[INFO] fetching crate lark-collections 0.1.0... [INFO] testing lark-collections-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate lark-collections 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lark-collections 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lark-collections 0.1.0 [INFO] finished tweaking crates.io crate lark-collections 0.1.0 [INFO] tweaked toml for crates.io crate lark-collections 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3978d89dda342a749db5264ab9e6d3768d6fc89d96f86789216051907a09ccb4 [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" "3978d89dda342a749db5264ab9e6d3768d6fc89d96f86789216051907a09ccb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3978d89dda342a749db5264ab9e6d3768d6fc89d96f86789216051907a09ccb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3978d89dda342a749db5264ab9e6d3768d6fc89d96f86789216051907a09ccb4", kill_on_drop: false }` [INFO] [stdout] 3978d89dda342a749db5264ab9e6d3768d6fc89d96f86789216051907a09ccb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 705ee608d62956ddb25f7ca00bd8633e129470559ce211fda70df84f10b8f907 [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" "705ee608d62956ddb25f7ca00bd8633e129470559ce211fda70df84f10b8f907", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling lark-debug-with v0.1.0 [INFO] [stderr] Compiling lark-collections v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "705ee608d62956ddb25f7ca00bd8633e129470559ce211fda70df84f10b8f907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "705ee608d62956ddb25f7ca00bd8633e129470559ce211fda70df84f10b8f907", kill_on_drop: false }` [INFO] [stdout] 705ee608d62956ddb25f7ca00bd8633e129470559ce211fda70df84f10b8f907 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e10d4799cf76ac6412d6590f8f7c347622aa8480b13ca18fab3d022ac5950694 [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" "e10d4799cf76ac6412d6590f8f7c347622aa8480b13ca18fab3d022ac5950694", kill_on_drop: false }` [INFO] [stderr] Compiling lark-collections v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "e10d4799cf76ac6412d6590f8f7c347622aa8480b13ca18fab3d022ac5950694", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e10d4799cf76ac6412d6590f8f7c347622aa8480b13ca18fab3d022ac5950694", kill_on_drop: false }` [INFO] [stdout] e10d4799cf76ac6412d6590f8f7c347622aa8480b13ca18fab3d022ac5950694 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 371d96012fd052d78148e053a77b4cf419a964b845440d449d740bca81cbe7b1 [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" "371d96012fd052d78148e053a77b4cf419a964b845440d449d740bca81cbe7b1", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lark_collections-6dfb68656446db16 [INFO] [stdout] running 8 tests [INFO] [stdout] test test::eq_same ... ok [INFO] [stdout] test test::extend_extracted ... ok [INFO] [stdout] test test::extend_cloned ... ok [INFO] [stdout] test test::extend_non_empty ... ok [INFO] [stdout] test test::extend_select ... ok [INFO] [stdout] test test::extend_empty ... ok [INFO] [stdout] test test::ne ... ok [INFO] [stdout] test test::eq_select ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests lark-collections [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - index_type (line 26) ... ignored [INFO] [stdout] test src/lib.rs - index_type (line 57) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "371d96012fd052d78148e053a77b4cf419a964b845440d449d740bca81cbe7b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "371d96012fd052d78148e053a77b4cf419a964b845440d449d740bca81cbe7b1", kill_on_drop: false }` [INFO] [stdout] 371d96012fd052d78148e053a77b4cf419a964b845440d449d740bca81cbe7b1