[INFO] cloning repository https://github.com/sujaymansingh/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sujaymansingh/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsujaymansingh%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsujaymansingh%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac92b944b77c0a5a9c5ac6682e72d045bb28bc89
[INFO] checking sujaymansingh/adventofcode against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsujaymansingh%2Fadventofcode" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sujaymansingh/adventofcode on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sujaymansingh/adventofcode
[INFO] finished tweaking git repo https://github.com/sujaymansingh/adventofcode
[INFO] tweaked toml for git repo https://github.com/sujaymansingh/adventofcode written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sujaymansingh/adventofcode 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9937e2d27583d794efb0161636f1568ca9f200ae46837ec797b55c3e83f7ff3
[INFO] running `Command { std: "docker" "start" "-a" "e9937e2d27583d794efb0161636f1568ca9f200ae46837ec797b55c3e83f7ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9937e2d27583d794efb0161636f1568ca9f200ae46837ec797b55c3e83f7ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9937e2d27583d794efb0161636f1568ca9f200ae46837ec797b55c3e83f7ff3", kill_on_drop: false }`
[INFO] [stdout] e9937e2d27583d794efb0161636f1568ca9f200ae46837ec797b55c3e83f7ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d2551cd8389426e2d1a42aaf7fbe613bd39a6ded271152d030aec92e8c7e3e6
[INFO] running `Command { std: "docker" "start" "-a" "1d2551cd8389426e2d1a42aaf7fbe613bd39a6ded271152d030aec92e8c7e3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `positions` is never used
[INFO] [stdout]    --> src/grid.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl Grid {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn positions(&self) -> GridPositionIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `Command { std: "docker" "inspect" "1d2551cd8389426e2d1a42aaf7fbe613bd39a6ded271152d030aec92e8c7e3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2551cd8389426e2d1a42aaf7fbe613bd39a6ded271152d030aec92e8c7e3e6", kill_on_drop: false }`
[INFO] [stdout] 1d2551cd8389426e2d1a42aaf7fbe613bd39a6ded271152d030aec92e8c7e3e6
[INFO] checking sujaymansingh/adventofcode against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsujaymansingh%2Fadventofcode" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sujaymansingh/adventofcode on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sujaymansingh/adventofcode
[INFO] finished tweaking git repo https://github.com/sujaymansingh/adventofcode
[INFO] tweaked toml for git repo https://github.com/sujaymansingh/adventofcode written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sujaymansingh/adventofcode 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 169c739401e2f4a4ba37ae50ef2161e99c1ff3e016bdbb96870ca565e76c89c3
[INFO] running `Command { std: "docker" "start" "-a" "169c739401e2f4a4ba37ae50ef2161e99c1ff3e016bdbb96870ca565e76c89c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169c739401e2f4a4ba37ae50ef2161e99c1ff3e016bdbb96870ca565e76c89c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169c739401e2f4a4ba37ae50ef2161e99c1ff3e016bdbb96870ca565e76c89c3", kill_on_drop: false }`
[INFO] [stdout] 169c739401e2f4a4ba37ae50ef2161e99c1ff3e016bdbb96870ca565e76c89c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c88d47538bac40a95a48fd411665b86b18eecca38fa3dd783e3855850a26b1f
[INFO] running `Command { std: "docker" "start" "-a" "7c88d47538bac40a95a48fd411665b86b18eecca38fa3dd783e3855850a26b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `positions` is never used
[INFO] [stdout]    --> src/grid.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl Grid {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn positions(&self) -> GridPositionIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "7c88d47538bac40a95a48fd411665b86b18eecca38fa3dd783e3855850a26b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c88d47538bac40a95a48fd411665b86b18eecca38fa3dd783e3855850a26b1f", kill_on_drop: false }`
[INFO] [stdout] 7c88d47538bac40a95a48fd411665b86b18eecca38fa3dd783e3855850a26b1f