[INFO] fetching crate otter-api-tests 0.7.3...
[INFO] checking otter-api-tests-0.7.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate otter-api-tests 0.7.3 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate otter-api-tests 0.7.3 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 otter-api-tests 0.7.3
[INFO] finished tweaking crates.io crate otter-api-tests 0.7.3
[INFO] tweaked toml for crates.io crate otter-api-tests 0.7.3 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate otter-api-tests 0.7.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] bf61d831b5456ea63fdefd2834d9c11eec6d1080bfd6212df133e9719d3a2e6a
[INFO] running `Command { std: "docker" "start" "-a" "bf61d831b5456ea63fdefd2834d9c11eec6d1080bfd6212df133e9719d3a2e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf61d831b5456ea63fdefd2834d9c11eec6d1080bfd6212df133e9719d3a2e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf61d831b5456ea63fdefd2834d9c11eec6d1080bfd6212df133e9719d3a2e6a", kill_on_drop: false }`
[INFO] [stdout] bf61d831b5456ea63fdefd2834d9c11eec6d1080bfd6212df133e9719d3a2e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] f67a0c4c1192f5c4923d6bf23abbdb31142cc4f2fd1cc8f85aa3ca552adb8991
[INFO] running `Command { std: "docker" "start" "-a" "f67a0c4c1192f5c4923d6bf23abbdb31142cc4f2fd1cc8f85aa3ca552adb8991", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking lazy-init v0.5.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking vecdeque-stableix v1.0.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.69/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=e1cad49e2af5acfa -C extra-filename=-e1cad49e2af5acfa --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" "f67a0c4c1192f5c4923d6bf23abbdb31142cc4f2fd1cc8f85aa3ca552adb8991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67a0c4c1192f5c4923d6bf23abbdb31142cc4f2fd1cc8f85aa3ca552adb8991", kill_on_drop: false }`
[INFO] [stdout] f67a0c4c1192f5c4923d6bf23abbdb31142cc4f2fd1cc8f85aa3ca552adb8991
