[INFO] cloning repository https://github.com/Yukio0315/CC10-Polyglottal-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yukio0315/CC10-Polyglottal-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2c0e5d1536584902ecf4c7cf90e18d324255d17 [INFO] testing Yukio0315/CC10-Polyglottal-Rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust [INFO] finished tweaking git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust [INFO] tweaked toml for git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1821d7926d54f5482cc2a89f63e7048e2f42f49dd4f6c2c59023d1758662e637 [INFO] running `Command { std: "docker" "start" "-a" "1821d7926d54f5482cc2a89f63e7048e2f42f49dd4f6c2c59023d1758662e637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1821d7926d54f5482cc2a89f63e7048e2f42f49dd4f6c2c59023d1758662e637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1821d7926d54f5482cc2a89f63e7048e2f42f49dd4f6c2c59023d1758662e637", kill_on_drop: false }` [INFO] [stdout] 1821d7926d54f5482cc2a89f63e7048e2f42f49dd4f6c2c59023d1758662e637 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59d7210546e84be5ade4c102d52db9747c4471099013fbc42d8ae4848e2d30d1 [INFO] running `Command { std: "docker" "start" "-a" "59d7210546e84be5ade4c102d52db9747c4471099013fbc42d8ae4848e2d30d1", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/fetch_json.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn create() -> Result<(Vec), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5 - pub fn create() -> Result<(Vec), Box> { [INFO] [stdout] 5 + pub fn create() -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/selection_sort.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut tmp = (0, 0); [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: unused variable: `min_order` [INFO] [stdout] --> src/selection_sort.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | let (min_order, value) = tmp; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/selection_sort.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | let (min_order, value) = tmp; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.90s [INFO] running `Command { std: "docker" "inspect" "59d7210546e84be5ade4c102d52db9747c4471099013fbc42d8ae4848e2d30d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59d7210546e84be5ade4c102d52db9747c4471099013fbc42d8ae4848e2d30d1", kill_on_drop: false }` [INFO] [stdout] 59d7210546e84be5ade4c102d52db9747c4471099013fbc42d8ae4848e2d30d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f666222fc21f6050fe71e59ca9db30edd11bda97a88d15c66ac122edb97a59c7 [INFO] running `Command { std: "docker" "start" "-a" "f666222fc21f6050fe71e59ca9db30edd11bda97a88d15c66ac122edb97a59c7", kill_on_drop: false }` [INFO] [stderr] Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/fetch_json.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn create() -> Result<(Vec), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5 - pub fn create() -> Result<(Vec), Box> { [INFO] [stdout] 5 + pub fn create() -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/selection_sort.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut tmp = (0, 0); [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: unused variable: `min_order` [INFO] [stdout] --> src/selection_sort.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | let (min_order, value) = tmp; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/selection_sort.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | let (min_order, value) = tmp; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sort_algorithm-f3d65d4fa8a26cb2) [INFO] running `Command { std: "docker" "inspect" "f666222fc21f6050fe71e59ca9db30edd11bda97a88d15c66ac122edb97a59c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f666222fc21f6050fe71e59ca9db30edd11bda97a88d15c66ac122edb97a59c7", kill_on_drop: false }` [INFO] [stdout] f666222fc21f6050fe71e59ca9db30edd11bda97a88d15c66ac122edb97a59c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5d498dfdc9142b22bea89e610db5136c4559e4cc65668b02d5cdb78a25501328 [INFO] running `Command { std: "docker" "start" "-a" "5d498dfdc9142b22bea89e610db5136c4559e4cc65668b02d5cdb78a25501328", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/fetch_json.rs:5:27 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn create() -> Result<(Vec), Box> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 5 - pub fn create() -> Result<(Vec), Box> { [INFO] [stderr] 5 + pub fn create() -> Result, Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/selection_sort.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | let mut tmp = (0, 0); [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: unused variable: `min_order` [INFO] [stderr] --> src/selection_sort.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | let (min_order, value) = tmp; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/selection_sort.rs:14:25 [INFO] [stderr] | [INFO] [stderr] 14 | let (min_order, value) = tmp; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: `sort-algorithm` (bin "sort-algorithm" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sort_algorithm-f3d65d4fa8a26cb2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test selection_sort::test::sort_i32_array ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d498dfdc9142b22bea89e610db5136c4559e4cc65668b02d5cdb78a25501328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d498dfdc9142b22bea89e610db5136c4559e4cc65668b02d5cdb78a25501328", kill_on_drop: false }` [INFO] [stdout] 5d498dfdc9142b22bea89e610db5136c4559e4cc65668b02d5cdb78a25501328