[INFO] cloning repository https://github.com/MaartenStaa/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaartenStaa/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c71cd5b496f7a4b5041f023d4aecda1397c288
[INFO] testing MaartenStaa/advent-of-code-2020 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2020" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaartenStaa/advent-of-code-2020 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/MaartenStaa/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/MaartenStaa/advent-of-code-2020 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/MaartenStaa/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0892535caf6ff2ccb76c3022087cfd1a429f5d8a6e1aae25bb9734bc0f223feb
[INFO] running `Command { std: "docker" "start" "-a" "0892535caf6ff2ccb76c3022087cfd1a429f5d8a6e1aae25bb9734bc0f223feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0892535caf6ff2ccb76c3022087cfd1a429f5d8a6e1aae25bb9734bc0f223feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0892535caf6ff2ccb76c3022087cfd1a429f5d8a6e1aae25bb9734bc0f223feb", kill_on_drop: false }`
[INFO] [stdout] 0892535caf6ff2ccb76c3022087cfd1a429f5d8a6e1aae25bb9734bc0f223feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41daed2edca05bdace539f63e8dbbb27d49569ac67ab59ae4ab41ee93a21af7e
[INFO] running `Command { std: "docker" "start" "-a" "41daed2edca05bdace539f63e8dbbb27d49569ac67ab59ae4ab41ee93a21af7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day4-1 v0.1.0 (/opt/rustwide/workdir/day4-1)
[INFO] [stderr]    Compiling day3-2 v0.1.0 (/opt/rustwide/workdir/day3-2)
[INFO] [stderr]    Compiling day3-1 v0.1.0 (/opt/rustwide/workdir/day3-1)
[INFO] [stderr]    Compiling day1-1 v0.1.0 (/opt/rustwide/workdir/day1-1)
[INFO] [stderr]    Compiling day1-2 v0.1.0 (/opt/rustwide/workdir/day1-2)
[INFO] [stderr]    Compiling day2-2 v0.1.0 (/opt/rustwide/workdir/day2-2)
[INFO] [stderr]    Compiling day2-1 v0.1.0 (/opt/rustwide/workdir/day2-1)
[INFO] [stderr] error: could not compile `day4-1` due to 2 previous errors
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> day4-1/src/split.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<'a, I: Iterator, F> Iterator for SplitIterator<I, F>
[INFO] [stdout]    |      ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0207`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "41daed2edca05bdace539f63e8dbbb27d49569ac67ab59ae4ab41ee93a21af7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41daed2edca05bdace539f63e8dbbb27d49569ac67ab59ae4ab41ee93a21af7e", kill_on_drop: false }`
[INFO] [stdout] 41daed2edca05bdace539f63e8dbbb27d49569ac67ab59ae4ab41ee93a21af7e