[INFO] cloning repository https://github.com/TheRiven/mazegenerator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRiven/mazegenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168 [INFO] testing TheRiven/mazegenerator against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator" "/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/TheRiven/mazegenerator on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheRiven/mazegenerator [INFO] finished tweaking git repo https://github.com/TheRiven/mazegenerator [INFO] tweaked toml for git repo https://github.com/TheRiven/mazegenerator written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/TheRiven/mazegenerator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b6d4bd636ef980b49ec1521a43218dd72209675a2c01a15e14a88b5634b2a68 [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" "9b6d4bd636ef980b49ec1521a43218dd72209675a2c01a15e14a88b5634b2a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b6d4bd636ef980b49ec1521a43218dd72209675a2c01a15e14a88b5634b2a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b6d4bd636ef980b49ec1521a43218dd72209675a2c01a15e14a88b5634b2a68", kill_on_drop: false }` [INFO] [stdout] 9b6d4bd636ef980b49ec1521a43218dd72209675a2c01a15e14a88b5634b2a68 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 326f5d980700dad21277800896722ea27cb64c4b24e062015c82450825fde9bc [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" "326f5d980700dad21277800896722ea27cb64c4b24e062015c82450825fde9bc", kill_on_drop: false }` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling color_quant v1.0.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.89s [INFO] running `Command { std: "docker" "inspect" "326f5d980700dad21277800896722ea27cb64c4b24e062015c82450825fde9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "326f5d980700dad21277800896722ea27cb64c4b24e062015c82450825fde9bc", kill_on_drop: false }` [INFO] [stdout] 326f5d980700dad21277800896722ea27cb64c4b24e062015c82450825fde9bc [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60d7ffc705fa11d52305163e7bb8d7cf0fcb167b2f00ca5f72119ee1085c7dfe [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" "60d7ffc705fa11d52305163e7bb8d7cf0fcb167b2f00ca5f72119ee1085c7dfe", kill_on_drop: false }` [INFO] [stderr] Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `Command { std: "docker" "inspect" "60d7ffc705fa11d52305163e7bb8d7cf0fcb167b2f00ca5f72119ee1085c7dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60d7ffc705fa11d52305163e7bb8d7cf0fcb167b2f00ca5f72119ee1085c7dfe", kill_on_drop: false }` [INFO] [stdout] 60d7ffc705fa11d52305163e7bb8d7cf0fcb167b2f00ca5f72119ee1085c7dfe [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a43651ddc9877fca0705bc0d66350536c496f4f1cf3ea5f95ffef340a5267bd7 [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" "a43651ddc9877fca0705bc0d66350536c496f4f1cf3ea5f95ffef340a5267bd7", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | (chosen) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/maze.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | (chosen) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/maze.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mazegenerator-b474888178191886) [INFO] [stdout] running 9 tests [INFO] [stdout] test mazebuilder::tests::test_dfs_10_10 ... ok [INFO] [stdout] test mazebuilder::tests::test_generate_maze_selector ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_10_10 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_15_23 ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_15_23 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_100_100 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_imperfect ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_100_100 ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mazegenerator-17627473c210c652) [INFO] [stdout] test mazebuilder::tests::test_kruskal_imperfect ... ok [INFO] [stderr] Doc-tests mazegenerator [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s [INFO] [stdout] [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: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/dfs.rs:86:74 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/dfs.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | (chosen) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/maze.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [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] running `Command { std: "docker" "inspect" "a43651ddc9877fca0705bc0d66350536c496f4f1cf3ea5f95ffef340a5267bd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a43651ddc9877fca0705bc0d66350536c496f4f1cf3ea5f95ffef340a5267bd7", kill_on_drop: false }` [INFO] [stdout] a43651ddc9877fca0705bc0d66350536c496f4f1cf3ea5f95ffef340a5267bd7