[INFO] cloning repository https://github.com/fereidani/swait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fereidani/swait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffereidani%2Fswait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffereidani%2Fswait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b84d0f228743fae5b9c17822b77e1723b2b2673
[INFO] checking fereidani/swait against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffereidani%2Fswait" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fereidani/swait on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fereidani/swait
[INFO] finished tweaking git repo https://github.com/fereidani/swait
[INFO] tweaked toml for git repo https://github.com/fereidani/swait written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560a9cd23cb0861d45049f2db6c0cf8dd3b04bec2ab110081d6b4a48abfb102c
[INFO] running `Command { std: "docker" "start" "-a" "560a9cd23cb0861d45049f2db6c0cf8dd3b04bec2ab110081d6b4a48abfb102c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560a9cd23cb0861d45049f2db6c0cf8dd3b04bec2ab110081d6b4a48abfb102c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560a9cd23cb0861d45049f2db6c0cf8dd3b04bec2ab110081d6b4a48abfb102c", kill_on_drop: false }`
[INFO] [stdout] 560a9cd23cb0861d45049f2db6c0cf8dd3b04bec2ab110081d6b4a48abfb102c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f119a0896dff8dcbb2c839540a709f8947042a33d85c84f067e7fe34583d289
[INFO] running `Command { std: "docker" "start" "-a" "2f119a0896dff8dcbb2c839540a709f8947042a33d85c84f067e7fe34583d289", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling branches v0.2.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking kanal v0.1.1
[INFO] [stderr]     Checking pollster v0.4.0
[INFO] [stderr]     Checking swait v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn swait<F: Future>(mut fut: F) -> F::Output {
[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]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn swait<F: Future>(mut fut: F) -> F::Output {
[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 19.41s
[INFO] running `Command { std: "docker" "inspect" "2f119a0896dff8dcbb2c839540a709f8947042a33d85c84f067e7fe34583d289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f119a0896dff8dcbb2c839540a709f8947042a33d85c84f067e7fe34583d289", kill_on_drop: false }`
[INFO] [stdout] 2f119a0896dff8dcbb2c839540a709f8947042a33d85c84f067e7fe34583d289