[INFO] fetching crate init-once 0.6.1...
[INFO] testing init-once-0.6.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate init-once 0.6.1 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate init-once 0.6.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.4.0
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded pin-project-lite v0.2.14
[INFO] [stderr]   Downloaded hermit-abi v0.3.9
[INFO] [stderr]   Downloaded socket2 v0.5.7
[INFO] [stderr]   Downloaded addr2line v0.22.0
[INFO] [stderr]   Downloaded bytes v1.6.1
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded bitflags v2.6.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] [stderr]   Downloaded redox_syscall v0.5.3
[INFO] [stderr]   Downloaded cc v1.1.6
[INFO] [stderr]   Downloaded backtrace v0.3.73
[INFO] [stderr]   Downloaded portable-atomic v1.7.0
[INFO] [stderr]   Downloaded mio v1.0.1
[INFO] [stderr]   Downloaded gimli v0.29.0
[INFO] [stderr]   Downloaded object v0.36.2
[INFO] [stderr]   Downloaded tokio v1.39.1
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b172f29642d45811fdd5cc41c5c587cac5797e5baa9523c545a86ae8f91e2c17
[INFO] running `Command { std: "docker" "start" "-a" "b172f29642d45811fdd5cc41c5c587cac5797e5baa9523c545a86ae8f91e2c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b172f29642d45811fdd5cc41c5c587cac5797e5baa9523c545a86ae8f91e2c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b172f29642d45811fdd5cc41c5c587cac5797e5baa9523c545a86ae8f91e2c17", kill_on_drop: false }`
[INFO] [stdout] b172f29642d45811fdd5cc41c5c587cac5797e5baa9523c545a86ae8f91e2c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d367eb214ac903aab79016f5b9adaf9a60d878c64c6bcb0293620c15b6f64b
[INFO] running `Command { std: "docker" "start" "-a" "f1d367eb214ac903aab79016f5b9adaf9a60d878c64c6bcb0293620c15b6f64b", 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<F>(&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 1.29s
[INFO] running `Command { std: "docker" "inspect" "f1d367eb214ac903aab79016f5b9adaf9a60d878c64c6bcb0293620c15b6f64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d367eb214ac903aab79016f5b9adaf9a60d878c64c6bcb0293620c15b6f64b", kill_on_drop: false }`
[INFO] [stdout] f1d367eb214ac903aab79016f5b9adaf9a60d878c64c6bcb0293620c15b6f64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92d8645e39204f9fe85e96a20c80f2e3bccaea674f7bb3cde88d7dadff2fa58
[INFO] running `Command { std: "docker" "start" "-a" "a92d8645e39204f9fe85e96a20c80f2e3bccaea674f7bb3cde88d7dadff2fa58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.6.1
[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<F>(&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 syn v2.0.72
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[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<F>(&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 21.38s
[INFO] running `Command { std: "docker" "inspect" "a92d8645e39204f9fe85e96a20c80f2e3bccaea674f7bb3cde88d7dadff2fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92d8645e39204f9fe85e96a20c80f2e3bccaea674f7bb3cde88d7dadff2fa58", kill_on_drop: false }`
[INFO] [stdout] a92d8645e39204f9fe85e96a20c80f2e3bccaea674f7bb3cde88d7dadff2fa58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33e201edd724069c9277226712f6a38aa3e3f14806548f4fdd61bc60867967ed
[INFO] running `Command { std: "docker" "start" "-a" "33e201edd724069c9277226712f6a38aa3e3f14806548f4fdd61bc60867967ed", 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<F>(&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 0.08s
[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_mut_only_once ... ok
[INFO] [stdout] test tests::poll_init_only_once ... ok
[INFO] [stdout] test tests::init_mut_async_only_once ... ok
[INFO] [stdout] test tests::dropped_once_if_init ... ok
[INFO] [stdout] test tests::never_poll_init ... ok
[INFO] [stdout] test tests::init_async_drop_future ... ok
[INFO] [stderr]    Doc-tests init_once
[INFO] [stdout] test tests::try_init_async_wont_block ... 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 0.08s
[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" "33e201edd724069c9277226712f6a38aa3e3f14806548f4fdd61bc60867967ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e201edd724069c9277226712f6a38aa3e3f14806548f4fdd61bc60867967ed", kill_on_drop: false }`
[INFO] [stdout] 33e201edd724069c9277226712f6a38aa3e3f14806548f4fdd61bc60867967ed
