] tweaked toml for crates.io crate polyhorn-layout 0.2.0 written to /workspace/builds/worker-100/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]  Downloading crates ...
[INFO] [stderr]   Downloaded polyhorn-ui v0.2.0
[INFO] [stderr]   Downloaded polyhorn-core v0.2.0
[INFO] [stderr]   Downloaded casco v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 0ae3c09a04b6c44db985dface024c3dab48703c658c7febf113934c31172bf9d
[INFO] running `Command { std: "docker" "start" "-a" "0ae3c09a04b6c44db985dface024c3dab48703c658c7febf113934c31172bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae3c09a04b6c44db985dface024c3dab48703c658c7febf113934c31172bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae3c09a04b6c44db985dface024c3dab48703c658c7febf113934c31172bf9d", kill_on_drop: false }`
[INFO] [stdout] 0ae3c09a04b6c44db985dface024c3dab48703c658c7febf113934c31172bf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] a2b673501791d9dec71edf169e90dcd96ecae583504433f8503a82183448bbb9
[INFO] running `Command { std: "docker" "start" "-a" "a2b673501791d9dec71edf169e90dcd96ecae583504433f8503a82183448bbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling polyhorn-core v0.2.0
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.4
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling casco v0.2.0
[INFO] [stderr]    Compiling polyhorn-ui v0.2.0
[INFO] [stderr]    Compiling polyhorn-layout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.13s
[INFO] running `Command { std: "docker" "inspect" "a2b673501791d9dec71edf169e90dcd96ecae583504433f8503a82183448bbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b673501791d9dec71edf169e90dcd96ecae583504433f8503a82183448bbb9", kill_on_drop: false }`
[INFO] [stdout] a2b673501791d9dec71edf169e90dcd96ecae583504433f8503a82183448bbb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 3b0060992437530cc0bf566f848c197bc6ce3977496cb9f125db3b2949bde94b
[INFO] running `Command { std: "docker" "start" "-a" "3b0060992437530cc0bf566f848c197bc6ce3977496cb9f125db3b2949bde94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyhorn-layout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "3b0060992437530cc0bf566f848c197bc6ce3977496cb9f125db3b2949bde94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0060992437530cc0bf566f848c197bc6ce3977496cb9f125db3b2949bde94b", kill_on_drop: false }`
[INFO] [stdout] 3b0060992437530cc0bf566f848c197bc6ce3977496cb9f125db3b2949bde94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] b92178c5367aa09b8af904a001adba9d23d3c08dab4dc46ef2453f466c950e9b
[INFO] running `Command { std: "docker" "start" "-a" "b92178c5367aa09b8af904a001adba9d23d3c08dab4dc46ef2453f466c950e9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyhorn_layout-2bb008d2853644fe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polyhorn-layout
[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] [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" "b92178c5367aa09b8af904a001adba9d23d3c08dab4dc46ef2453f466c950e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92178c5367aa09b8af904a001adba9d23d3c08dab4dc46ef2453f466c950e9b", kill_on_drop: false }`
[INFO] [stdout] b92178c5367aa09b8af904a001adba9d23d3c08dab4dc46ef2453f466c950e9b