[INFO] cloning repository https://github.com/JohanSarnbratt/n-mino-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohanSarnbratt/n-mino-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanSarnbratt%2Fn-mino-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanSarnbratt%2Fn-mino-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572549004970e8b6b0ee9484a5aac9a273327c5d
[INFO] checking JohanSarnbratt/n-mino-solver against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanSarnbratt%2Fn-mino-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohanSarnbratt/n-mino-solver on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohanSarnbratt/n-mino-solver
[INFO] finished tweaking git repo https://github.com/JohanSarnbratt/n-mino-solver
[INFO] tweaked toml for git repo https://github.com/JohanSarnbratt/n-mino-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohanSarnbratt/n-mino-solver 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking JohanSarnbratt/n-mino-solver against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanSarnbratt%2Fn-mino-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohanSarnbratt/n-mino-solver on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohanSarnbratt/n-mino-solver
[INFO] finished tweaking git repo https://github.com/JohanSarnbratt/n-mino-solver
[INFO] tweaked toml for git repo https://github.com/JohanSarnbratt/n-mino-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohanSarnbratt/n-mino-solver 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19493302b3dc1d8eef3927156f58e4d47abfdfd96ce38bda23f593eb2bf16be
[INFO] running `Command { std: "docker" "start" "-a" "c19493302b3dc1d8eef3927156f58e4d47abfdfd96ce38bda23f593eb2bf16be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19493302b3dc1d8eef3927156f58e4d47abfdfd96ce38bda23f593eb2bf16be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19493302b3dc1d8eef3927156f58e4d47abfdfd96ce38bda23f593eb2bf16be", kill_on_drop: false }`
[INFO] [stdout] c19493302b3dc1d8eef3927156f58e4d47abfdfd96ce38bda23f593eb2bf16be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c84de3db908ecb739154ca75bb37e7452e4bfcf8e61479119008224f7892c9f8
[INFO] running `Command { std: "docker" "start" "-a" "c84de3db908ecb739154ca75bb37e7452e4bfcf8e61479119008224f7892c9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rust2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/puzzle/board.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     for b in b_placed {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     for b in b_placed {
[INFO] [stdout] 168 +     while let Some(b) = b_placed {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 168 -     for b in b_placed {
[INFO] [stdout] 168 +     if let Some(b) = b_placed {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/puzzle/board.rs:173:14
[INFO] [stdout]     |
[INFO] [stdout] 173 |     for b in b_place_turned {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for b in b_place_turned {
[INFO] [stdout] 173 +     while let Some(b) = b_place_turned {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 173 -     for b in b_place_turned {
[INFO] [stdout] 173 +     if let Some(b) = b_place_turned {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `all_perms` found for struct `Piece` in the current scope
[INFO] [stdout]    --> src/puzzle/piece.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub struct Piece {
[INFO] [stdout]     | ---------------- method `all_perms` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |         assert_eq!(piece.all_perms().len(), 1);
[INFO] [stdout]     |                          ^^^^^^^^^-- help: remove the arguments
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `all_perms` found for struct `Piece` in the current scope
[INFO] [stdout]    --> src/puzzle/piece.rs:249:26
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub struct Piece {
[INFO] [stdout]     | ---------------- method `all_perms` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 249 |         assert_eq!(piece.all_perms().len(), 8);
[INFO] [stdout]     |                          ^^^^^^^^^-- help: remove the arguments
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust2` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c84de3db908ecb739154ca75bb37e7452e4bfcf8e61479119008224f7892c9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84de3db908ecb739154ca75bb37e7452e4bfcf8e61479119008224f7892c9f8", kill_on_drop: false }`
[INFO] [stdout] c84de3db908ecb739154ca75bb37e7452e4bfcf8e61479119008224f7892c9f8