[INFO] cloning repository https://github.com/amhk/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amhk/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famhk%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famhk%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b10348d64dc37476c45bd048ebb0adb5b4a671
[INFO] checking amhk/advent-of-code against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famhk%2Fadvent-of-code" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amhk/advent-of-code on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amhk/advent-of-code
[INFO] finished tweaking git repo https://github.com/amhk/advent-of-code
[INFO] tweaked toml for git repo https://github.com/amhk/advent-of-code written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/amhk/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "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 ascii v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36e42b85a46af0370c9e1c8c3b51cf85cdd036cd89fd986b5318dc0efc2aee66
[INFO] running `Command { std: "docker" "start" "-a" "36e42b85a46af0370c9e1c8c3b51cf85cdd036cd89fd986b5318dc0efc2aee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e42b85a46af0370c9e1c8c3b51cf85cdd036cd89fd986b5318dc0efc2aee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e42b85a46af0370c9e1c8c3b51cf85cdd036cd89fd986b5318dc0efc2aee66", kill_on_drop: false }`
[INFO] [stdout] 36e42b85a46af0370c9e1c8c3b51cf85cdd036cd89fd986b5318dc0efc2aee66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c248b18a0adef12c830c176b8b8df3549822de0f6d51f75db05829deaba2bbf
[INFO] running `Command { std: "docker" "start" "-a" "4c248b18a0adef12c830c176b8b8df3549822de0f6d51f75db05829deaba2bbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking aoc-2015-01 v0.1.0 (/opt/rustwide/workdir/2015/01)
[INFO] [stderr]     Checking aoc-2021-14 v0.1.0 (/opt/rustwide/workdir/2021/14)
[INFO] [stderr]     Checking aoc-2021-12 v0.1.0 (/opt/rustwide/workdir/2021/12)
[INFO] [stderr]     Checking aoc-2020-22 v0.1.0 (/opt/rustwide/workdir/2020/22)
[INFO] [stderr]     Checking aoc-2020-12 v0.1.0 (/opt/rustwide/workdir/2020/12)
[INFO] [stderr]     Checking aoc-2020-10 v0.1.0 (/opt/rustwide/workdir/2020/10)
[INFO] [stderr]     Checking aoc-2020-25 v0.1.0 (/opt/rustwide/workdir/2020/25)
[INFO] [stderr]     Checking aoc-2020-08 v0.1.0 (/opt/rustwide/workdir/2020/08)
[INFO] [stderr]     Checking aoc-2021-11 v0.1.0 (/opt/rustwide/workdir/2021/11)
[INFO] [stderr]     Checking aoc-2021-10 v0.1.0 (/opt/rustwide/workdir/2021/10)
[INFO] [stderr]     Checking aoc-2021-06 v0.1.0 (/opt/rustwide/workdir/2021/06)
[INFO] [stderr]     Checking aoc-2020-09 v0.1.0 (/opt/rustwide/workdir/2020/09)
[INFO] [stderr]     Checking aoc-2021-03 v0.1.0 (/opt/rustwide/workdir/2021/03)
[INFO] [stderr]     Checking aoc-2020-24 v0.1.0 (/opt/rustwide/workdir/2020/24)
[INFO] [stderr]     Checking aoc-2015-14 v0.1.0 (/opt/rustwide/workdir/2015/14)
[INFO] [stderr]     Checking aoc-2021-16 v0.1.0 (/opt/rustwide/workdir/2021/16)
[INFO] [stderr]     Checking aoc-2020-18 v0.1.0 (/opt/rustwide/workdir/2020/18)
[INFO] [stderr]     Checking aoc-2020-13 v0.1.0 (/opt/rustwide/workdir/2020/13)
[INFO] [stderr]     Checking aoc-2021-04 v0.1.0 (/opt/rustwide/workdir/2021/04)
[INFO] [stderr]     Checking aoc-2020-17 v0.1.0 (/opt/rustwide/workdir/2020/17)
[INFO] [stderr]     Checking aoc-2021-21 v0.1.0 (/opt/rustwide/workdir/2021/21)
[INFO] [stderr]     Checking aoc-2020-01 v0.1.0 (/opt/rustwide/workdir/2020/01)
[INFO] [stderr]     Checking aoc-2021-05 v0.1.0 (/opt/rustwide/workdir/2021/05)
