[INFO] fetching crate crom 0.3.0...
[INFO] testing crom-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate crom 0.3.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate crom 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crom 0.3.0
[INFO] finished tweaking crates.io crate crom 0.3.0
[INFO] tweaked toml for crates.io crate crom 0.3.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate crom 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hkdf v0.9.0
[INFO] [stderr]   Downloaded ghash v0.3.0
[INFO] [stderr]   Downloaded polyval v0.4.0
[INFO] [stderr]   Downloaded generic-array v0.14.3
[INFO] [stderr]   Downloaded data-encoding v2.2.1
[INFO] [stderr]   Downloaded graphql_query_derive v0.9.0
[INFO] [stderr]   Downloaded aesni v0.7.0
[INFO] [stderr]   Downloaded graphql-introspection-query v0.1.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.9.0
[INFO] [stderr]   Downloaded graphql_client v0.9.0
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.6
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded http-client v3.0.0
[INFO] [stderr]   Downloaded event-listener v2.3.3
[INFO] [stderr]   Downloaded http-types v2.4.0
[INFO] [stderr]   Downloaded curl-sys v0.4.34+curl-7.71.1
[INFO] [stderr]   Downloaded aes-soft v0.4.0
[INFO] [stderr]   Downloaded block-cipher v0.7.1
[INFO] [stderr]   Downloaded async-h1 v2.1.2
[INFO] [stderr]   Downloaded aes v0.4.0
[INFO] [stderr]   Downloaded isahc v0.9.7
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.4
[INFO] [stderr]   Downloaded aes-gcm v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95126db254ed89f9c5ffca8f4862d11f091d4a00bc2d1a27108ccac0022d6edf
[INFO] running `Command { std: "docker" "start" "-a" "95126db254ed89f9c5ffca8f4862d11f091d4a00bc2d1a27108ccac0022d6edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95126db254ed89f9c5ffca8f4862d11f091d4a00bc2d1a27108ccac0022d6edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95126db254ed89f9c5ffca8f4862d11f091d4a00bc2d1a27108ccac0022d6edf", kill_on_drop: false }`
[INFO] [stdout] 95126db254ed89f9c5ffca8f4862d11f091d4a00bc2d1a27108ccac0022d6edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c2563747b4cab5933316ae1b0fe2903c3901b0b3548ee825aaaf5b866749d9c
[INFO] running `Command { std: "docker" "start" "-a" "7c2563747b4cab5933316ae1b0fe2903c3901b0b3548ee825aaaf5b866749d9c", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling infer v0.1.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling isahc v0.9.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.13
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr] error: could not compile `version_check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name version_check /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version_check-0.9.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=12641b95dce406d4 -C extra-filename=-12641b95dce406d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "7c2563747b4cab5933316ae1b0fe2903c3901b0b3548ee825aaaf5b866749d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2563747b4cab5933316ae1b0fe2903c3901b0b3548ee825aaaf5b866749d9c", kill_on_drop: false }`
[INFO] [stdout] 7c2563747b4cab5933316ae1b0fe2903c3901b0b3548ee825aaaf5b866749d9c