[INFO] fetching crate lohr 0.4.2...
[INFO] checking lohr-0.4.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate lohr 0.4.2 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate lohr 0.4.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-38/source/rust-toolchain
[INFO] started tweaking crates.io crate lohr 0.4.2
[INFO] finished tweaking crates.io crate lohr 0.4.2
[INFO] tweaked toml for crates.io crate lohr 0.4.2 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate lohr 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0615ee08a738e7717010ee0078111d4e28332a8282a492365924109f46f378fc
[INFO] running `Command { std: "docker" "start" "-a" "0615ee08a738e7717010ee0078111d4e28332a8282a492365924109f46f378fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0615ee08a738e7717010ee0078111d4e28332a8282a492365924109f46f378fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0615ee08a738e7717010ee0078111d4e28332a8282a492365924109f46f378fc", kill_on_drop: false }`
[INFO] [stdout] 0615ee08a738e7717010ee0078111d4e28332a8282a492365924109f46f378fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05afa0b72e3d42ef7911295289690dd4a8657b0f509beb023cfa7e07c2b25e75
[INFO] running `Command { std: "docker" "start" "-a" "05afa0b72e3d42ef7911295289690dd4a8657b0f509beb023cfa7e07c2b25e75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[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 yansi v0.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]     Checking inlinable_string v0.1.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling state v0.5.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling figment v0.10.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr] error: could not compile `proc-macro-nested`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-nested-0.1.7/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=88985cb5edecb519 -C extra-filename=-88985cb5edecb519 --out-dir /opt/rustwide/target/debug/build/proc-macro-nested-88985cb5edecb519 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "05afa0b72e3d42ef7911295289690dd4a8657b0f509beb023cfa7e07c2b25e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05afa0b72e3d42ef7911295289690dd4a8657b0f509beb023cfa7e07c2b25e75", kill_on_drop: false }`
[INFO] [stdout] 05afa0b72e3d42ef7911295289690dd4a8657b0f509beb023cfa7e07c2b25e75