[INFO] cloning repository https://github.com/density/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/density/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdensity%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdensity%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] addcf1c76b12a893e14f85a9c5be58fa029fc166
[INFO] testing density/aoc2020 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdensity%2Faoc2020" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/density/aoc2020 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/density/aoc2020
[INFO] finished tweaking git repo https://github.com/density/aoc2020
[INFO] tweaked toml for git repo https://github.com/density/aoc2020 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/density/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 git2 v0.13.24
[INFO] [stderr]   Downloaded curl v0.4.40
[INFO] [stderr]   Downloaded cargo v0.57.0
[INFO] [stderr]   Downloaded curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]   Downloaded libgit2-sys v0.12.25+1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8beeea8835b6f4495b44ff8e046e34ad3de4a109876305ee82efa932f4bc525a
[INFO] running `Command { std: "docker" "start" "-a" "8beeea8835b6f4495b44ff8e046e34ad3de4a109876305ee82efa932f4bc525a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8beeea8835b6f4495b44ff8e046e34ad3de4a109876305ee82efa932f4bc525a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8beeea8835b6f4495b44ff8e046e34ad3de4a109876305ee82efa932f4bc525a", kill_on_drop: false }`
[INFO] [stdout] 8beeea8835b6f4495b44ff8e046e34ad3de4a109876305ee82efa932f4bc525a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b7c6a8d7a667a4e1386e503618c4e244ae8b1e23d191d143e5481eeba7d34a
[INFO] running `Command { std: "docker" "start" "-a" "70b7c6a8d7a667a4e1386e503618c4e244ae8b1e23d191d143e5481eeba7d34a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling curl v0.4.40
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling aoc21-04 v0.1.0 (/opt/rustwide/workdir/2021/aoc21-04)
[INFO] [stderr]    Compiling aoc20-10 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-10)
[INFO] [stderr]    Compiling aoc20-23 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-23)
[INFO] [stderr]    Compiling aoc20-03 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-03)
[INFO] [stderr]    Compiling aoc20-21 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-21)
[INFO] [stderr]    Compiling aoc20-05 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-05)
[INFO] [stderr]    Compiling aoc15-08 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-08)
[INFO] [stderr]    Compiling aoc21-03 v0.1.0 (/opt/rustwide/workdir/2021/aoc21-03)
[INFO] [stderr]    Compiling aoc20-01 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-01)
[INFO] [stderr]    Compiling aoc20-04 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-04)
[INFO] [stderr]    Compiling aoc20-25 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-25)
[INFO] [stderr]    Compiling aoc21-06 v0.1.0 (/opt/rustwide/workdir/2021/aoc21-06)
[INFO] [stderr]    Compiling aoc20-22 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-22)
[INFO] [stderr]    Compiling aoc15-02 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-02)
[INFO] [stderr]    Compiling aoc20-08 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-08)
[INFO] [stderr]    Compiling aoc21-01 v0.1.0 (/opt/rustwide/workdir/2021/aoc21-01)
[INFO] [stderr]    Compiling aoc15-07 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-07)
[INFO] [stderr]    Compiling aoc15-14 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-14)
[INFO] [stderr]    Compiling aoc20-11 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-11)
[INFO] [stderr]    Compiling aoc15-05 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-05)
[INFO] [stderr]    Compiling aoc20-19 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-19)
[INFO] [stderr]    Compiling aoc20-18 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-18)
[INFO] [stderr]    Compiling aoc20-09 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-09)
[INFO] [stderr]    Compiling aoc21-02 v0.1.0 (/opt/rustwide/workdir/2021/aoc21-02)
[INFO] [stderr]    Compiling aoc15-11 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-11)
[INFO] [stderr]    Compiling aoc15-01 v0.1.0 (/opt/rustwide/workdir/2015/aoc15-01)
[INFO] [stderr]    Compiling aoc20-20 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-20)
[INFO] [stderr]    Compiling aoc20-15 v0.1.0 (/opt/rustwide/workdir/2020/aoc20-15)
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling hymns v0.1.0 (/opt/rustwide/workdir/hymns)
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr] error: could not compile `aoc20-20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name aoc20_20 --edition=2018 2020/aoc20-20/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=457030a65a00b6ba -C extra-filename=-457030a65a00b6ba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (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" "70b7c6a8d7a667a4e1386e503618c4e244ae8b1e23d191d143e5481eeba7d34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b7c6a8d7a667a4e1386e503618c4e244ae8b1e23d191d143e5481eeba7d34a", kill_on_drop: false }`
[INFO] [stdout] 70b7c6a8d7a667a4e1386e503618c4e244ae8b1e23d191d143e5481eeba7d34a