[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] 93fcf540e45173a2d0207649e307edb1c5670809
[INFO] testing amhk/advent-of-code against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famhk%2Fadvent-of-code" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amhk/advent-of-code on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-11/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fancy-regex v0.4.1
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63391025d36b2d6e21a4814f7cb909728a3b2138ba0e906eb2c23b49ed64a668
[INFO] running `Command { std: "docker" "start" "-a" "63391025d36b2d6e21a4814f7cb909728a3b2138ba0e906eb2c23b49ed64a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63391025d36b2d6e21a4814f7cb909728a3b2138ba0e906eb2c23b49ed64a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63391025d36b2d6e21a4814f7cb909728a3b2138ba0e906eb2c23b49ed64a668", kill_on_drop: false }`
[INFO] [stdout] 63391025d36b2d6e21a4814f7cb909728a3b2138ba0e906eb2c23b49ed64a668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3296a1e831d8aa3dc6d64025d31c63a11fa71dd5c26ecf13776387d9e2346e40
[INFO] running `Command { std: "docker" "start" "-a" "3296a1e831d8aa3dc6d64025d31c63a11fa71dd5c26ecf13776387d9e2346e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling primes v0.3.0
[INFO] [stderr]    Compiling aoc-2020-10 v0.1.0 (/opt/rustwide/workdir/2020/10)
[INFO] [stderr]    Compiling aoc-2020-20 v0.1.0 (/opt/rustwide/workdir/2020/20)
[INFO] [stderr]    Compiling aoc-2015-25 v0.1.0 (/opt/rustwide/workdir/2015/25)
[INFO] [stderr]    Compiling aoc-2020-01 v0.1.0 (/opt/rustwide/workdir/2020/01)
[INFO] [stderr]    Compiling aoc-2015-19 v0.1.0 (/opt/rustwide/workdir/2015/19)
[INFO] [stderr]    Compiling aoc-2020-03 v0.1.0 (/opt/rustwide/workdir/2020/03)
[INFO] [stderr]    Compiling aoc-2015-14 v0.1.0 (/opt/rustwide/workdir/2015/14)
[INFO] [stderr]    Compiling aoc-2020-22 v0.1.0 (/opt/rustwide/workdir/2020/22)
[INFO] [stderr]    Compiling aoc-2020-08 v0.1.0 (/opt/rustwide/workdir/2020/08)
[INFO] [stderr]    Compiling aoc-2020-25 v0.1.0 (/opt/rustwide/workdir/2020/25)
[INFO] [stderr]    Compiling aoc-2020-13 v0.1.0 (/opt/rustwide/workdir/2020/13)
[INFO] [stderr]    Compiling aoc-2015-08 v0.1.0 (/opt/rustwide/workdir/2015/08)
[INFO] [stderr]    Compiling aoc-2020-11 v0.1.0 (/opt/rustwide/workdir/2020/11)
[INFO] [stderr]    Compiling aoc-2020-19 v0.1.0 (/opt/rustwide/workdir/2020/19)
[INFO] [stderr]    Compiling aoc-2020-24 v0.1.0 (/opt/rustwide/workdir/2020/24)
[INFO] [stderr]    Compiling aoc-2015-22 v0.1.0 (/opt/rustwide/workdir/2015/22)
[INFO] [stderr]    Compiling aoc-2020-18 v0.1.0 (/opt/rustwide/workdir/2020/18)
[INFO] [stderr]    Compiling aoc-2020-23 v0.1.0 (/opt/rustwide/workdir/2020/23)
[INFO] [stderr]    Compiling aoc-2015-03 v0.1.0 (/opt/rustwide/workdir/2015/03)
[INFO] [stderr]    Compiling aoc-2015-10 v0.1.0 (/opt/rustwide/workdir/2015/10)
[INFO] [stderr]    Compiling aoc-2020-17 v0.1.0 (/opt/rustwide/workdir/2020/17)
[INFO] [stderr]    Compiling aoc-2020-09 v0.1.0 (/opt/rustwide/workdir/2020/09)
[INFO] [stderr]    Compiling aoc-2015-02 v0.1.0 (/opt/rustwide/workdir/2015/02)
[INFO] [stderr]    Compiling aoc-2015-01 v0.1.0 (/opt/rustwide/workdir/2015/01)
[INFO] [stderr]    Compiling aoc-2015-17 v0.1.0 (/opt/rustwide/workdir/2015/17)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> 2015/14/src/main.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aoc-2020-12 v0.1.0 (/opt/rustwide/workdir/2020/12)
[INFO] [stderr]    Compiling aoc-2020-05 v0.1.0 (/opt/rustwide/workdir/2020/05)
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aoc-2015-18 v0.1.0 (/opt/rustwide/workdir/2015/18)
[INFO] [stderr]    Compiling aoc-2020-15 v0.1.0 (/opt/rustwide/workdir/2020/15)
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling aoc-2020-04 v0.1.0 (/opt/rustwide/workdir/2020/04)
[INFO] [stderr]    Compiling aoc-2020-16 v0.1.0 (/opt/rustwide/workdir/2020/16)
[INFO] [stderr]    Compiling aoc-2020-21 v0.1.0 (/opt/rustwide/workdir/2020/21)
[INFO] [stderr]    Compiling aoc-2015-06 v0.1.0 (/opt/rustwide/workdir/2015/06)
[INFO] [stderr]    Compiling aoc-2015-15 v0.1.0 (/opt/rustwide/workdir/2015/15)
[INFO] [stderr]    Compiling aoc-2020-02 v0.1.0 (/opt/rustwide/workdir/2020/02)
[INFO] [stderr]    Compiling aoc-2020-14 v0.1.0 (/opt/rustwide/workdir/2020/14)
[INFO] [stderr]    Compiling aoc-2015-23 v0.1.0 (/opt/rustwide/workdir/2015/23)
[INFO] [stderr]    Compiling aoc-2015-16 v0.1.0 (/opt/rustwide/workdir/2015/16)
[INFO] [stderr]    Compiling aoc-2015-07 v0.1.0 (/opt/rustwide/workdir/2015/07)
[INFO] [stderr]    Compiling aoc-2020-07 v0.1.0 (/opt/rustwide/workdir/2020/07)
[INFO] [stderr]    Compiling fancy-regex v0.4.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aoc-2020-06 v0.1.0 (/opt/rustwide/workdir/2020/06)
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling aoc-2015-21 v0.1.0 (/opt/rustwide/workdir/2015/21)
[INFO] [stderr]    Compiling aoc-2015-13 v0.1.0 (/opt/rustwide/workdir/2015/13)
[INFO] [stderr]    Compiling aoc-2015-24 v0.1.0 (/opt/rustwide/workdir/2015/24)
[INFO] [stderr]    Compiling aoc-2015-09 v0.1.0 (/opt/rustwide/workdir/2015/09)
[INFO] [stderr]    Compiling aoc-2015-11 v0.1.0 (/opt/rustwide/workdir/2015/11)
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.118/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' -C metadata=049396b004f8adf5 -C extra-filename=-049396b004f8adf5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "3296a1e831d8aa3dc6d64025d31c63a11fa71dd5c26ecf13776387d9e2346e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3296a1e831d8aa3dc6d64025d31c63a11fa71dd5c26ecf13776387d9e2346e40", kill_on_drop: false }`
[INFO] [stdout] 3296a1e831d8aa3dc6d64025d31c63a11fa71dd5c26ecf13776387d9e2346e40