[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 beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frusty-santa" "/workspace/builds/worker-23/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dbrgn/rusty-santa 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/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-23/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" "+beta-2022-04-10" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 42599b0099df1da3b53ebf5c09347cba81420785422e4280288965b9bfa9501e [INFO] running `Command { std: "docker" "start" "-a" "42599b0099df1da3b53ebf5c09347cba81420785422e4280288965b9bfa9501e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42599b0099df1da3b53ebf5c09347cba81420785422e4280288965b9bfa9501e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42599b0099df1da3b53ebf5c09347cba81420785422e4280288965b9bfa9501e", kill_on_drop: false }` [INFO] [stdout] 42599b0099df1da3b53ebf5c09347cba81420785422e4280288965b9bfa9501e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 4dc0e801c1323d893d9bd6630f8b2dae1db8eddae54c25e7ba0dbcb22893045b [INFO] running `Command { std: "docker" "start" "-a" "4dc0e801c1323d893d9bd6630f8b2dae1db8eddae54c25e7ba0dbcb22893045b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling lazy_static v0.2.9 [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 thread_local v0.3.4 [INFO] [stderr] Compiling colored v1.5.3 [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 5.47s [INFO] running `Command { std: "docker" "inspect" "4dc0e801c1323d893d9bd6630f8b2dae1db8eddae54c25e7ba0dbcb22893045b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dc0e801c1323d893d9bd6630f8b2dae1db8eddae54c25e7ba0dbcb22893045b", kill_on_drop: false }` [INFO] [stdout] 4dc0e801c1323d893d9bd6630f8b2dae1db8eddae54c25e7ba0dbcb22893045b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 64dfb3d78d900cc117991ceccf79ecc8bef59cce327af885476570b4422a5795 [INFO] running `Command { std: "docker" "start" "-a" "64dfb3d78d900cc117991ceccf79ecc8bef59cce327af885476570b4422a5795", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 rusty-santa-cli v0.1.0 (/opt/rustwide/workdir/rusty-santa-cli) [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir/rusty-santa) [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 1.07s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_santa-04811e4a20768c60) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_santa_cli-a5f7581e99abd4ca) [INFO] running `Command { std: "docker" "inspect" "64dfb3d78d900cc117991ceccf79ecc8bef59cce327af885476570b4422a5795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64dfb3d78d900cc117991ceccf79ecc8bef59cce327af885476570b4422a5795", kill_on_drop: false }` [INFO] [stdout] 64dfb3d78d900cc117991ceccf79ecc8bef59cce327af885476570b4422a5795 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] e2422b6c1256e25f881388a75350451f20474839b35762f6e563fe2a7d072eea [INFO] running `Command { std: "docker" "start" "-a" "e2422b6c1256e25f881388a75350451f20474839b35762f6e563fe2a7d072eea", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stdout] running 7 tests [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 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_santa-04811e4a20768c60) [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::matrix_size ... ok [INFO] [stdout] test tests::group_simple ... 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 0.15s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_santa_cli-a5f7581e99abd4ca) [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 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] running `Command { std: "docker" "inspect" "e2422b6c1256e25f881388a75350451f20474839b35762f6e563fe2a7d072eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2422b6c1256e25f881388a75350451f20474839b35762f6e563fe2a7d072eea", kill_on_drop: false }` [INFO] [stdout] e2422b6c1256e25f881388a75350451f20474839b35762f6e563fe2a7d072eea