[INFO] fetching crate fibers_transport 0.1.3...
[INFO] checking fibers_transport-0.1.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate fibers_transport 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fibers_transport 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fibers_transport 0.1.3
[INFO] finished tweaking crates.io crate fibers_transport 0.1.3
[INFO] tweaked toml for crates.io crate fibers_transport 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b1c80b7c3f213c08d64d5504da581c4a79f271b86c3b659980c40502f111563
[INFO] running `Command { std: "docker" "start" "-a" "9b1c80b7c3f213c08d64d5504da581c4a79f271b86c3b659980c40502f111563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1c80b7c3f213c08d64d5504da581c4a79f271b86c3b659980c40502f111563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1c80b7c3f213c08d64d5504da581c4a79f271b86c3b659980c40502f111563", kill_on_drop: false }`
[INFO] [stdout] 9b1c80b7c3f213c08d64d5504da581c4a79f271b86c3b659980c40502f111563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce01ef61e71c3b53beb41686559af6c2a1f12142d1360bb66d144e1aed1420b3
[INFO] running `Command { std: "docker" "start" "-a" "ce01ef61e71c3b53beb41686559af6c2a1f12142d1360bb66d144e1aed1420b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking fibers_global v0.1.2
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking fibers_transport v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.27s
[INFO] running `Command { std: "docker" "inspect" "ce01ef61e71c3b53beb41686559af6c2a1f12142d1360bb66d144e1aed1420b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce01ef61e71c3b53beb41686559af6c2a1f12142d1360bb66d144e1aed1420b3", kill_on_drop: false }`
[INFO] [stdout] ce01ef61e71c3b53beb41686559af6c2a1f12142d1360bb66d144e1aed1420b3
