[INFO] cloning repository https://github.com/libc/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/libc/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4ef9fedaf2c7e602935df5a2e63ae7ac8b12a9a
[INFO] checking libc/aoc2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Faoc2020" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/libc/aoc2020 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/libc/aoc2020
[INFO] finished tweaking git repo https://github.com/libc/aoc2020
[INFO] tweaked toml for git repo https://github.com/libc/aoc2020 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/libc/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010bbf0e7ace5558e35de207a7c3b2c57ec53af70a9861ec6ca31ceb45732eb0
[INFO] running `Command { std: "docker" "start" "-a" "010bbf0e7ace5558e35de207a7c3b2c57ec53af70a9861ec6ca31ceb45732eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010bbf0e7ace5558e35de207a7c3b2c57ec53af70a9861ec6ca31ceb45732eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010bbf0e7ace5558e35de207a7c3b2c57ec53af70a9861ec6ca31ceb45732eb0", kill_on_drop: false }`
[INFO] [stdout] 010bbf0e7ace5558e35de207a7c3b2c57ec53af70a9861ec6ca31ceb45732eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0a7431dd45394b9291c02bcc55467037a10e967220bcd384001831d5e0514f
[INFO] running `Command { std: "docker" "start" "-a" "2e0a7431dd45394b9291c02bcc55467037a10e967220bcd384001831d5e0514f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/bin/day15.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day8.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day4.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day25.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day18.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day20.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day23.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day9.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day5.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day17.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day3.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day11.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day24.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day22.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day14.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day6.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day21.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day13.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day19.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day7.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day16.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day10.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day12.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/day8.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/day18.rs (4 fixes)
[INFO] [stderr]        Fixed src/bin/day25.rs (2 fixes)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day23.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             io::stdout().flush();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/day3.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/day11.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/day24.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/day7.rs (2 fixes)
[INFO] [stderr]        Fixed src/bin/day12.rs (3 fixes)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day23.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             io::stdout().flush();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.80s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day23.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             io::stdout().flush();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day23.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             io::stdout().flush();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2e0a7431dd45394b9291c02bcc55467037a10e967220bcd384001831d5e0514f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0a7431dd45394b9291c02bcc55467037a10e967220bcd384001831d5e0514f", kill_on_drop: false }`
[INFO] [stdout] 2e0a7431dd45394b9291c02bcc55467037a10e967220bcd384001831d5e0514f