[INFO] fetching crate juliet 0.3.0... [INFO] testing juliet-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210 [INFO] extracting crate juliet 0.3.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate juliet 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b35cafd604f6db9bff773876bff0cf4651abb8b632b819dd88b72fa52ff12676 [INFO] running `Command { std: "docker" "start" "-a" "b35cafd604f6db9bff773876bff0cf4651abb8b632b819dd88b72fa52ff12676", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b35cafd604f6db9bff773876bff0cf4651abb8b632b819dd88b72fa52ff12676", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b35cafd604f6db9bff773876bff0cf4651abb8b632b819dd88b72fa52ff12676", kill_on_drop: false }` [INFO] [stdout] b35cafd604f6db9bff773876bff0cf4651abb8b632b819dd88b72fa52ff12676 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ff1cf9d510bd12ce60ac4875c6dcb5c889a088db3e3983870242533fc7882ea [INFO] running `Command { std: "docker" "start" "-a" "4ff1cf9d510bd12ce60ac4875c6dcb5c889a088db3e3983870242533fc7882ea", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task 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-sink v0.3.29 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling array-init v2.1.0 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling bimap v0.6.3 [INFO] [stderr] Compiling slab v0.4.9 [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 thiserror-impl v1.0.50 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [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`], 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: 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] [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 { [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.99s [INFO] running `Command { std: "docker" "inspect" "4ff1cf9d510bd12ce60ac4875c6dcb5c889a088db3e3983870242533fc7882ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ff1cf9d510bd12ce60ac4875c6dcb5c889a088db3e3983870242533fc7882ea", kill_on_drop: false }` [INFO] [stdout] 4ff1cf9d510bd12ce60ac4875c6dcb5c889a088db3e3983870242533fc7882ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4b0125c8881759ed95bd075a0640e318b76d30c9c40ea3bb42719a87955e2a7 [INFO] running `Command { std: "docker" "start" "-a" "d4b0125c8881759ed95bd075a0640e318b76d30c9c40ea3bb42719a87955e2a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling cfg-if v1.0.0 [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 proc-macro2 v0.4.30 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling pin-utils v0.1.0 [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 syn v2.0.39 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fastrand v2.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling thiserror v1.0.50 [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 overload v0.1.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling mio v0.8.9 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling nu-ansi-term v0.46.0 [INFO] [stderr] Compiling tempfile v3.8.1 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling thread_local v1.1.7 [INFO] [stderr] Compiling bimap v0.6.3 [INFO] [stderr] Compiling array-init v2.1.0 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling unarray v0.1.4 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling proptest v1.4.0 [INFO] [stderr] Compiling assert_matches v1.5.0 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling bytemuck v1.14.0 [INFO] [stderr] Compiling tokio v1.34.0 [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/dec9417b8611e34e787a3e4c37686b5131f9e5c5/bin/rustc --crate-name syn --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"))' -C metadata=58098184c09533ca -C extra-filename=-681a789cc8e7abde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-57bf9027da355d1b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ce9699250aa1d4b8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-c15504178e575201.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "d4b0125c8881759ed95bd075a0640e318b76d30c9c40ea3bb42719a87955e2a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4b0125c8881759ed95bd075a0640e318b76d30c9c40ea3bb42719a87955e2a7", kill_on_drop: false }` [INFO] [stdout] d4b0125c8881759ed95bd075a0640e318b76d30c9c40ea3bb42719a87955e2a7