[INFO] [stderr]     Checking aoc-2015-19 v0.1.0 (/opt/rustwide/workdir/2015/19)
[INFO] [stderr]     Checking aoc-2021-02 v0.1.0 (/opt/rustwide/workdir/2021/02)
[INFO] [stderr]     Checking aoc-2021-13 v0.1.0 (/opt/rustwide/workdir/2021/13)
[INFO] [stderr]     Checking aoc-2020-23 v0.1.0 (/opt/rustwide/workdir/2020/23)
[INFO] [stderr]     Checking aoc-2020-05 v0.1.0 (/opt/rustwide/workdir/2020/05)
[INFO] [stderr]     Checking aoc-2015-02 v0.1.0 (/opt/rustwide/workdir/2015/02)
[INFO] [stderr]     Checking aoc-2020-20 v0.1.0 (/opt/rustwide/workdir/2020/20)
[INFO] [stderr]     Checking aoc-2020-03 v0.1.0 (/opt/rustwide/workdir/2020/03)
[INFO] [stderr]     Checking aoc-2020-11 v0.1.0 (/opt/rustwide/workdir/2020/11)
[INFO] [stderr]     Checking aoc-2015-10 v0.1.0 (/opt/rustwide/workdir/2015/10)
[INFO] [stderr]     Checking aoc-2021-08 v0.1.0 (/opt/rustwide/workdir/2021/08)
[INFO] [stderr]     Checking aoc-2020-19 v0.1.0 (/opt/rustwide/workdir/2020/19)
[INFO] [stderr]     Checking aoc-2021-18 v0.1.0 (/opt/rustwide/workdir/2021/18)
[INFO] [stderr]     Checking aoc-2015-03 v0.1.0 (/opt/rustwide/workdir/2015/03)
[INFO] [stderr]     Checking aoc-2015-17 v0.1.0 (/opt/rustwide/workdir/2015/17)
[INFO] [stderr]     Checking aoc-2015-08 v0.1.0 (/opt/rustwide/workdir/2015/08)
[INFO] [stderr]     Checking aoc-2021-20 v0.1.0 (/opt/rustwide/workdir/2021/20)
[INFO] [stderr]     Checking aoc-2015-25 v0.1.0 (/opt/rustwide/workdir/2015/25)
[INFO] [stderr]     Checking aoc-2021-09 v0.1.0 (/opt/rustwide/workdir/2021/09)
[INFO] [stderr]     Checking aoc-2015-22 v0.1.0 (/opt/rustwide/workdir/2015/22)
[INFO] [stderr]     Checking aoc-2021-25 v0.1.0 (/opt/rustwide/workdir/2021/25)
[INFO] [stderr]     Checking aoc-2021-07 v0.1.0 (/opt/rustwide/workdir/2021/07)
[INFO] [stderr]     Checking aoc-2021-01 v0.1.0 (/opt/rustwide/workdir/2021/01)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -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: could not compile `ascii`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ascii /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ascii-1.0.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=8df99b3086af4f34 -C extra-filename=-8df99b3086af4f34 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gcc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gcc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/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 -C metadata=5865becc38a854a8 -C extra-filename=-5865becc38a854a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `memchr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name memchr --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/memchr-2.4.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=d022af6da608c734 -C extra-filename=-d022af6da608c734 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg memchr_runtime_simd --cfg memchr_runtime_sse2 --cfg memchr_runtime_sse42 --cfg memchr_runtime_avx` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=6f34013fb813232d -C extra-filename=-6f34013fb813232d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `aoc-2020-20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name aoc_2020_20 --edition=2018 2020/20/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=465df6bf4fdfb0b1 -C extra-filename=-465df6bf4fdfb0b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4c248b18a0adef12c830c176b8b8df3549822de0f6d51f75db05829deaba2bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c248b18a0adef12c830c176b8b8df3549822de0f6d51f75db05829deaba2bbf", kill_on_drop: false }`
[INFO] [stdout] 4c248b18a0adef12c830c176b8b8df3549822de0f6d51f75db05829deaba2bbf