[INFO] cloning repository https://github.com/MattWindsor91/phenolphthalein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MattWindsor91/phenolphthalein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattWindsor91%2Fphenolphthalein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattWindsor91%2Fphenolphthalein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a64e8a2354aea5f7a256be6c875c214c4bcf8cc9
[INFO] checking MattWindsor91/phenolphthalein against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattWindsor91%2Fphenolphthalein" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MattWindsor91/phenolphthalein on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MattWindsor91/phenolphthalein
[INFO] finished tweaking git repo https://github.com/MattWindsor91/phenolphthalein
[INFO] tweaked toml for git repo https://github.com/MattWindsor91/phenolphthalein written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/MattWindsor91/phenolphthalein already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlopen v0.1.8
[INFO] [stderr]   Downloaded dlopen_derive v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f4a6fd63b8a49e273635f1290891901171e2bf3ed4c6e106c91959836d60d0
[INFO] running `Command { std: "docker" "start" "-a" "42f4a6fd63b8a49e273635f1290891901171e2bf3ed4c6e106c91959836d60d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f4a6fd63b8a49e273635f1290891901171e2bf3ed4c6e106c91959836d60d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f4a6fd63b8a49e273635f1290891901171e2bf3ed4c6e106c91959836d60d0", kill_on_drop: false }`
[INFO] [stdout] 42f4a6fd63b8a49e273635f1290891901171e2bf3ed4c6e106c91959836d60d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e49fcde07cc26a0b53c9ff1619a0a7d387dae5a161843ab67c47bbde92a0ec
[INFO] running `Command { std: "docker" "start" "-a" "48e49fcde07cc26a0b53c9ff1619a0a7d387dae5a161843ab67c47bbde92a0ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking vec_map v0.8.2
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[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling phenolphthalein v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking dlopen v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/run/fsa.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | unsafe impl<'entry, E: Entry<'entry>> Send for ReadyAutomaton<'entry, E> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `fsa::Ready` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/run/fsa.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub struct Automaton<'entry, S: State, T: Entry<'entry>> {
[INFO] [stdout] 9  | |     /// The specific state type.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This cannot safely be changed in general, for reasons that should be
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     halt_signal: Arc<halt::Signal>,
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/run/fsa.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | unsafe impl<'entry, E: Entry<'entry>> Send for ReadyAutomaton<'entry, E> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `fsa::Ready` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/run/fsa.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub struct Automaton<'entry, S: State, T: Entry<'entry>> {
[INFO] [stdout] 9  | |     /// The specific state type.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This cannot safely be changed in general, for reasons that should be
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     halt_signal: Arc<halt::Signal>,
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stdout]   --> src/run/fsa.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | unsafe impl<'entry, E: Entry<'entry>> Sync for ReadyAutomaton<'entry, E> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `fsa::Ready` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/run/fsa.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub struct Automaton<'entry, S: State, T: Entry<'entry>> {
[INFO] [stdout] 9  | |     /// The specific state type.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This cannot safely be changed in general, for reasons that should be
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     halt_signal: Arc<halt::Signal>,
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stdout]   --> src/run/fsa.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | unsafe impl<'entry, E: Entry<'entry>> Sync for ReadyAutomaton<'entry, E> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `fsa::Ready` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/run/fsa.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub struct Automaton<'entry, S: State, T: Entry<'entry>> {
[INFO] [stdout] 9  | |     /// The specific state type.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This cannot safely be changed in general, for reasons that should be
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     halt_signal: Arc<halt::Signal>,
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "48e49fcde07cc26a0b53c9ff1619a0a7d387dae5a161843ab67c47bbde92a0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e49fcde07cc26a0b53c9ff1619a0a7d387dae5a161843ab67c47bbde92a0ec", kill_on_drop: false }`
[INFO] [stdout] 48e49fcde07cc26a0b53c9ff1619a0a7d387dae5a161843ab67c47bbde92a0ec