[INFO] cloning repository https://github.com/AndyDSM/conwayprofile-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndyDSM/conwayprofile-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 653d292cc65ba0da8b4c5902dc6713be36c7746c [INFO] testing AndyDSM/conwayprofile-rust against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AndyDSM/conwayprofile-rust on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AndyDSM/conwayprofile-rust [INFO] finished tweaking git repo https://github.com/AndyDSM/conwayprofile-rust [INFO] tweaked toml for git repo https://github.com/AndyDSM/conwayprofile-rust written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/AndyDSM/conwayprofile-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 351f1a9440cf7522b11ce10a59efbb3e66ac510b0f39b6141912e8b9a3a4adac [INFO] running `Command { std: "docker" "start" "-a" "351f1a9440cf7522b11ce10a59efbb3e66ac510b0f39b6141912e8b9a3a4adac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "351f1a9440cf7522b11ce10a59efbb3e66ac510b0f39b6141912e8b9a3a4adac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "351f1a9440cf7522b11ce10a59efbb3e66ac510b0f39b6141912e8b9a3a4adac", kill_on_drop: false }` [INFO] [stdout] 351f1a9440cf7522b11ce10a59efbb3e66ac510b0f39b6141912e8b9a3a4adac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3e6a8c4e94fb1a3c3ffc60c673a85691e1c3c483b974dc447546fedf9c44148 [INFO] running `Command { std: "docker" "start" "-a" "f3e6a8c4e94fb1a3c3ffc60c673a85691e1c3c483b974dc447546fedf9c44148", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling gif v0.10.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling conwayprofile v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:199:58 [INFO] [stdout] | [INFO] [stdout] 199 | let mut image = File::create(&filename[..]).unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrap` [INFO] [stdout] --> src/lib.rs:90:43 [INFO] [stdout] | [INFO] [stdout] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_wrap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | for i in 0..max { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut next_board = self.board_next(&r[last], true); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.35s [INFO] running `Command { std: "docker" "inspect" "f3e6a8c4e94fb1a3c3ffc60c673a85691e1c3c483b974dc447546fedf9c44148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3e6a8c4e94fb1a3c3ffc60c673a85691e1c3c483b974dc447546fedf9c44148", kill_on_drop: false }` [INFO] [stdout] f3e6a8c4e94fb1a3c3ffc60c673a85691e1c3c483b974dc447546fedf9c44148 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10796713aae7de1b372c5903ac1301ad8ce2a361e333ad14acd2578e11f2505e [INFO] running `Command { std: "docker" "start" "-a" "10796713aae7de1b372c5903ac1301ad8ce2a361e333ad14acd2578e11f2505e", kill_on_drop: false }` [INFO] [stderr] Compiling conwayprofile v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:199:58 [INFO] [stdout] | [INFO] [stdout] 199 | let mut image = File::create(&filename[..]).unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrap` [INFO] [stdout] --> src/lib.rs:90:43 [INFO] [stdout] | [INFO] [stdout] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_wrap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | for i in 0..max { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut next_board = self.board_next(&r[last], true); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:199:58 [INFO] [stdout] | [INFO] [stdout] 199 | let mut image = File::create(&filename[..]).unwrap();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrap` [INFO] [stdout] --> src/lib.rs:90:43 [INFO] [stdout] | [INFO] [stdout] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_wrap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | for i in 0..max { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut next_board = self.board_next(&r[last], true); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "10796713aae7de1b372c5903ac1301ad8ce2a361e333ad14acd2578e11f2505e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10796713aae7de1b372c5903ac1301ad8ce2a361e333ad14acd2578e11f2505e", kill_on_drop: false }` [INFO] [stdout] 10796713aae7de1b372c5903ac1301ad8ce2a361e333ad14acd2578e11f2505e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8c61985b2a033723f6dd9546f206ae4f7547e39b98bda6e9a773fc2187c522e7 [INFO] running `Command { std: "docker" "start" "-a" "8c61985b2a033723f6dd9546f206ae4f7547e39b98bda6e9a773fc2187c522e7", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:199:58 [INFO] [stderr] | [INFO] [stderr] 199 | let mut image = File::create(&filename[..]).unwrap();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrap` [INFO] [stderr] --> src/lib.rs:90:43 [INFO] [stderr] | [INFO] [stderr] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_wrap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | for i in 0..max { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut next_board = self.board_next(&r[last], true); [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: `conwayprofile` (lib) generated 4 warnings [INFO] [stderr] warning: `conwayprofile` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/conwayprofile-314510f8789e7c55) [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] Running unittests (/opt/rustwide/target/debug/deps/conwayprofile-2cafa2425250adfe) [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] Doc-tests conwayprofile [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:199:58 [INFO] [stderr] | [INFO] [stderr] 199 | let mut image = File::create(&filename[..]).unwrap();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning 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" "8c61985b2a033723f6dd9546f206ae4f7547e39b98bda6e9a773fc2187c522e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c61985b2a033723f6dd9546f206ae4f7547e39b98bda6e9a773fc2187c522e7", kill_on_drop: false }` [INFO] [stdout] 8c61985b2a033723f6dd9546f206ae4f7547e39b98bda6e9a773fc2187c522e7