[INFO] cloning repository https://github.com/onelin789/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onelin789/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelin789%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelin789%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30ba12f7d343b75036c5ffd97abf0782cc48dc21
[INFO] checking onelin789/AdventOfCode2020 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelin789%2FAdventOfCode2020" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/onelin789/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/onelin789/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/onelin789/AdventOfCode2020 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/onelin789/AdventOfCode2020 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/onelin789/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intbits v0.2.0
[INFO] [stderr]   Downloaded exec_time v0.1.4
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca
[INFO] running `Command { std: "docker" "start" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking intbits v0.2.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling exec_time v0.1.4
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]   --> src/bin/day004.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut cid = 0;
[INFO] [stdout]    |                       ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 99 |         cid = 1;
[INFO] [stdout]    |         ------- `cid` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]   --> src/bin/day004.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 "cid" => cid += 1,
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]   --> src/bin/day004.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut cid = 0;
[INFO] [stdout]    |                       ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 99 |         cid = 1;
[INFO] [stdout]    |         ------- `cid` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]   --> src/bin/day004.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 "cid" => cid += 1,
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca", kill_on_drop: false }`
[INFO] [stdout] 0fbc872dcbf8a2b821ad111cbaf99a812d8e1306c70661c14d01936b9808bfca
