[INFO] fetching crate init-once 0.6.1... [INFO] testing init-once-0.6.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate init-once 0.6.1 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate init-once 0.6.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] add97dcb9fcfd90eaa7194f905ccdc6720291c0f9760d7a429061bf32c575e36 [INFO] running `Command { std: "docker" "start" "-a" "add97dcb9fcfd90eaa7194f905ccdc6720291c0f9760d7a429061bf32c575e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "add97dcb9fcfd90eaa7194f905ccdc6720291c0f9760d7a429061bf32c575e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "add97dcb9fcfd90eaa7194f905ccdc6720291c0f9760d7a429061bf32c575e36", kill_on_drop: false }` [INFO] [stdout] add97dcb9fcfd90eaa7194f905ccdc6720291c0f9760d7a429061bf32c575e36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31746702cb31f3ea69b17af168b745b868ad5c2483e6a684fb5b9e041dd5df5a [INFO] running `Command { std: "docker" "start" "-a" "31746702cb31f3ea69b17af168b745b868ad5c2483e6a684fb5b9e041dd5df5a", 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 0.89s [INFO] running `Command { std: "docker" "inspect" "31746702cb31f3ea69b17af168b745b868ad5c2483e6a684fb5b9e041dd5df5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31746702cb31f3ea69b17af168b745b868ad5c2483e6a684fb5b9e041dd5df5a", kill_on_drop: false }` [INFO] [stdout] 31746702cb31f3ea69b17af168b745b868ad5c2483e6a684fb5b9e041dd5df5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a72e1eb239d4ac90ba7015fe113b9f7db24f9bba87b981f3c6b0b51df51122bd [INFO] running `Command { std: "docker" "start" "-a" "a72e1eb239d4ac90ba7015fe113b9f7db24f9bba87b981f3c6b0b51df51122bd", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v1.6.1 [INFO] [stderr] Compiling mio v1.0.1 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling syn v2.0.72 [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 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 13.63s [INFO] running `Command { std: "docker" "inspect" "a72e1eb239d4ac90ba7015fe113b9f7db24f9bba87b981f3c6b0b51df51122bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a72e1eb239d4ac90ba7015fe113b9f7db24f9bba87b981f3c6b0b51df51122bd", kill_on_drop: false }` [INFO] [stdout] a72e1eb239d4ac90ba7015fe113b9f7db24f9bba87b981f3c6b0b51df51122bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e3f6d9881a4bfc971aac5e628f02c9190b1a20dc30ed6e1debabdc6fbff39e9 [INFO] running `Command { std: "docker" "start" "-a" "6e3f6d9881a4bfc971aac5e628f02c9190b1a20dc30ed6e1debabdc6fbff39e9", 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-5e69a6b0f48a4c80) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::init_async_drop_future ... ok [INFO] [stdout] test tests::init_mut_async_only_once ... ok [INFO] [stdout] test tests::init_mut_only_once ... ok [INFO] [stdout] test tests::dropped_once_if_init ... 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::try_init_wont_block ... ok [INFO] [stderr] Doc-tests init_once [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [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" "6e3f6d9881a4bfc971aac5e628f02c9190b1a20dc30ed6e1debabdc6fbff39e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e3f6d9881a4bfc971aac5e628f02c9190b1a20dc30ed6e1debabdc6fbff39e9", kill_on_drop: false }` [INFO] [stdout] 6e3f6d9881a4bfc971aac5e628f02c9190b1a20dc30ed6e1debabdc6fbff39e9