[INFO] cloning repository https://github.com/mattbettcher/kb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattbettcher/kb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattbettcher%2Fkb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattbettcher%2Fkb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b374f1c27c7d824123867128dace25e070f7e0
[INFO] checking mattbettcher/kb against try#42d1facfffa1a5357d6d62815f7be91f8ad69ed8 for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattbettcher%2Fkb" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattbettcher/kb on toolchain 42d1facfffa1a5357d6d62815f7be91f8ad69ed8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattbettcher/kb
[INFO] finished tweaking git repo https://github.com/mattbettcher/kb
[INFO] tweaked toml for git repo https://github.com/mattbettcher/kb written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/mattbettcher/kb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7182c6fa5782734f806cde79454b84d5a46c1debfbde3454a3ef86452f012d08
[INFO] running `Command { std: "docker" "start" "-a" "7182c6fa5782734f806cde79454b84d5a46c1debfbde3454a3ef86452f012d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7182c6fa5782734f806cde79454b84d5a46c1debfbde3454a3ef86452f012d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7182c6fa5782734f806cde79454b84d5a46c1debfbde3454a3ef86452f012d08", kill_on_drop: false }`
[INFO] [stdout] 7182c6fa5782734f806cde79454b84d5a46c1debfbde3454a3ef86452f012d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de36049706fe8319172984f290a1827ee95ea38b77bc5284e9710e84aa827c6d
[INFO] running `Command { std: "docker" "start" "-a" "de36049706fe8319172984f290a1827ee95ea38b77bc5284e9710e84aa827c6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr] error: could not compile `lalrpop`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lalrpop /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.19.6/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="lexer"' --cfg 'feature="pico-args"' -C metadata=c21403f89d96708c -C extra-filename=-c21403f89d96708c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-492026086be956a1.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-513348f39936171e.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-ae67966752c952a3.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-bd60e7e6842a1963.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-c186fbe8f1785cfa.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fac9230649873cd7.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-f42b21f414a8b1dd.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-1a407739de159f2a.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-bcd6aed9be57c227.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f8e650a70feede2b.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-6becc90d141d99ee.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-95700628ab739b91.rmeta --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-4bf2471072bf0fa0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f7978d42063811c1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "de36049706fe8319172984f290a1827ee95ea38b77bc5284e9710e84aa827c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de36049706fe8319172984f290a1827ee95ea38b77bc5284e9710e84aa827c6d", kill_on_drop: false }`
[INFO] [stdout] de36049706fe8319172984f290a1827ee95ea38b77bc5284e9710e84aa827c6d