[INFO] fetching crate somm_gorc 0.1.1...
[INFO] testing somm_gorc-0.1.1 against 1.55.0 for beta-1.56-2
[INFO] extracting crate somm_gorc 0.1.1 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate somm_gorc 0.1.1 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 somm_gorc 0.1.1
[INFO] finished tweaking crates.io crate somm_gorc 0.1.1
[INFO] tweaked toml for crates.io crate somm_gorc 0.1.1 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate somm_gorc 0.1.1 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pem-rfc7468 v0.2.0
[INFO] [stderr]   Downloaded abscissa_tokio v0.6.0-pre.2
[INFO] [stderr]   Downloaded crypto-bigint v0.2.4
[INFO] [stderr]   Downloaded signatory v0.23.2
[INFO] [stderr]   Downloaded abscissa_core v0.6.0-pre.1
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded bip32 v0.2.1
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded somm_orchestrator v0.1.1
[INFO] [stderr]   Downloaded hkd32 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] e20939b76c12dc62068158b54b5584edd7ebc5e840fffcfc7cba56641004c6d2
[INFO] running `Command { std: "docker" "start" "-a" "e20939b76c12dc62068158b54b5584edd7ebc5e840fffcfc7cba56641004c6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20939b76c12dc62068158b54b5584edd7ebc5e840fffcfc7cba56641004c6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20939b76c12dc62068158b54b5584edd7ebc5e840fffcfc7cba56641004c6d2", kill_on_drop: false }`
[INFO] [stdout] e20939b76c12dc62068158b54b5584edd7ebc5e840fffcfc7cba56641004c6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02735879d1099112742954eceda3460b43c79bde470d22ab3943e7ccc1574b3
[INFO] running `Command { std: "docker" "start" "-a" "d02735879d1099112742954eceda3460b43c79bde470d22ab3943e7ccc1574b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling tokio-openssl v0.6.2
[INFO] [stderr]    Compiling local-waker v0.1.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling const-oid v0.6.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling arc-swap v1.3.1
[INFO] [stderr]    Compiling canonical-path v2.0.2
[INFO] [stderr]    Compiling fs-err v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling object v0.26.1
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rpassword v5.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr] error: could not compile `sharded-slab`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sharded_slab --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sharded-slab-0.1.3/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 -C metadata=60db3eaf12b4a77c -C extra-filename=-60db3eaf12b4a77c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --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" "d02735879d1099112742954eceda3460b43c79bde470d22ab3943e7ccc1574b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02735879d1099112742954eceda3460b43c79bde470d22ab3943e7ccc1574b3", kill_on_drop: false }`
[INFO] [stdout] d02735879d1099112742954eceda3460b43c79bde470d22ab3943e7ccc1574b3