[INFO] fetching crate polyhorn-ios 0.4.0...
[INFO] checking polyhorn-ios-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate polyhorn-ios 0.4.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate polyhorn-ios 0.4.0 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 polyhorn-ios 0.4.0
[INFO] finished tweaking crates.io crate polyhorn-ios 0.4.0
[INFO] tweaked toml for crates.io crate polyhorn-ios 0.4.0 written to /workspace/builds/worker-98/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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 30c0f9e748efadcf822bc7a36e7a66654cae8328f4fa4df222c86a5e5208200f
[INFO] running `Command { std: "docker" "start" "-a" "30c0f9e748efadcf822bc7a36e7a66654cae8328f4fa4df222c86a5e5208200f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c0f9e748efadcf822bc7a36e7a66654cae8328f4fa4df222c86a5e5208200f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c0f9e748efadcf822bc7a36e7a66654cae8328f4fa4df222c86a5e5208200f", kill_on_drop: false }`
[INFO] [stdout] 30c0f9e748efadcf822bc7a36e7a66654cae8328f4fa4df222c86a5e5208200f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 5802c5aabb86004553d156ccd5ff58091076e5e100a480d9ec7bc26dc566de9a
[INFO] running `Command { std: "docker" "start" "-a" "5802c5aabb86004553d156ccd5ff58091076e5e100a480d9ec7bc26dc566de9a", 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 syn v1.0.80
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking dispatch v0.2.0
[INFO] [stderr]     Checking as-any v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr] error: could not compile `num-traits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_traits /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=7b6445d372d84407 -C extra-filename=-7b6445d372d84407 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --cfg has_i128 --cfg has_to_int_unchecked` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5802c5aabb86004553d156ccd5ff58091076e5e100a480d9ec7bc26dc566de9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5802c5aabb86004553d156ccd5ff58091076e5e100a480d9ec7bc26dc566de9a", kill_on_drop: false }`
[INFO] [stdout] 5802c5aabb86004553d156ccd5ff58091076e5e100a480d9ec7bc26dc566de9a
