[INFO] fetching crate gravitron_utils 0.1.5... [INFO] testing gravitron_utils-0.1.5 against 1.90.0 for beta-1.91-3 [INFO] extracting crate gravitron_utils 0.1.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate gravitron_utils 0.1.5 [INFO] finished tweaking crates.io crate gravitron_utils 0.1.5 [INFO] tweaked toml for crates.io crate gravitron_utils 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gravitron_utils 0.1.5 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate gravitron_utils 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f74235eb3d8bb15496f16808972b5ee91a58baac7ce63a3de6c6c47cea29124 [INFO] running `Command { std: "docker" "start" "-a" "2f74235eb3d8bb15496f16808972b5ee91a58baac7ce63a3de6c6c47cea29124", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f74235eb3d8bb15496f16808972b5ee91a58baac7ce63a3de6c6c47cea29124", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f74235eb3d8bb15496f16808972b5ee91a58baac7ce63a3de6c6c47cea29124", kill_on_drop: false }` [INFO] [stdout] 2f74235eb3d8bb15496f16808972b5ee91a58baac7ce63a3de6c6c47cea29124 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7156140ae4920e4a39cfabf6dc357a9987e79042c841967c95e9080f33b6d501 [INFO] running `Command { std: "docker" "start" "-a" "7156140ae4920e4a39cfabf6dc357a9987e79042c841967c95e9080f33b6d501", kill_on_drop: false }` [INFO] [stderr] Compiling gravitron_utils v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/mutator.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard { [INFO] [stdout] | ^^^^^ ------------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "7156140ae4920e4a39cfabf6dc357a9987e79042c841967c95e9080f33b6d501", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7156140ae4920e4a39cfabf6dc357a9987e79042c841967c95e9080f33b6d501", kill_on_drop: false }` [INFO] [stdout] 7156140ae4920e4a39cfabf6dc357a9987e79042c841967c95e9080f33b6d501 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 669b1e3b0bcfdb8d933304b12db6f833dc85d89f52ff2f46cc61ee27b2d52ac7 [INFO] running `Command { std: "docker" "start" "-a" "669b1e3b0bcfdb8d933304b12db6f833dc85d89f52ff2f46cc61ee27b2d52ac7", kill_on_drop: false }` [INFO] [stderr] Compiling gravitron_utils v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/mutator.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard { [INFO] [stdout] | ^^^^^ ------------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/mutator.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard { [INFO] [stdout] | ^^^^^ ------------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "669b1e3b0bcfdb8d933304b12db6f833dc85d89f52ff2f46cc61ee27b2d52ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "669b1e3b0bcfdb8d933304b12db6f833dc85d89f52ff2f46cc61ee27b2d52ac7", kill_on_drop: false }` [INFO] [stdout] 669b1e3b0bcfdb8d933304b12db6f833dc85d89f52ff2f46cc61ee27b2d52ac7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 85983be89038824f03339239933a5360aa8fa6ab02b9182b23bf2a8edba72a43 [INFO] running `Command { std: "docker" "start" "-a" "85983be89038824f03339239933a5360aa8fa6ab02b9182b23bf2a8edba72a43", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/thread/mutator.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn get(&self) -> std::sync::MutexGuard { [INFO] [stderr] | ^^^^^ ------------------------ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 19 | pub fn get(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `gravitron_utils` (lib) generated 1 warning [INFO] [stderr] warning: `gravitron_utils` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gravitron_utils-54bfe7149b7dd634) [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 gravitron_utils [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" "85983be89038824f03339239933a5360aa8fa6ab02b9182b23bf2a8edba72a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85983be89038824f03339239933a5360aa8fa6ab02b9182b23bf2a8edba72a43", kill_on_drop: false }` [INFO] [stdout] 85983be89038824f03339239933a5360aa8fa6ab02b9182b23bf2a8edba72a43