[INFO] fetching crate xtra 0.6.0...
[INFO] testing xtra-0.6.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] extracting crate xtra 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xtra 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xtra 0.6.0
[INFO] tweaked toml for crates.io crate xtra 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xtra 0.6.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xtra 0.6.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee912e5c46b7254ae4f035712f95bc7420050fff77155bd7fd162c7ad4d704fd
[INFO] running `Command { std: "docker" "start" "-a" "ee912e5c46b7254ae4f035712f95bc7420050fff77155bd7fd162c7ad4d704fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee912e5c46b7254ae4f035712f95bc7420050fff77155bd7fd162c7ad4d704fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee912e5c46b7254ae4f035712f95bc7420050fff77155bd7fd162c7ad4d704fd", kill_on_drop: false }`
[INFO] [stdout] ee912e5c46b7254ae4f035712f95bc7420050fff77155bd7fd162c7ad4d704fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df769969543407ebffd98376e0bbd6105140d12d21f929f5c0ae1223cfbc0b93
[INFO] running `Command { std: "docker" "start" "-a" "df769969543407ebffd98376e0bbd6105140d12d21f929f5c0ae1223cfbc0b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling catty v0.1.5
[INFO] [stderr]    Compiling xtra v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:314:25
[INFO] [stdout]     |
[INFO] [stdout] 314 |                         msg.dispatch_to(actor).await;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 314 |                         let _ = msg.dispatch_to(actor).await;
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/address.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/envelope.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         act: &mut Self::Actor,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 36 |         mailbox: Mailbox<Self::Actor>,
[INFO] [stdout] 37 |     ) -> (BoxFuture<ControlFlow<(), ()>>, Span);
[INFO] [stdout]    |           ------------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ) -> (BoxFuture<'_, ControlFlow<(), ()>>, Span);
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/envelope.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |         act: &mut Self::Actor,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 96 |         mailbox: Mailbox<Self::Actor>,
[INFO] [stdout] 97 |     ) -> (BoxFuture<ControlFlow<(), ()>>, Span) {
[INFO] [stdout]    |           ------------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     ) -> (BoxFuture<'_, ControlFlow<(), ()>>, Span) {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/envelope.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         act: &mut Self::Actor,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 144 |         mailbox: Mailbox<Self::Actor>,
[INFO] [stdout] 145 |     ) -> (BoxFuture<ControlFlow<()>>, Span);
[INFO] [stdout]     |           -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 145 |     ) -> (BoxFuture<'_, ControlFlow<()>>, Span);
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/envelope.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |         act: &mut Self::Actor,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 191 |         mailbox: Mailbox<Self::Actor>,
[INFO] [stdout] 192 |     ) -> (BoxFuture<ControlFlow<(), ()>>, Span) {
[INFO] [stdout]     |           ------------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |     ) -> (BoxFuture<'_, ControlFlow<(), ()>>, Span) {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/envelope.rs:253:15
[INFO] [stdout]     |
[INFO] [stdout] 253 |         _act: &mut Self::Actor,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 254 |         _mailbox: Mailbox<Self::Actor>,
[INFO] [stdout] 255 |     ) -> (BoxFuture<ControlFlow<()>>, Span) {
[INFO] [stdout]     |           -------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 255 |     ) -> (BoxFuture<'_, ControlFlow<()>>, Span) {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "df769969543407ebffd98376e0bbd6105140d12d21f929f5c0ae1223cfbc0b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df769969543407ebffd98376e0bbd6105140d12d21f929f5c0ae1223cfbc0b93", kill_on_drop: false }`
[INFO] [stdout] df769969543407ebffd98376e0bbd6105140d12d21f929f5c0ae1223cfbc0b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a4a2d32d7ec7a6ddb19e4dd5f24928f4a0d72ddead4cb8d06b3a0f63496708
[INFO] running `Command { std: "docker" "start" "-a" "a1a4a2d32d7ec7a6ddb19e4dd5f24928f4a0d72ddead4cb8d06b3a0f63496708", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling parking v2.1.1
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.4.1
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling event-listener v3.0.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling async-executor v1.5.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=e7d2a13571bebf28 -C extra-filename=-6b8bd984a921313e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c201e330cad11e41 -C extra-filename=-bed47dd60f4964dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8021a6716a03c121.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3e940663c7c52f9b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-e192ee94db305c87.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a1a4a2d32d7ec7a6ddb19e4dd5f24928f4a0d72ddead4cb8d06b3a0f63496708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a4a2d32d7ec7a6ddb19e4dd5f24928f4a0d72ddead4cb8d06b3a0f63496708", kill_on_drop: false }`
[INFO] [stdout] a1a4a2d32d7ec7a6ddb19e4dd5f24928f4a0d72ddead4cb8d06b3a0f63496708
