[INFO] cloning repository https://github.com/Matthew-Maclean/brick-breaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matthew-Maclean/brick-breaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fbrick-breaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fbrick-breaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 178104fd916cf3fb909b6d21c97d1b5a4568b9ba
[INFO] checking Matthew-Maclean/brick-breaker against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fbrick-breaker" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matthew-Maclean/brick-breaker on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Matthew-Maclean/brick-breaker
[INFO] finished tweaking git repo https://github.com/Matthew-Maclean/brick-breaker
[INFO] tweaked toml for git repo https://github.com/Matthew-Maclean/brick-breaker written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/Matthew-Maclean/brick-breaker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8897f34504fd9290cb03626a3ffcd9a9ab5b8932ea78f56f2804b352abdb7253
[INFO] running `Command { std: "docker" "start" "-a" "8897f34504fd9290cb03626a3ffcd9a9ab5b8932ea78f56f2804b352abdb7253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8897f34504fd9290cb03626a3ffcd9a9ab5b8932ea78f56f2804b352abdb7253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8897f34504fd9290cb03626a3ffcd9a9ab5b8932ea78f56f2804b352abdb7253", kill_on_drop: false }`
[INFO] [stdout] 8897f34504fd9290cb03626a3ffcd9a9ab5b8932ea78f56f2804b352abdb7253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b44f2d9c2f950ac45f89dc8481239eba23c8d0d8c3e1cf2655704cb6feebe4
[INFO] running `Command { std: "docker" "start" "-a" "81b44f2d9c2f950ac45f89dc8481239eba23c8d0d8c3e1cf2655704cb6feebe4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: "libc's use_std cargo feature is deprecated since libc 0.2.55; please consider using the `std` cargo feature instead"
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.66/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' --cfg 'feature="use_std"' -C metadata=ab4cc73bd07a5656 -C extra-filename=-ab4cc73bd07a5656 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg freebsd11 --cfg libc_priv_mod_use --cfg libc_union --cfg libc_const_size_of --cfg libc_align --cfg libc_core_cvoid --cfg libc_packedN` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: "libc's use_std cargo feature is deprecated since libc 0.2.55; please consider using the `std` cargo feature instead"
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81b44f2d9c2f950ac45f89dc8481239eba23c8d0d8c3e1cf2655704cb6feebe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b44f2d9c2f950ac45f89dc8481239eba23c8d0d8c3e1cf2655704cb6feebe4", kill_on_drop: false }`
[INFO] [stdout] 81b44f2d9c2f950ac45f89dc8481239eba23c8d0d8c3e1cf2655704cb6feebe4