[INFO] cloning repository https://github.com/02alexander/maze-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/maze-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4303321d53fdbde07fa4a170dc2621ef0f8172fb [INFO] testing 02alexander/maze-solver against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/02alexander/maze-solver on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/02alexander/maze-solver [INFO] finished tweaking git repo https://github.com/02alexander/maze-solver [INFO] tweaked toml for git repo https://github.com/02alexander/maze-solver written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/02alexander/maze-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded imagefmt v4.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c84bc37c148082d1eb2295dcc2f857cd057d4baee5c62750b588d3b5a6aa744 [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" "4c84bc37c148082d1eb2295dcc2f857cd057d4baee5c62750b588d3b5a6aa744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c84bc37c148082d1eb2295dcc2f857cd057d4baee5c62750b588d3b5a6aa744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c84bc37c148082d1eb2295dcc2f857cd057d4baee5c62750b588d3b5a6aa744", kill_on_drop: false }` [INFO] [stdout] 4c84bc37c148082d1eb2295dcc2f857cd057d4baee5c62750b588d3b5a6aa744 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 608a3c1b0bd15a44ccb2408cce5e27e0ca7f0da72d93676cf5c9e59a2fdbfe0d [INFO] running `Command { std: "docker" "start" "-a" "608a3c1b0bd15a44ccb2408cce5e27e0ca7f0da72d93676cf5c9e59a2fdbfe0d", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling imagefmt v4.0.0 [INFO] [stderr] Compiling maze-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `read`, `write` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/path_to_end.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | use super::tree::{QuaternaryTree, Node, Link}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.73s [INFO] running `Command { std: "docker" "inspect" "608a3c1b0bd15a44ccb2408cce5e27e0ca7f0da72d93676cf5c9e59a2fdbfe0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "608a3c1b0bd15a44ccb2408cce5e27e0ca7f0da72d93676cf5c9e59a2fdbfe0d", kill_on_drop: false }` [INFO] [stdout] 608a3c1b0bd15a44ccb2408cce5e27e0ca7f0da72d93676cf5c9e59a2fdbfe0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0cc3843593888d707c0a49f1d53a8562efa3412d3c5144e02ebb9dc2a061bb81 [INFO] running `Command { std: "docker" "start" "-a" "0cc3843593888d707c0a49f1d53a8562efa3412d3c5144e02ebb9dc2a061bb81", kill_on_drop: false }` [INFO] [stderr] Compiling maze-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `read`, `write` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "0cc3843593888d707c0a49f1d53a8562efa3412d3c5144e02ebb9dc2a061bb81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cc3843593888d707c0a49f1d53a8562efa3412d3c5144e02ebb9dc2a061bb81", kill_on_drop: false }` [INFO] [stdout] 0cc3843593888d707c0a49f1d53a8562efa3412d3c5144e02ebb9dc2a061bb81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e23dfb71f32eb9197c3d19742a842b183ebfb8bb6ef37e5d4d9db6b19472532 [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" "7e23dfb71f32eb9197c3d19742a842b183ebfb8bb6ef37e5d4d9db6b19472532", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `read`, `write` [INFO] [stderr] --> src/main.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem::drop` [INFO] [stderr] --> src/tree.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem::drop; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/maze_solver-3d6fbf25651f63a6 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test maze::test::from ... ok [INFO] [stdout] test maze::test::test_find_end ... ok [INFO] [stdout] test maze::test::test_find_start ... ok [INFO] [stdout] test maze_to_tree::test::t_get_tile ... ok [INFO] [stdout] test path_to_end::test::t_path_to_end ... ok [INFO] [stdout] test maze_to_tree::test::t_maze_to_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e23dfb71f32eb9197c3d19742a842b183ebfb8bb6ef37e5d4d9db6b19472532", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e23dfb71f32eb9197c3d19742a842b183ebfb8bb6ef37e5d4d9db6b19472532", kill_on_drop: false }` [INFO] [stdout] 7e23dfb71f32eb9197c3d19742a842b183ebfb8bb6ef37e5d4d9db6b19472532