[INFO] cloning repository https://github.com/maeln/wfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maeln/wfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fwfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fwfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c260fb0df8cd914b6116cf1675210041afaeadc [INFO] testing maeln/wfc against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fwfc" "/workspace/builds/worker-85/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maeln/wfc on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maeln/wfc [INFO] finished tweaking git repo https://github.com/maeln/wfc [INFO] tweaked toml for git repo https://github.com/maeln/wfc written to /workspace/builds/worker-85/source/Cargo.toml [INFO] crate git repo https://github.com/maeln/wfc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13850f26a4195e5ae3866f17619faf0ae442304324d9d4dd50eeae2bff677d4d [INFO] running `Command { std: "docker" "start" "-a" "13850f26a4195e5ae3866f17619faf0ae442304324d9d4dd50eeae2bff677d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13850f26a4195e5ae3866f17619faf0ae442304324d9d4dd50eeae2bff677d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13850f26a4195e5ae3866f17619faf0ae442304324d9d4dd50eeae2bff677d4d", kill_on_drop: false }` [INFO] [stdout] 13850f26a4195e5ae3866f17619faf0ae442304324d9d4dd50eeae2bff677d4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d0a4e2c86125133f0810c04d47c4b804817af4aa5e7596a5378e8900cd88e3c [INFO] running `Command { std: "docker" "start" "-a" "6d0a4e2c86125133f0810c04d47c4b804817af4aa5e7596a5378e8900cd88e3c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling wfc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `WFC_STATE` should have an upper camel case name [INFO] [stdout] --> src/main.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WFC_STATE { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `WfcState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `nb_pos` is never read [INFO] [stdout] --> src/main.rs:175:13 [INFO] [stdout] | [INFO] [stdout] 175 | nb_pos = pos.len(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut neighbors: Vec = self.neighbors(x, y); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `COLLAPSED` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | COLLAPSED, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.74s [INFO] running `Command { std: "docker" "inspect" "6d0a4e2c86125133f0810c04d47c4b804817af4aa5e7596a5378e8900cd88e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d0a4e2c86125133f0810c04d47c4b804817af4aa5e7596a5378e8900cd88e3c", kill_on_drop: false }` [INFO] [stdout] 6d0a4e2c86125133f0810c04d47c4b804817af4aa5e7596a5378e8900cd88e3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb00cf558729fc409661a997773c87da2e1838a36574850f479cc9d90c4f05f3 [INFO] running `Command { std: "docker" "start" "-a" "bb00cf558729fc409661a997773c87da2e1838a36574850f479cc9d90c4f05f3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling wfc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `WFC_STATE` should have an upper camel case name [INFO] [stdout] --> src/main.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WFC_STATE { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `WfcState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `nb_pos` is never read [INFO] [stdout] --> src/main.rs:175:13 [INFO] [stdout] | [INFO] [stdout] 175 | nb_pos = pos.len(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut neighbors: Vec = self.neighbors(x, y); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `COLLAPSED` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | COLLAPSED, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.59s [INFO] running `Command { std: "docker" "inspect" "bb00cf558729fc409661a997773c87da2e1838a36574850f479cc9d90c4f05f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb00cf558729fc409661a997773c87da2e1838a36574850f479cc9d90c4f05f3", kill_on_drop: false }` [INFO] [stdout] bb00cf558729fc409661a997773c87da2e1838a36574850f479cc9d90c4f05f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0cd5da1cf36511ceb3b6453523ad6d9c65e27c3f3bfebe02107dda5b52c07b8f [INFO] running `Command { std: "docker" "start" "-a" "0cd5da1cf36511ceb3b6453523ad6d9c65e27c3f3bfebe02107dda5b52c07b8f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: type `WFC_STATE` should have an upper camel case name [INFO] [stderr] --> src/main.rs:27:6 [INFO] [stderr] | [INFO] [stderr] 27 | enum WFC_STATE { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper camel case: `WfcState` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `nb_pos` is never read [INFO] [stderr] --> src/main.rs:175:13 [INFO] [stderr] | [INFO] [stderr] 175 | nb_pos = pos.len(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | let mut neighbors: Vec = self.neighbors(x, y); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `COLLAPSED` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | COLLAPSED, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `wfc` (bin "wfc" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wfc-a4c109690710891d) [INFO] running `Command { std: "docker" "inspect" "0cd5da1cf36511ceb3b6453523ad6d9c65e27c3f3bfebe02107dda5b52c07b8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cd5da1cf36511ceb3b6453523ad6d9c65e27c3f3bfebe02107dda5b52c07b8f", kill_on_drop: false }` [INFO] [stdout] 0cd5da1cf36511ceb3b6453523ad6d9c65e27c3f3bfebe02107dda5b52c07b8f