[INFO] fetching crate stabby 1.0.0...
[INFO] checking stabby-1.0.0 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate stabby 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stabby 1.0.0 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stabby 1.0.0
[INFO] finished tweaking crates.io crate stabby 1.0.0
[INFO] tweaked toml for crates.io crate stabby 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stabby-abi v1.0.0
[INFO] [stderr]   Downloaded stabby-macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac16c7655d19c7b72a6e79973461f61bbfd96452dc4eac021f2e87a5e722909f
[INFO] running `Command { std: "docker" "start" "-a" "ac16c7655d19c7b72a6e79973461f61bbfd96452dc4eac021f2e87a5e722909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac16c7655d19c7b72a6e79973461f61bbfd96452dc4eac021f2e87a5e722909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac16c7655d19c7b72a6e79973461f61bbfd96452dc4eac021f2e87a5e722909f", kill_on_drop: false }`
[INFO] [stdout] ac16c7655d19c7b72a6e79973461f61bbfd96452dc4eac021f2e87a5e722909f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bc571414993b58f41a3871edb4a083e17e5f1bb143ce53f5274a2bba2928667
[INFO] running `Command { std: "docker" "start" "-a" "3bc571414993b58f41a3871edb4a083e17e5f1bb143ce53f5274a2bba2928667", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling stabby-macros v1.0.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling stabby-abi v1.0.0
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling stabby v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/allocs/boxed.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe { Box::from_raw(self.deref_mut()) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe { let _ = Box::from_raw(self.deref_mut()); };
[INFO] [stdout]    |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/allocs/boxed.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe { Box::from_raw(self.deref_mut()) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe { let _ = Box::from_raw(self.deref_mut()); };
[INFO] [stdout]    |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "3bc571414993b58f41a3871edb4a083e17e5f1bb143ce53f5274a2bba2928667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc571414993b58f41a3871edb4a083e17e5f1bb143ce53f5274a2bba2928667", kill_on_drop: false }`
[INFO] [stdout] 3bc571414993b58f41a3871edb4a083e17e5f1bb143ce53f5274a2bba2928667