[INFO] fetching crate juliet 0.3.0...
[INFO] checking juliet-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate juliet 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate juliet 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-attr-macro v1.0.0
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.5.0
[INFO] [stderr]   Downloaded derive_more-impl v1.0.0-beta.2
[INFO] [stderr]   Downloaded derive_more v1.0.0-beta.2
[INFO] [stderr]   Downloaded proptest v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab4f5c4e37e1c3437300da459a202eb3c9d3b0855ba5361ee6c70a227019f905
[INFO] running `Command { std: "docker" "start" "-a" "ab4f5c4e37e1c3437300da459a202eb3c9d3b0855ba5361ee6c70a227019f905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4f5c4e37e1c3437300da459a202eb3c9d3b0855ba5361ee6c70a227019f905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4f5c4e37e1c3437300da459a202eb3c9d3b0855ba5361ee6c70a227019f905", kill_on_drop: false }`
[INFO] [stdout] ab4f5c4e37e1c3437300da459a202eb3c9d3b0855ba5361ee6c70a227019f905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a3325cd853c4bc9c61898f9d2a05c8cba2b36d9b97a61e7a956e9994332c73
[INFO] running `Command { std: "docker" "start" "-a" "21a3325cd853c4bc9c61898f9d2a05c8cba2b36d9b97a61e7a956e9994332c73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fastrand v2.0.1
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[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking bimap v0.6.3
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[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]     Checking getrandom v0.2.11
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[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling proptest-attr-macro v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
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[INFO] [stderr]    Compiling strum_macros v0.25.3
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[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[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 bytemuck v1.14.0
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[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 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/varint.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         format!("{:?}", Varint32::encode(value));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.54s
[INFO] running `Command { std: "docker" "inspect" "21a3325cd853c4bc9c61898f9d2a05c8cba2b36d9b97a61e7a956e9994332c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a3325cd853c4bc9c61898f9d2a05c8cba2b36d9b97a61e7a956e9994332c73", kill_on_drop: false }`
[INFO] [stdout] 21a3325cd853c4bc9c61898f9d2a05c8cba2b36d9b97a61e7a956e9994332c73