[INFO] cloning repository https://github.com/nikhilmitrax/rotx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilmitrax/rotx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c64584ccef7c7477c5b6a0626bf1443d563a429
[INFO] checking nikhilmitrax/rotx against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Frotx" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhilmitrax/rotx on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikhilmitrax/rotx
[INFO] finished tweaking git repo https://github.com/nikhilmitrax/rotx
[INFO] tweaked toml for git repo https://github.com/nikhilmitrax/rotx written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhilmitrax/rotx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a8011d7582727c939b21830eba4ce74eeaf4be63dd6660c3cd5dc027772ebe
[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" "24a8011d7582727c939b21830eba4ce74eeaf4be63dd6660c3cd5dc027772ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a8011d7582727c939b21830eba4ce74eeaf4be63dd6660c3cd5dc027772ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a8011d7582727c939b21830eba4ce74eeaf4be63dd6660c3cd5dc027772ebe", kill_on_drop: false }`
[INFO] [stdout] 24a8011d7582727c939b21830eba4ce74eeaf4be63dd6660c3cd5dc027772ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63780a6dfd2bbc8308ec34c47b6618fe5f67d058253f442e4cd3d3237ae319cb
[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" "63780a6dfd2bbc8308ec34c47b6618fe5f67d058253f442e4cd3d3237ae319cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rotx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ALPHABET` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ALPHABET_INDEX: HashMap<usize, char> = ALPHABET.clone().into_iter().enumerate().collect();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_REVERSE_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let ALPHABET_REVERSE_INDEX: HashMap<char, usize> = ALPHABET
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_reverse_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let ALPHABET: Vec<char> = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ "
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `alphabet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ALPHABET_INDEX: HashMap<usize, char> = ALPHABET.clone().into_iter().enumerate().collect();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ALPHABET_REVERSE_INDEX` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let ALPHABET_REVERSE_INDEX: HashMap<char, usize> = ALPHABET
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `alphabet_reverse_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "63780a6dfd2bbc8308ec34c47b6618fe5f67d058253f442e4cd3d3237ae319cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63780a6dfd2bbc8308ec34c47b6618fe5f67d058253f442e4cd3d3237ae319cb", kill_on_drop: false }`
[INFO] [stdout] 63780a6dfd2bbc8308ec34c47b6618fe5f67d058253f442e4cd3d3237ae319cb