[INFO] fetching crate flowstdlib 0.36.0...
[INFO] testing flowstdlib-0.36.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate flowstdlib 0.36.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate flowstdlib 0.36.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowstdlib 0.36.0
[INFO] finished tweaking crates.io crate flowstdlib 0.36.0
[INFO] tweaked toml for crates.io crate flowstdlib 0.36.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate flowstdlib 0.36.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a8d4360d4544242b63a355fc06b30ea6723c7a239de6e89b427e6c0c1f36bdc
[INFO] running `Command { std: "docker" "start" "-a" "9a8d4360d4544242b63a355fc06b30ea6723c7a239de6e89b427e6c0c1f36bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8d4360d4544242b63a355fc06b30ea6723c7a239de6e89b427e6c0c1f36bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8d4360d4544242b63a355fc06b30ea6723c7a239de6e89b427e6c0c1f36bdc", kill_on_drop: false }`
[INFO] [stdout] 9a8d4360d4544242b63a355fc06b30ea6723c7a239de6e89b427e6c0c1f36bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba1620db06752f70ccb52cec85e59a9568bf42b3df22448646f767dc6e1ded6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ba1620db06752f70ccb52cec85e59a9568bf42b3df22448646f767dc6e1ded6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling flow_impl_derive v0.34.7
[INFO] [stderr]    Compiling image v0.23.10
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling simpath v2.3.0
[INFO] [stderr]    Compiling flowcore v0.36.0
[INFO] [stderr]    Compiling flowstdlib v0.36.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `flowstdlib v0.36.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/flowstdlib-9c1df5c5c9b44aca/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "`flowc` could not be found in `$PATH` or `target/`" }
[INFO] running `Command { std: "docker" "inspect" "5ba1620db06752f70ccb52cec85e59a9568bf42b3df22448646f767dc6e1ded6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba1620db06752f70ccb52cec85e59a9568bf42b3df22448646f767dc6e1ded6", kill_on_drop: false }`
[INFO] [stdout] 5ba1620db06752f70ccb52cec85e59a9568bf42b3df22448646f767dc6e1ded6
