[INFO] cloning repository https://github.com/AlexanderThaller/advent_of_code_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderThaller/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7d4e8333798af5f0bbfa705b0fc86e8b4695cd4
[INFO] checking AlexanderThaller/advent_of_code_2019 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fadvent_of_code_2019" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexanderThaller/advent_of_code_2019 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexanderThaller/advent_of_code_2019
[INFO] finished tweaking git repo https://github.com/AlexanderThaller/advent_of_code_2019
[INFO] tweaked toml for git repo https://github.com/AlexanderThaller/advent_of_code_2019 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexanderThaller/advent_of_code_2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.3
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
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[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bde0b625d0ea1dc66939881d22ce96517bf57c3853bbdb88f4d32af39978c4d
[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" "8bde0b625d0ea1dc66939881d22ce96517bf57c3853bbdb88f4d32af39978c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bde0b625d0ea1dc66939881d22ce96517bf57c3853bbdb88f4d32af39978c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bde0b625d0ea1dc66939881d22ce96517bf57c3853bbdb88f4d32af39978c4d", kill_on_drop: false }`
[INFO] [stdout] 8bde0b625d0ea1dc66939881d22ce96517bf57c3853bbdb88f4d32af39978c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b054df7c726cc8d1372dcaab1c151b4ba41bb9d6c98d524bf10d1c1c062ccfb7
[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" "b054df7c726cc8d1372dcaab1c151b4ba41bb9d6c98d524bf10d1c1c062ccfb7", kill_on_drop: false }`
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[INFO] [stderr]     Checking advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/day_02/part_2.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for noun in { 0..=99 } {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/day_02/part_2.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for verb in { 0..=99 } {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/day_02/part_2.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for noun in { 0..=99 } {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/day_02/part_2.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for verb in { 0..=99 } {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "b054df7c726cc8d1372dcaab1c151b4ba41bb9d6c98d524bf10d1c1c062ccfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b054df7c726cc8d1372dcaab1c151b4ba41bb9d6c98d524bf10d1c1c062ccfb7", kill_on_drop: false }`
[INFO] [stdout] b054df7c726cc8d1372dcaab1c151b4ba41bb9d6c98d524bf10d1c1c062ccfb7