[INFO] fetching crate flowstdlib 0.36.0...
[INFO] checking flowstdlib-0.36.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate flowstdlib 0.36.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate flowstdlib 0.36.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-99/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeda3ea157e5a332754476dcae8eee2c85eee7bc8c3672425a9c20e66d31c1f9
[INFO] running `Command { std: "docker" "start" "-a" "aeda3ea157e5a332754476dcae8eee2c85eee7bc8c3672425a9c20e66d31c1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeda3ea157e5a332754476dcae8eee2c85eee7bc8c3672425a9c20e66d31c1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeda3ea157e5a332754476dcae8eee2c85eee7bc8c3672425a9c20e66d31c1f9", kill_on_drop: false }`
[INFO] [stdout] aeda3ea157e5a332754476dcae8eee2c85eee7bc8c3672425a9c20e66d31c1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=forbid" "-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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a6c25d2d48ea70ed960bcbebaac2bc5bbb0d794bbf92f4e0ce840e4df686ae
[INFO] running `Command { std: "docker" "start" "-a" "81a6c25d2d48ea70ed960bcbebaac2bc5bbb0d794bbf92f4e0ce840e4df686ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[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]     Checking object v0.25.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling flow_impl_derive v0.34.7
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking url v2.2.2
[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-dcf93fb3049ee0b2/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" "81a6c25d2d48ea70ed960bcbebaac2bc5bbb0d794bbf92f4e0ce840e4df686ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a6c25d2d48ea70ed960bcbebaac2bc5bbb0d794bbf92f4e0ce840e4df686ae", kill_on_drop: false }`
[INFO] [stdout] 81a6c25d2d48ea70ed960bcbebaac2bc5bbb0d794bbf92f4e0ce840e4df686ae