[INFO] cloning repository https://github.com/kurisuke/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurisuke/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32ef1db102189a3bbb6a3df5bbed2674c8b90d69
[INFO] checking kurisuke/aoc2020 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Faoc2020" "/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/kurisuke/aoc2020 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kurisuke/aoc2020
[INFO] finished tweaking git repo https://github.com/kurisuke/aoc2020
[INFO] tweaked toml for git repo https://github.com/kurisuke/aoc2020 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kurisuke/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.5
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5dbf7adfc7b81e170642aacb925d623f0d959e5d0045ba2a8e1d6c0db5cc3c1
[INFO] running `Command { std: "docker" "start" "-a" "b5dbf7adfc7b81e170642aacb925d623f0d959e5d0045ba2a8e1d6c0db5cc3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5dbf7adfc7b81e170642aacb925d623f0d959e5d0045ba2a8e1d6c0db5cc3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dbf7adfc7b81e170642aacb925d623f0d959e5d0045ba2a8e1d6c0db5cc3c1", kill_on_drop: false }`
[INFO] [stdout] b5dbf7adfc7b81e170642aacb925d623f0d959e5d0045ba2a8e1d6c0db5cc3c1
[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=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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ac74227a14c2ffd5fb8f748d5fdb51608b6ba13fe553a0e23d24721f8e5ec3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91ac74227a14c2ffd5fb8f748d5fdb51608b6ba13fe553a0e23d24721f8e5ec3", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]     Checking year2018 v0.1.0 (/opt/rustwide/workdir/year2018)
[INFO] [stderr]     Checking year2016 v0.1.0 (/opt/rustwide/workdir/year2016)
[INFO] [stderr]     Checking year2017 v0.1.0 (/opt/rustwide/workdir/year2017)
[INFO] [stderr]     Checking year2020 v0.1.0 (/opt/rustwide/workdir/year2020)
[INFO] [stderr]     Checking year2015 v0.1.0 (/opt/rustwide/workdir/year2015)
[INFO] [stderr]     Checking aoc-rust v0.1.0 (/opt/rustwide/workdir/aoc-rust)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.17s
[INFO] running `Command { std: "docker" "inspect" "91ac74227a14c2ffd5fb8f748d5fdb51608b6ba13fe553a0e23d24721f8e5ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ac74227a14c2ffd5fb8f748d5fdb51608b6ba13fe553a0e23d24721f8e5ec3", kill_on_drop: false }`
[INFO] [stdout] 91ac74227a14c2ffd5fb8f748d5fdb51608b6ba13fe553a0e23d24721f8e5ec3