[INFO] fetching crate graviton_frontend 0.6.0...
[INFO] testing graviton_frontend-0.6.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate graviton_frontend 0.6.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate graviton_frontend 0.6.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graviton_frontend 0.6.0
[INFO] finished tweaking crates.io crate graviton_frontend 0.6.0
[INFO] tweaked toml for crates.io crate graviton_frontend 0.6.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d64983d632af76c78e240ff2a10cf53ebbbd7b75ea12a6258d3fa65c967fc1ed
[INFO] running `Command { std: "docker" "start" "-a" "d64983d632af76c78e240ff2a10cf53ebbbd7b75ea12a6258d3fa65c967fc1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64983d632af76c78e240ff2a10cf53ebbbd7b75ea12a6258d3fa65c967fc1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64983d632af76c78e240ff2a10cf53ebbbd7b75ea12a6258d3fa65c967fc1ed", kill_on_drop: false }`
[INFO] [stdout] d64983d632af76c78e240ff2a10cf53ebbbd7b75ea12a6258d3fa65c967fc1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617c80327798763917a48e828e36d6c35b76698d4a03899c962d89fe11b9a8a9
[INFO] running `Command { std: "docker" "start" "-a" "617c80327798763917a48e828e36d6c35b76698d4a03899c962d89fe11b9a8a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling graviton_core v0.6.0
[INFO] [stderr]    Compiling graviton_ast v0.6.0
[INFO] [stderr]    Compiling graviton_frontend v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `Command { std: "docker" "inspect" "617c80327798763917a48e828e36d6c35b76698d4a03899c962d89fe11b9a8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617c80327798763917a48e828e36d6c35b76698d4a03899c962d89fe11b9a8a9", kill_on_drop: false }`
[INFO] [stdout] 617c80327798763917a48e828e36d6c35b76698d4a03899c962d89fe11b9a8a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 610a93a889dc61963f0d0b801f8504cb4a5daf95de6ca5598b877eb47bdfc7a5
[INFO] running `Command { std: "docker" "start" "-a" "610a93a889dc61963f0d0b801f8504cb4a5daf95de6ca5598b877eb47bdfc7a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling graviton_frontend v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "610a93a889dc61963f0d0b801f8504cb4a5daf95de6ca5598b877eb47bdfc7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610a93a889dc61963f0d0b801f8504cb4a5daf95de6ca5598b877eb47bdfc7a5", kill_on_drop: false }`
[INFO] [stdout] 610a93a889dc61963f0d0b801f8504cb4a5daf95de6ca5598b877eb47bdfc7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dc38b9515d07505d0d5ea92b967bfcfac8cf56a31ba56291aae3a2b04bbc512
[INFO] running `Command { std: "docker" "start" "-a" "2dc38b9515d07505d0d5ea92b967bfcfac8cf56a31ba56291aae3a2b04bbc512", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton_frontend-8d8eab325310b6fe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graviton_frontend
[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" "2dc38b9515d07505d0d5ea92b967bfcfac8cf56a31ba56291aae3a2b04bbc512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc38b9515d07505d0d5ea92b967bfcfac8cf56a31ba56291aae3a2b04bbc512", kill_on_drop: false }`
[INFO] [stdout] 2dc38b9515d07505d0d5ea92b967bfcfac8cf56a31ba56291aae3a2b04bbc512