[INFO] fetching crate singleton-cell 0.3.0... [INFO] testing singleton-cell-0.3.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate singleton-cell 0.3.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate singleton-cell 0.3.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-5/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cacccdf8dcf57ffe987d7924b538f48813c87e2883533d392024759056cc05fc [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" "cacccdf8dcf57ffe987d7924b538f48813c87e2883533d392024759056cc05fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cacccdf8dcf57ffe987d7924b538f48813c87e2883533d392024759056cc05fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cacccdf8dcf57ffe987d7924b538f48813c87e2883533d392024759056cc05fc", kill_on_drop: false }` [INFO] [stdout] cacccdf8dcf57ffe987d7924b538f48813c87e2883533d392024759056cc05fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 1fe0c1ba1c6ab84bf946b38e5ee81a706b0af0028f4fa75ada999a6620098afa [INFO] running `Command { std: "docker" "start" "-a" "1fe0c1ba1c6ab84bf946b38e5ee81a706b0af0028f4fa75ada999a6620098afa", kill_on_drop: false }` [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling singleton-trait v0.3.0 [INFO] [stderr] Compiling singleton-cell v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "1fe0c1ba1c6ab84bf946b38e5ee81a706b0af0028f4fa75ada999a6620098afa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe0c1ba1c6ab84bf946b38e5ee81a706b0af0028f4fa75ada999a6620098afa", kill_on_drop: false }` [INFO] [stdout] 1fe0c1ba1c6ab84bf946b38e5ee81a706b0af0028f4fa75ada999a6620098afa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dae8ba7d0b31226e8b00586d2b51ca995be561562c81873db8ea7440887f0f5a [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" "dae8ba7d0b31226e8b00586d2b51ca995be561562c81873db8ea7440887f0f5a", 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 0.70s [INFO] running `Command { std: "docker" "inspect" "dae8ba7d0b31226e8b00586d2b51ca995be561562c81873db8ea7440887f0f5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dae8ba7d0b31226e8b00586d2b51ca995be561562c81873db8ea7440887f0f5a", kill_on_drop: false }` [INFO] [stdout] dae8ba7d0b31226e8b00586d2b51ca995be561562c81873db8ea7440887f0f5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 3a9eb55ec7ddbb40516d4fc40d2c8b9a1e924c5aca5beed0361409d2c36f1f9d [INFO] running `Command { std: "docker" "start" "-a" "3a9eb55ec7ddbb40516d4fc40d2c8b9a1e924c5aca5beed0361409d2c36f1f9d", kill_on_drop: false }` [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/singleton_cell-178741afcfe16d9e) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::ghost_trivial ... ok [INFO] [stdout] test tests::global_singleton_distinct ... ok [INFO] [stdout] test tests::local_type_round_trip ... ok [INFO] [stdout] test tests::ghost_read_after_write ... ok [INFO] [stdout] test tests::global_singleton_unique ... 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] [stderr] Doc-tests singleton-cell [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 0.68s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3a9eb55ec7ddbb40516d4fc40d2c8b9a1e924c5aca5beed0361409d2c36f1f9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a9eb55ec7ddbb40516d4fc40d2c8b9a1e924c5aca5beed0361409d2c36f1f9d", kill_on_drop: false }` [INFO] [stdout] 3a9eb55ec7ddbb40516d4fc40d2c8b9a1e924c5aca5beed0361409d2c36f1f9d