[INFO] fetching crate libp2prs-infoserver 0.3.0...
[INFO] testing libp2prs-infoserver-0.3.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate libp2prs-infoserver 0.3.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate libp2prs-infoserver 0.3.0 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 libp2prs-infoserver 0.3.0
[INFO] finished tweaking crates.io crate libp2prs-infoserver 0.3.0
[INFO] tweaked toml for crates.io crate libp2prs-infoserver 0.3.0 written to /workspace/builds/worker-41/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 0efd4eb596b404325a07464a9d12e4eff388c9b618c4e8c6318452ec83a3f2b0
[INFO] running `Command { std: "docker" "start" "-a" "0efd4eb596b404325a07464a9d12e4eff388c9b618c4e8c6318452ec83a3f2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efd4eb596b404325a07464a9d12e4eff388c9b618c4e8c6318452ec83a3f2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efd4eb596b404325a07464a9d12e4eff388c9b618c4e8c6318452ec83a3f2b0", kill_on_drop: false }`
[INFO] [stdout] 0efd4eb596b404325a07464a9d12e4eff388c9b618c4e8c6318452ec83a3f2b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6164e74843f0ebe18a0d6dfe5bddc8f0e8622d9754a0d5f69263918437748495
[INFO] running `Command { std: "docker" "start" "-a" "6164e74843f0ebe18a0d6dfe5bddc8f0e8622d9754a0d5f69263918437748495", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling unsigned-varint v0.4.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling route-recognizer v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling async-dup v1.2.2
[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-1.0.70/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=e9511925c01f0278 -C extra-filename=-e9511925c01f0278 --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" "6164e74843f0ebe18a0d6dfe5bddc8f0e8622d9754a0d5f69263918437748495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6164e74843f0ebe18a0d6dfe5bddc8f0e8622d9754a0d5f69263918437748495", kill_on_drop: false }`
[INFO] [stdout] 6164e74843f0ebe18a0d6dfe5bddc8f0e8622d9754a0d5f69263918437748495