[INFO] cloning repository https://github.com/RustamIbragimov/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/RustamIbragimov/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustamIbragimov%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustamIbragimov%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2195e2778cfa21f41e78d860734cc2fca532b0
[INFO] checking RustamIbragimov/advent_of_code_2020 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustamIbragimov%2Fadvent_of_code_2020" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustamIbragimov/advent_of_code_2020 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustamIbragimov/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/RustamIbragimov/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/RustamIbragimov/advent_of_code_2020 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/RustamIbragimov/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa1778adb80a8a6641e6773a1c32618962d93960f5abc272cc10d7cc5516bfc
[INFO] running `Command { std: "docker" "start" "-a" "0aa1778adb80a8a6641e6773a1c32618962d93960f5abc272cc10d7cc5516bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa1778adb80a8a6641e6773a1c32618962d93960f5abc272cc10d7cc5516bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa1778adb80a8a6641e6773a1c32618962d93960f5abc272cc10d7cc5516bfc", kill_on_drop: false }`
[INFO] [stdout] 0aa1778adb80a8a6641e6773a1c32618962d93960f5abc272cc10d7cc5516bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eec09e325d4b040d85886efb8161ce8541a3bd14a67b5ffd08c1870223db166
[INFO] running `Command { std: "docker" "start" "-a" "3eec09e325d4b040d85886efb8161ce8541a3bd14a67b5ffd08c1870223db166", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: label name `'outer` shadows a label name that is already in scope
[INFO] [stdout]   --> src/bin/day1.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ------ first declared here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ^^^^^^ label `'outer` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: label name `'outer` shadows a label name that is already in scope
[INFO] [stdout]   --> src/bin/day1.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ------ first declared here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ^^^^^^ label `'outer` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "3eec09e325d4b040d85886efb8161ce8541a3bd14a67b5ffd08c1870223db166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eec09e325d4b040d85886efb8161ce8541a3bd14a67b5ffd08c1870223db166", kill_on_drop: false }`
[INFO] [stdout] 3eec09e325d4b040d85886efb8161ce8541a3bd14a67b5ffd08c1870223db166