[INFO] fetching crate init-once 0.6.1... [INFO] testing init-once-0.6.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [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 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v1.39.1 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c6fa4b8e5300e12ab280335b25861c8cd420c8e942592a25d7734bc3c9dfb0c [INFO] running `Command { std: "docker" "start" "-a" "5c6fa4b8e5300e12ab280335b25861c8cd420c8e942592a25d7734bc3c9dfb0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c6fa4b8e5300e12ab280335b25861c8cd420c8e942592a25d7734bc3c9dfb0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c6fa4b8e5300e12ab280335b25861c8cd420c8e942592a25d7734bc3c9dfb0c", kill_on_drop: false }` [INFO] [stdout] 5c6fa4b8e5300e12ab280335b25861c8cd420c8e942592a25d7734bc3c9dfb0c [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9da3259d5266a2a72d0b39288d359f792d3f5bf76497c3ffa5725f74f11d4f6b [INFO] running `Command { std: "docker" "start" "-a" "9da3259d5266a2a72d0b39288d359f792d3f5bf76497c3ffa5725f74f11d4f6b", 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "9da3259d5266a2a72d0b39288d359f792d3f5bf76497c3ffa5725f74f11d4f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da3259d5266a2a72d0b39288d359f792d3f5bf76497c3ffa5725f74f11d4f6b", kill_on_drop: false }` [INFO] [stdout] 9da3259d5266a2a72d0b39288d359f792d3f5bf76497c3ffa5725f74f11d4f6b [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 644959967c871f4ee0e9b27190f483f9688e4dd2acf5a3088e66984f31dc7dc6 [INFO] running `Command { std: "docker" "start" "-a" "644959967c871f4ee0e9b27190f483f9688e4dd2acf5a3088e66984f31dc7dc6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling bytes v1.6.1 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling quote v1.0.36 [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling mio v1.0.1 [INFO] [stderr] Compiling socket2 v0.5.7 [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(&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)]` 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 16.62s [INFO] running `Command { std: "docker" "inspect" "644959967c871f4ee0e9b27190f483f9688e4dd2acf5a3088e66984f31dc7dc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "644959967c871f4ee0e9b27190f483f9688e4dd2acf5a3088e66984f31dc7dc6", kill_on_drop: false }` [INFO] [stdout] 644959967c871f4ee0e9b27190f483f9688e4dd2acf5a3088e66984f31dc7dc6 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 603e4400db4ef69d533313891f5c2abb4c3b2621765ce63a1235a054a78b46cc [INFO] running `Command { std: "docker" "start" "-a" "603e4400db4ef69d533313891f5c2abb4c3b2621765ce63a1235a054a78b46cc", 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)]` 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 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/init_once-2dc2a27cdd642c17) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::init_mut_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::init_async_drop_future ... ok [INFO] [stdout] test tests::never_poll_init ... ok [INFO] [stdout] test tests::poll_init_only_once ... ok [INFO] [stdout] test tests::try_init_wont_block ... ok [INFO] [stdout] test tests::try_init_async_wont_block ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "603e4400db4ef69d533313891f5c2abb4c3b2621765ce63a1235a054a78b46cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "603e4400db4ef69d533313891f5c2abb4c3b2621765ce63a1235a054a78b46cc", kill_on_drop: false }` [INFO] [stdout] 603e4400db4ef69d533313891f5c2abb4c3b2621765ce63a1235a054a78b46cc