[INFO] cloning repository https://github.com/swordsmanluke/countdown [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swordsmanluke/countdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Fcountdown", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Fcountdown'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ce2ed9cc8fcbd4e0990fefe5a4f2d28f3aaa578 [INFO] testing swordsmanluke/countdown against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Fcountdown" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/swordsmanluke/countdown on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/swordsmanluke/countdown [INFO] finished tweaking git repo https://github.com/swordsmanluke/countdown [INFO] tweaked toml for git repo https://github.com/swordsmanluke/countdown written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/swordsmanluke/countdown already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8466d17939c80c3aa255157fd48a2dadb83ec6bd70f951448e166532b4f4c927 [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" "8466d17939c80c3aa255157fd48a2dadb83ec6bd70f951448e166532b4f4c927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8466d17939c80c3aa255157fd48a2dadb83ec6bd70f951448e166532b4f4c927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8466d17939c80c3aa255157fd48a2dadb83ec6bd70f951448e166532b4f4c927", kill_on_drop: false }` [INFO] [stdout] 8466d17939c80c3aa255157fd48a2dadb83ec6bd70f951448e166532b4f4c927 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 65c1f162d2978fad19a6ae24d1b5fd7e23d30b7233fe75a0b753648bfae3ae21 [INFO] running `Command { std: "docker" "start" "-a" "65c1f162d2978fad19a6ae24d1b5fd7e23d30b7233fe75a0b753648bfae3ae21", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling countdown v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `timers` [INFO] [stdout] --> src/countdown.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn timers(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotFound` [INFO] [stdout] --> src/countdown/countdown_serializer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | NotFound(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `CountdownError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/countdown/countdown_serializer.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SaveError` [INFO] [stdout] --> src/countdown/countdown_serializer.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | SaveError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `CountdownError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/countdown/countdown_serializer.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.59s [INFO] running `Command { std: "docker" "inspect" "65c1f162d2978fad19a6ae24d1b5fd7e23d30b7233fe75a0b753648bfae3ae21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c1f162d2978fad19a6ae24d1b5fd7e23d30b7233fe75a0b753648bfae3ae21", kill_on_drop: false }` [INFO] [stdout] 65c1f162d2978fad19a6ae24d1b5fd7e23d30b7233fe75a0b753648bfae3ae21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] bdac96df5b51a0664b23a391dd987c2891eafc19f23c0a29b690a7897e09fcb8 [INFO] running `Command { std: "docker" "start" "-a" "bdac96df5b51a0664b23a391dd987c2891eafc19f23c0a29b690a7897e09fcb8", kill_on_drop: false }` [INFO] [stderr] Compiling countdown v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `SaveError` [INFO] [stdout] --> src/countdown/countdown_serializer.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | SaveError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `CountdownError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/countdown/countdown_serializer.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/countdown.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | ctr.add_timer(name, duration); [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: unused `Result` that must be used [INFO] [stdout] --> src/countdown.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | ctr.add_timer(name, duration); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/countdown.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | ctr.cancel_timer(name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/countdown.rs:254:9 [INFO] [stdout] | [INFO] [stdout] 254 | ctr.add_timer(name, duration); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 test [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "bdac96df5b51a0664b23a391dd987c2891eafc19f23c0a29b690a7897e09fcb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdac96df5b51a0664b23a391dd987c2891eafc19f23c0a29b690a7897e09fcb8", kill_on_drop: false }` [INFO] [stdout] bdac96df5b51a0664b23a391dd987c2891eafc19f23c0a29b690a7897e09fcb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 1acddf98d3ece0717c5f0fd30830025752f811123e278ce1c60af8ce12e44650 [INFO] running `Command { std: "docker" "start" "-a" "1acddf98d3ece0717c5f0fd30830025752f811123e278ce1c60af8ce12e44650", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `SaveError` [INFO] [stderr] --> src/countdown/countdown_serializer.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | SaveError(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `CountdownError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/countdown/countdown_serializer.rs:6:10 [INFO] [stderr] | [INFO] [stderr] 6 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/countdown.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | ctr.add_timer(name, duration); [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: unused `Result` that must be used [INFO] [stderr] --> src/countdown.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | ctr.add_timer(name, duration); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/countdown.rs:244:9 [INFO] [stderr] | [INFO] [stderr] 244 | ctr.cancel_timer(name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/countdown.rs:254:9 [INFO] [stderr] | [INFO] [stderr] 254 | ctr.add_timer(name, duration); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `countdown` (bin "countdown" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/countdown-e2c56949885cd120) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test countdown::tests::count_down_calculates_correct_remaining_time ... ok [INFO] [stdout] test countdown::tests::count_down_returns_zero_if_past_time ... ok [INFO] [stdout] test countdown::tests::display_prints_out_timers ... ok [INFO] [stdout] test countdown::tests::cancel_removes_created_countdown ... ok [INFO] [stdout] test countdown::tests::add_new_creates_a_new_countdown ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1acddf98d3ece0717c5f0fd30830025752f811123e278ce1c60af8ce12e44650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1acddf98d3ece0717c5f0fd30830025752f811123e278ce1c60af8ce12e44650", kill_on_drop: false }` [INFO] [stdout] 1acddf98d3ece0717c5f0fd30830025752f811123e278ce1c60af8ce12e44650