[INFO] fetching crate handoff_counter 0.8.5... [INFO] testing handoff_counter-0.8.5 against 1.55.0 for beta-1.56-1 [INFO] extracting crate handoff_counter 0.8.5 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate handoff_counter 0.8.5 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 crates.io crate handoff_counter 0.8.5 [INFO] finished tweaking crates.io crate handoff_counter 0.8.5 [INFO] tweaked toml for crates.io crate handoff_counter 0.8.5 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9064b92782723489f1381d17d1a28d451589922e6a986ced0ade2868db9f2494 [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" "9064b92782723489f1381d17d1a28d451589922e6a986ced0ade2868db9f2494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9064b92782723489f1381d17d1a28d451589922e6a986ced0ade2868db9f2494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9064b92782723489f1381d17d1a28d451589922e6a986ced0ade2868db9f2494", kill_on_drop: false }` [INFO] [stdout] 9064b92782723489f1381d17d1a28d451589922e6a986ced0ade2868db9f2494 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 26c2e6a8ec7029b7cc7f9c17f622dc8fa2a5e58a11f3da88bd833bdd58186607 [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" "26c2e6a8ec7029b7cc7f9c17f622dc8fa2a5e58a11f3da88bd833bdd58186607", kill_on_drop: false }` [INFO] [stderr] Compiling handoff_counter v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Env` [INFO] [stdout] --> src/bin/simulate.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "26c2e6a8ec7029b7cc7f9c17f622dc8fa2a5e58a11f3da88bd833bdd58186607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26c2e6a8ec7029b7cc7f9c17f622dc8fa2a5e58a11f3da88bd833bdd58186607", kill_on_drop: false }` [INFO] [stdout] 26c2e6a8ec7029b7cc7f9c17f622dc8fa2a5e58a11f3da88bd833bdd58186607 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] be9882a066396a205623ee606525d357802d5f39d0baef10f10e4e6ed903989b [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" "be9882a066396a205623ee606525d357802d5f39d0baef10f10e4e6ed903989b", kill_on_drop: false }` [INFO] [stderr] Compiling handoff_counter v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Env` [INFO] [stdout] --> src/bin/simulate.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "be9882a066396a205623ee606525d357802d5f39d0baef10f10e4e6ed903989b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9882a066396a205623ee606525d357802d5f39d0baef10f10e4e6ed903989b", kill_on_drop: false }` [INFO] [stdout] be9882a066396a205623ee606525d357802d5f39d0baef10f10e4e6ed903989b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7a3dd7a5702068639676f6453f970ed58d6f1412fd8913cd098706ec207f51cb [INFO] running `Command { std: "docker" "start" "-a" "7a3dd7a5702068639676f6453f970ed58d6f1412fd8913cd098706ec207f51cb", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/handoff_counter.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [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: `handoff_counter` (lib) generated 1 warning [INFO] [stderr] warning: type alias is never used: `Env` [INFO] [stderr] --> src/bin/simulate.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `handoff_counter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `handoff_counter` (bin "simulate" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/handoff_counter-2173e74abf8006f9) [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/simulate-81ecbd03eac0d37e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::random_trace_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.23s [INFO] [stdout] [INFO] [stderr] Doc-tests handoff_counter [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" "7a3dd7a5702068639676f6453f970ed58d6f1412fd8913cd098706ec207f51cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a3dd7a5702068639676f6453f970ed58d6f1412fd8913cd098706ec207f51cb", kill_on_drop: false }` [INFO] [stdout] 7a3dd7a5702068639676f6453f970ed58d6f1412fd8913cd098706ec207f51cb