[INFO] cloning repository https://github.com/dbrgn/rusty-santa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/rusty-santa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27a2d55bd71ee570ed194d5e7304922ad8def43c [INFO] testing dbrgn/rusty-santa against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dbrgn/rusty-santa 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/dbrgn/rusty-santa [INFO] finished tweaking git repo https://github.com/dbrgn/rusty-santa [INFO] tweaked toml for git repo https://github.com/dbrgn/rusty-santa written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/dbrgn/rusty-santa 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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] fd61dbf43754f4e5f02dd9d7b0681150de41fd3d503735d852a843980299d1c0 [INFO] running `Command { std: "docker" "start" "-a" "fd61dbf43754f4e5f02dd9d7b0681150de41fd3d503735d852a843980299d1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd61dbf43754f4e5f02dd9d7b0681150de41fd3d503735d852a843980299d1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd61dbf43754f4e5f02dd9d7b0681150de41fd3d503735d852a843980299d1c0", kill_on_drop: false }` [INFO] [stdout] fd61dbf43754f4e5f02dd9d7b0681150de41fd3d503735d852a843980299d1c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] b2648d6c30e1cd754cf202a887706d242c6dc1153b3cb4c4af5c2852336b6bad [INFO] running `Command { std: "docker" "start" "-a" "b2648d6c30e1cd754cf202a887706d242c6dc1153b3cb4c4af5c2852336b6bad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling lazy_static v0.2.9 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling rprompt v1.0.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling colored v1.5.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir/rusty-santa) [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> rusty-santa/src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> rusty-santa/src/lib.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling rusty-santa-cli v0.1.0 (/opt/rustwide/workdir/rusty-santa-cli) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.82s [INFO] running `Command { std: "docker" "inspect" "b2648d6c30e1cd754cf202a887706d242c6dc1153b3cb4c4af5c2852336b6bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2648d6c30e1cd754cf202a887706d242c6dc1153b3cb4c4af5c2852336b6bad", kill_on_drop: false }` [INFO] [stdout] b2648d6c30e1cd754cf202a887706d242c6dc1153b3cb4c4af5c2852336b6bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 0da1bac29be01ec05a4cd0f0080747b5d5dbe8c8cf7a1a13d2b4a2eea8cfe0f0 [INFO] running `Command { std: "docker" "start" "-a" "0da1bac29be01ec05a4cd0f0080747b5d5dbe8c8cf7a1a13d2b4a2eea8cfe0f0", kill_on_drop: false }` [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir/rusty-santa) [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> rusty-santa/src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rusty-santa-cli v0.1.0 (/opt/rustwide/workdir/rusty-santa-cli) [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> rusty-santa/src/lib.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> rusty-santa/src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | for i in 0..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rusty-santa/src/lib.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | let mut matrix = Matrix::new(keys); [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 `Result` that must be used [INFO] [stdout] --> rusty-santa/src/lib.rs:358:13 [INFO] [stdout] | [INFO] [stdout] 358 | group.assign(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "0da1bac29be01ec05a4cd0f0080747b5d5dbe8c8cf7a1a13d2b4a2eea8cfe0f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0da1bac29be01ec05a4cd0f0080747b5d5dbe8c8cf7a1a13d2b4a2eea8cfe0f0", kill_on_drop: false }` [INFO] [stdout] 0da1bac29be01ec05a4cd0f0080747b5d5dbe8c8cf7a1a13d2b4a2eea8cfe0f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] c5745c1c46e7880464159fd833c67a0bf103302bd92335b9316ed4da55dc762e [INFO] running `Command { std: "docker" "start" "-a" "c5745c1c46e7880464159fd833c67a0bf103302bd92335b9316ed4da55dc762e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stderr] --> rusty-santa/src/lib.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> rusty-santa/src/lib.rs:103:12 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn size(&self) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rusty-santa` (lib) generated 2 warnings [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> rusty-santa/src/lib.rs:357:13 [INFO] [stderr] | [INFO] [stderr] 357 | for i in 0..1000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> rusty-santa/src/lib.rs:279:13 [INFO] [stderr] | [INFO] [stderr] 279 | let mut matrix = Matrix::new(keys); [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 `Result` that must be used [INFO] [stderr] --> rusty-santa/src/lib.rs:358:13 [INFO] [stderr] | [INFO] [stderr] 358 | group.assign(); [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: `rusty-santa` (lib test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 25.84s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_santa-b036726b89e80cf4) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::matrix_contains ... ok [INFO] [stdout] test tests::matrix_init ... ok [INFO] [stdout] test tests::matrix_set ... ok [INFO] [stdout] test tests::matrix_get_row ... ok [INFO] [stdout] test tests::group_simple ... ok [INFO] [stdout] test tests::matrix_size ... ok [INFO] [stdout] test tests::group_may_fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_santa_cli-552d77f9fe4cb323) [INFO] [stderr] Doc-tests rusty-santa [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] [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" "c5745c1c46e7880464159fd833c67a0bf103302bd92335b9316ed4da55dc762e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5745c1c46e7880464159fd833c67a0bf103302bd92335b9316ed4da55dc762e", kill_on_drop: false }` [INFO] [stdout] c5745c1c46e7880464159fd833c67a0bf103302bd92335b9316ed4da55dc762e