[INFO] fetching crate singleton-cell 0.3.0... [INFO] testing singleton-cell-0.3.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate singleton-cell 0.3.0 into /workspace/builds/worker-87/source [INFO] validating manifest of crates.io crate singleton-cell 0.3.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate singleton-cell 0.3.0 [INFO] finished tweaking crates.io crate singleton-cell 0.3.0 [INFO] tweaked toml for crates.io crate singleton-cell 0.3.0 written to /workspace/builds/worker-87/source/Cargo.toml [INFO] crate crates.io crate singleton-cell 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 956c154bebd8d8b9e3056f6371d7b34c0c695c87e0ac8b61b2e503cc964fb8e8 [INFO] running `Command { std: "docker" "start" "-a" "956c154bebd8d8b9e3056f6371d7b34c0c695c87e0ac8b61b2e503cc964fb8e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "956c154bebd8d8b9e3056f6371d7b34c0c695c87e0ac8b61b2e503cc964fb8e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "956c154bebd8d8b9e3056f6371d7b34c0c695c87e0ac8b61b2e503cc964fb8e8", kill_on_drop: false }` [INFO] [stdout] 956c154bebd8d8b9e3056f6371d7b34c0c695c87e0ac8b61b2e503cc964fb8e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01dc4dd7fff9268018c9a1f706958aed03586bc7816feecd0cc732b517392a4f [INFO] running `Command { std: "docker" "start" "-a" "01dc4dd7fff9268018c9a1f706958aed03586bc7816feecd0cc732b517392a4f", kill_on_drop: false }` [INFO] [stderr] Compiling singleton-trait v0.3.0 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling singleton-cell v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `Command { std: "docker" "inspect" "01dc4dd7fff9268018c9a1f706958aed03586bc7816feecd0cc732b517392a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01dc4dd7fff9268018c9a1f706958aed03586bc7816feecd0cc732b517392a4f", kill_on_drop: false }` [INFO] [stdout] 01dc4dd7fff9268018c9a1f706958aed03586bc7816feecd0cc732b517392a4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c34799f00c6074f875702cdfc892dac50f28503ce2ccd1b1fb6d932a277c5bb [INFO] running `Command { std: "docker" "start" "-a" "6c34799f00c6074f875702cdfc892dac50f28503ce2ccd1b1fb6d932a277c5bb", kill_on_drop: false }` [INFO] [stderr] Compiling singleton-cell v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new_erased` [INFO] [stdout] --> src/lib.rs:333:21 [INFO] [stdout] | [INFO] [stdout] 333 | / pub [INFO] [stdout] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stdout] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stdout] 336 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 422 | new_singleton!(pub A); [INFO] [stdout] | ---------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_erased` [INFO] [stdout] --> src/lib.rs:333:21 [INFO] [stdout] | [INFO] [stdout] 333 | / pub [INFO] [stdout] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stdout] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stdout] 336 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 429 | new_singleton!(pub A); [INFO] [stdout] | ---------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_erased` [INFO] [stdout] --> src/lib.rs:333:21 [INFO] [stdout] | [INFO] [stdout] 333 | / pub [INFO] [stdout] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stdout] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stdout] 336 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 430 | new_singleton!(pub B); [INFO] [stdout] | ---------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (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 test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "6c34799f00c6074f875702cdfc892dac50f28503ce2ccd1b1fb6d932a277c5bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c34799f00c6074f875702cdfc892dac50f28503ce2ccd1b1fb6d932a277c5bb", kill_on_drop: false }` [INFO] [stdout] 6c34799f00c6074f875702cdfc892dac50f28503ce2ccd1b1fb6d932a277c5bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7a2ca9f38fa03ae9e6479c79bbd5ff38410862a285a1a69fabe31d5ef5b34c7d [INFO] running `Command { std: "docker" "start" "-a" "7a2ca9f38fa03ae9e6479c79bbd5ff38410862a285a1a69fabe31d5ef5b34c7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `new_erased` [INFO] [stderr] --> src/lib.rs:333:21 [INFO] [stderr] | [INFO] [stderr] 333 | / pub [INFO] [stderr] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stderr] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stderr] 336 | | } [INFO] [stderr] | |_____________________^ [INFO] [stderr] ... [INFO] [stderr] 422 | new_singleton!(pub A); [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_erased` [INFO] [stderr] --> src/lib.rs:333:21 [INFO] [stderr] | [INFO] [stderr] 333 | / pub [INFO] [stderr] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stderr] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stderr] 336 | | } [INFO] [stderr] | |_____________________^ [INFO] [stderr] ... [INFO] [stderr] 429 | new_singleton!(pub A); [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_erased` [INFO] [stderr] --> src/lib.rs:333:21 [INFO] [stderr] | [INFO] [stderr] 333 | / pub [INFO] [stderr] 334 | | fn new_erased() -> Option<::singleton_trait::Erased> { [INFO] [stderr] 335 | | Self::new().map(|x| ::singleton_trait::Erased::new(x)) [INFO] [stderr] 336 | | } [INFO] [stderr] | |_____________________^ [INFO] [stderr] ... [INFO] [stderr] 430 | new_singleton!(pub B); [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `singleton-cell` (lib test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/singleton_cell-506ebb82ccd9e0f9) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stderr] Doc-tests singleton-cell [INFO] [stdout] test tests::ghost_read_after_write ... ok [INFO] [stdout] test tests::ghost_trivial ... ok [INFO] [stdout] test tests::global_singleton_distinct ... ok [INFO] [stdout] test tests::global_singleton_unique ... ok [INFO] [stdout] test tests::local_type_round_trip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - with_token (line 240) ... ok [INFO] [stdout] test src/lib.rs - new_singleton (line 270) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a2ca9f38fa03ae9e6479c79bbd5ff38410862a285a1a69fabe31d5ef5b34c7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a2ca9f38fa03ae9e6479c79bbd5ff38410862a285a1a69fabe31d5ef5b34c7d", kill_on_drop: false }` [INFO] [stdout] 7a2ca9f38fa03ae9e6479c79bbd5ff38410862a285a1a69fabe31d5ef5b34c7d