[INFO] fetching crate flowstdlib 0.36.0...
[INFO] checking flowstdlib-0.36.0 against beta-2021-10-15 for beta-1.56-3
[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 beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simpath v2.3.0
[INFO] [stderr]   Downloaded flowcore v0.36.0
[INFO] [stderr]   Downloaded flow_impl_derive v0.34.7
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe8dafa68f3747d69506e67a26252bd5701c8226a85aa4ee78521d38eca22e3
[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" "6fe8dafa68f3747d69506e67a26252bd5701c8226a85aa4ee78521d38eca22e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe8dafa68f3747d69506e67a26252bd5701c8226a85aa4ee78521d38eca22e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe8dafa68f3747d69506e67a26252bd5701c8226a85aa4ee78521d38eca22e3", kill_on_drop: false }`
[INFO] [stdout] 6fe8dafa68f3747d69506e67a26252bd5701c8226a85aa4ee78521d38eca22e3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37bccd7fb4e72192fc5b7ba83fc7f2d3d8785bf8e9d9cef71a7ac065cba6197d
[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" "37bccd7fb4e72192fc5b7ba83fc7f2d3d8785bf8e9d9cef71a7ac065cba6197d", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling flow_impl_derive v0.34.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking simpath v2.3.0
[INFO] [stderr]     Checking 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-0aa1b21fa39dc70e/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" "37bccd7fb4e72192fc5b7ba83fc7f2d3d8785bf8e9d9cef71a7ac065cba6197d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bccd7fb4e72192fc5b7ba83fc7f2d3d8785bf8e9d9cef71a7ac065cba6197d", kill_on_drop: false }`
[INFO] [stdout] 37bccd7fb4e72192fc5b7ba83fc7f2d3d8785bf8e9d9cef71a7ac065cba6197d
