[INFO] fetching crate init-once 0.6.1... [INFO] testing init-once-0.6.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate init-once 0.6.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate init-once 0.6.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate init-once 0.6.1 [INFO] tweaked toml for crates.io crate init-once 0.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate init-once 0.6.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate init-once 0.6.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ce7b29a70de4ac4e9d4a4669d70a15688fd54699efb438432851187ca001f58 [INFO] running `Command { std: "docker" "start" "-a" "5ce7b29a70de4ac4e9d4a4669d70a15688fd54699efb438432851187ca001f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ce7b29a70de4ac4e9d4a4669d70a15688fd54699efb438432851187ca001f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce7b29a70de4ac4e9d4a4669d70a15688fd54699efb438432851187ca001f58", kill_on_drop: false }` [INFO] [stdout] 5ce7b29a70de4ac4e9d4a4669d70a15688fd54699efb438432851187ca001f58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d874fac5a81cd3855637045908af60b653f9d6c775131bbaa65e96d97ac55d1c [INFO] running `Command { std: "docker" "start" "-a" "d874fac5a81cd3855637045908af60b653f9d6c775131bbaa65e96d97ac55d1c", kill_on_drop: false }` [INFO] [stderr] Compiling portable-atomic v1.7.0 [INFO] [stderr] Compiling init-once v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:214:43 [INFO] [stdout] | [INFO] [stdout] 214 | pub async fn init_async(&mut self, mut init: F) -> &'init_once T [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "d874fac5a81cd3855637045908af60b653f9d6c775131bbaa65e96d97ac55d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d874fac5a81cd3855637045908af60b653f9d6c775131bbaa65e96d97ac55d1c", kill_on_drop: false }` [INFO] [stdout] d874fac5a81cd3855637045908af60b653f9d6c775131bbaa65e96d97ac55d1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 016490b3c530db15b02e86f5a1db39230e91e521f4c726869c90f4be4af52ef9 [INFO] running `Command { std: "docker" "start" "-a" "016490b3c530db15b02e86f5a1db39230e91e521f4c726869c90f4be4af52ef9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling bytes v1.6.1 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:214:43 [INFO] [stdout] | [INFO] [stdout] 214 | pub async fn init_async(&mut self, mut init: F) -> &'init_once T [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling mio v1.0.1 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling tokio v1.39.1 [INFO] [stderr] Compiling init-once v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:214:43 [INFO] [stdout] | [INFO] [stdout] 214 | pub async fn init_async(&mut self, mut init: F) -> &'init_once T [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:525:17 [INFO] [stdout] | [INFO] [stdout] 525 | let mut future = once.init_async(async { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 16.79s [INFO] running `Command { std: "docker" "inspect" "016490b3c530db15b02e86f5a1db39230e91e521f4c726869c90f4be4af52ef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "016490b3c530db15b02e86f5a1db39230e91e521f4c726869c90f4be4af52ef9", kill_on_drop: false }` [INFO] [stdout] 016490b3c530db15b02e86f5a1db39230e91e521f4c726869c90f4be4af52ef9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 40a7941adf5d886c909c7eb4369dfbf32960c3dac9d49c74a9d96ae1315368b1 [INFO] running `Command { std: "docker" "start" "-a" "40a7941adf5d886c909c7eb4369dfbf32960c3dac9d49c74a9d96ae1315368b1", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:214:43 [INFO] [stderr] | [INFO] [stderr] 214 | pub async fn init_async(&mut self, mut init: F) -> &'init_once T [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `init-once` (lib) generated 1 warning (run `cargo fix --lib -p init-once` to apply 1 suggestion) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:525:17 [INFO] [stderr] | [INFO] [stderr] 525 | let mut future = once.init_async(async { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `init-once` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p init-once --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/init_once-f4849be029a2ce79) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::init_async_drop_future ... ok [INFO] [stdout] test tests::init_mut_only_once ... ok [INFO] [stdout] test tests::init_mut_async_only_once ... ok [INFO] [stdout] test tests::poll_init_only_once ... ok [INFO] [stdout] test tests::never_poll_init ... ok [INFO] [stdout] test tests::try_init_async_wont_block ... ok [INFO] [stdout] test tests::dropped_once_if_init ... ok [INFO] [stdout] test tests::try_init_wont_block ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stderr] Doc-tests init_once [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" "40a7941adf5d886c909c7eb4369dfbf32960c3dac9d49c74a9d96ae1315368b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40a7941adf5d886c909c7eb4369dfbf32960c3dac9d49c74a9d96ae1315368b1", kill_on_drop: false }` [INFO] [stdout] 40a7941adf5d886c909c7eb4369dfbf32960c3dac9d49c74a9d96ae1315368b1