[INFO] fetching crate juliet 0.3.0...
[INFO] building juliet-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate juliet 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate juliet 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate juliet 0.3.0
[INFO] tweaked toml for crates.io crate juliet 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate juliet 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate juliet 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e53153aadfc4c51e84c7a7eafe0bcb6501e54e8e657a9bc747ef805e172febe
[INFO] running `Command { std: "docker" "start" "-a" "7e53153aadfc4c51e84c7a7eafe0bcb6501e54e8e657a9bc747ef805e172febe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e53153aadfc4c51e84c7a7eafe0bcb6501e54e8e657a9bc747ef805e172febe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e53153aadfc4c51e84c7a7eafe0bcb6501e54e8e657a9bc747ef805e172febe", kill_on_drop: false }`
[INFO] [stdout] 7e53153aadfc4c51e84c7a7eafe0bcb6501e54e8e657a9bc747ef805e172febe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b640dc05d3766fe72be73dee27e285c3c21b09566f015dd653f53ba5558f0b
[INFO] running `Command { std: "docker" "start" "-a" "62b640dc05d3766fe72be73dee27e285c3c21b09566f015dd653f53ba5558f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling juliet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/header.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / /// Header structure.
[INFO] [stdout] 14 | | ///
[INFO] [stdout] 15 | | /// Implements [`AsRef<u8>`], which will return a byte slice with the correct encoding of the header
[INFO] [stdout] 16 | | /// that can be sent directly to a peer.
[INFO] [stdout] 17 | | #[derive(Copy, Clone, Eq, PartialEq, Pod, Zeroable)]
[INFO] [stdout] 18 | | #[repr(transparent)]
[INFO] [stdout] 19 | | pub struct Header([u8; Header::SIZE]);
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/protocol/outgoing_message.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct Preamble {
[INFO] [stdout]     |        ^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/protocol/outgoing_message.rs:159:1
[INFO] [stdout]     |
[INFO] [stdout] 159 | / /// Combination of header and potential message payload length.
[INFO] [stdout] 160 | | ///
[INFO] [stdout] 161 | | /// A message with a payload always starts with an initial frame that has a header and a varint
[INFO] [stdout] 162 | | /// encoded payload length. This type combines the two, and allows for the payload length to
[INFO] [stdout] ...   |
[INFO] [stdout] 174 | |     payload_length: Varint32,
[INFO] [stdout] 175 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rpc.rs:235:27
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn create_request(&self, channel: ChannelId) -> JulietRpcRequestBuilder<N> {
[INFO] [stdout]     |                           ^^^^^                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn create_request(&self, channel: ChannelId) -> JulietRpcRequestBuilder<'_, N> {
[INFO] [stdout]     |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/varint.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | / /// An encoded varint32.
[INFO] [stdout] 62 | | ///
[INFO] [stdout] 63 | | /// Internally these are stored as six byte arrays to make passing around convenient. Since the
[INFO] [stdout] 64 | | /// maximum length a 32 bit varint can posses is 5 bytes, the 6th byte is used to record the
[INFO] [stdout] ...  |
[INFO] [stdout] 67 | | #[derive(Copy, Clone, Pod, Zeroable)]
[INFO] [stdout] 68 | | pub struct Varint32([u8; 6]);
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "62b640dc05d3766fe72be73dee27e285c3c21b09566f015dd653f53ba5558f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b640dc05d3766fe72be73dee27e285c3c21b09566f015dd653f53ba5558f0b", kill_on_drop: false }`
[INFO] [stdout] 62b640dc05d3766fe72be73dee27e285c3c21b09566f015dd653f53ba5558f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ace11d718600de03ad42ae476e7f0dc000caf50df2f657991d16cdc7956741
[INFO] running `Command { std: "docker" "start" "-a" "a0ace11d718600de03ad42ae476e7f0dc000caf50df2f657991d16cdc7956741", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' --cfg 'feature="std"' --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("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=330b46c161220d0b -C extra-filename=-5347f631b66c1329 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a0ace11d718600de03ad42ae476e7f0dc000caf50df2f657991d16cdc7956741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ace11d718600de03ad42ae476e7f0dc000caf50df2f657991d16cdc7956741", kill_on_drop: false }`
[INFO] [stdout] a0ace11d718600de03ad42ae476e7f0dc000caf50df2f657991d16cdc7956741
