[INFO] cloning repository https://github.com/alec-brooks/rust-sokoban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alec-brooks/rust-sokoban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c10dd57722a6bc8400c2edd40b112fd34c690c4
[INFO] documenting alec-brooks/rust-sokoban against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alec-brooks/rust-sokoban on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] finished tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] tweaked toml for git repo https://github.com/alec-brooks/rust-sokoban written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/alec-brooks/rust-sokoban already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 derivative v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d7df881d3f74debd65fa03dc29f3070a38dca00238554b4302f15cf9ef2d8b
[INFO] running `Command { std: "docker" "start" "-a" "a5d7df881d3f74debd65fa03dc29f3070a38dca00238554b4302f15cf9ef2d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d7df881d3f74debd65fa03dc29f3070a38dca00238554b4302f15cf9ef2d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d7df881d3f74debd65fa03dc29f3070a38dca00238554b4302f15cf9ef2d8b", kill_on_drop: false }`
[INFO] [stdout] a5d7df881d3f74debd65fa03dc29f3070a38dca00238554b4302f15cf9ef2d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b03a39fad100ea44525019cac871dc1fe3d257623684da69818711ea52a3e1c3
[INFO] running `Command { std: "docker" "start" "-a" "b03a39fad100ea44525019cac871dc1fe3d257623684da69818711ea52a3e1c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=8ab910957bc19e71 -C extra-filename=-8ab910957bc19e71 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow` (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" "b03a39fad100ea44525019cac871dc1fe3d257623684da69818711ea52a3e1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03a39fad100ea44525019cac871dc1fe3d257623684da69818711ea52a3e1c3", kill_on_drop: false }`
[INFO] [stdout] b03a39fad100ea44525019cac871dc1fe3d257623684da69818711ea52a3e1c3
