[INFO] cloning repository https://github.com/lissitz/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lissitz/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44460dffad73e09790b131364d7140396a6d96d8
[INFO] checking lissitz/aoc-2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flissitz%2Faoc-2020" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lissitz/aoc-2020 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/lissitz/aoc-2020
[INFO] finished tweaking git repo https://github.com/lissitz/aoc-2020
[INFO] tweaked toml for git repo https://github.com/lissitz/aoc-2020 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/lissitz/aoc-2020 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b094655455c06c7bdbecdb6432cdee4a8a5c18ee98fd42f790a7b3f127e18741
[INFO] running `Command { std: "docker" "start" "-a" "b094655455c06c7bdbecdb6432cdee4a8a5c18ee98fd42f790a7b3f127e18741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b094655455c06c7bdbecdb6432cdee4a8a5c18ee98fd42f790a7b3f127e18741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b094655455c06c7bdbecdb6432cdee4a8a5c18ee98fd42f790a7b3f127e18741", kill_on_drop: false }`
[INFO] [stdout] b094655455c06c7bdbecdb6432cdee4a8a5c18ee98fd42f790a7b3f127e18741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6a8256f4738801ffe047c55e46f0f87ac254c81d92be07ff2ab2ac05ac6bfa0a
[INFO] running `Command { std: "docker" "start" "-a" "6a8256f4738801ffe047c55e46f0f87ac254c81d92be07ff2ab2ac05ac6bfa0a", 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 regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating examples/9/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/23/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/6/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/25/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/18/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/13/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/7/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/2/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/11/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/20/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/1/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/24/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/4/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/8/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/5/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/10/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/3/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/21/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/22/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/15/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/19/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/12/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/14/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/16/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/17/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> examples/25/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let N = 20201227;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed examples/13/main.rs (1 fix)
[INFO] [stderr]        Fixed examples/24/main.rs (1 fix)
[INFO] [stderr]        Fixed examples/20/main.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.11s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking aoc v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> examples/25/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let N = 20201227;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.50s
[INFO] running `Command { std: "docker" "inspect" "6a8256f4738801ffe047c55e46f0f87ac254c81d92be07ff2ab2ac05ac6bfa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8256f4738801ffe047c55e46f0f87ac254c81d92be07ff2ab2ac05ac6bfa0a", kill_on_drop: false }`
[INFO] [stdout] 6a8256f4738801ffe047c55e46f0f87ac254c81d92be07ff2ab2ac05ac6bfa0a