[INFO] fetching crate juliet 0.2.0...
[INFO] checking juliet-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate juliet 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate juliet 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juliet 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate juliet 0.2.0
[INFO] tweaked toml for crates.io crate juliet 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate juliet 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v1.0.0-beta.2
[INFO] [stderr]   Downloaded proptest-attr-macro v1.0.0
[INFO] [stderr]   Downloaded derive_more-impl v1.0.0-beta.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eabc1f8cfb505e18ebc43ef4884ecfc4555253e517381847e20263170fd0454
[INFO] running `Command { std: "docker" "start" "-a" "5eabc1f8cfb505e18ebc43ef4884ecfc4555253e517381847e20263170fd0454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eabc1f8cfb505e18ebc43ef4884ecfc4555253e517381847e20263170fd0454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eabc1f8cfb505e18ebc43ef4884ecfc4555253e517381847e20263170fd0454", kill_on_drop: false }`
[INFO] [stdout] 5eabc1f8cfb505e18ebc43ef4884ecfc4555253e517381847e20263170fd0454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6583b9a4565eb294898a0112c034cc1dec822926c546b8d7551934171659277d
[INFO] running `Command { std: "docker" "start" "-a" "6583b9a4565eb294898a0112c034cc1dec822926c546b8d7551934171659277d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling proptest-attr-macro v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0-beta.2
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking derive_more v1.0.0-beta.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking juliet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/protocol.rs:2387:17
[INFO] [stdout]      |
[INFO] [stdout] 2387 |                 /// The ID of the request received.
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2388 |                 id,
[INFO] [stdout]      |                 -- rustdoc does not generate documentation for expression fields
[INFO] [stdout]      |
[INFO] [stdout]      = help: use `//` for a plain comment
[INFO] [stdout]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/protocol.rs:2389:17
[INFO] [stdout]      |
[INFO] [stdout] 2389 |                 /// The response payload.
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2390 |                 payload: None,
[INFO] [stdout]      |                 ------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]      |
[INFO] [stdout]      = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "6583b9a4565eb294898a0112c034cc1dec822926c546b8d7551934171659277d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6583b9a4565eb294898a0112c034cc1dec822926c546b8d7551934171659277d", kill_on_drop: false }`
[INFO] [stdout] 6583b9a4565eb294898a0112c034cc1dec822926c546b8d7551934171659277d