[INFO] fetching crate bolero 0.13.4...
[INFO] checking bolero-0.13.4 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate bolero 0.13.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate bolero 0.13.4
[INFO] finished tweaking crates.io crate bolero 0.13.4
[INFO] tweaked toml for crates.io crate bolero 0.13.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bolero 0.13.4 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bolero 0.13.4 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-engine v0.13.4
[INFO] [stderr]   Downloaded bolero-generator v0.13.5
[INFO] [stderr]   Downloaded bolero-kani v0.13.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.13.4
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.13.0
[INFO] [stderr]   Downloaded bolero-afl v0.13.0
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.13.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f03c10e5e30e2471553495386ed0c4607f9f48c5ef4f5fa02272ce07e95b8636
[INFO] running `Command { std: "docker" "start" "-a" "f03c10e5e30e2471553495386ed0c4607f9f48c5ef4f5fa02272ce07e95b8636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f03c10e5e30e2471553495386ed0c4607f9f48c5ef4f5fa02272ce07e95b8636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03c10e5e30e2471553495386ed0c4607f9f48c5ef4f5fa02272ce07e95b8636", kill_on_drop: false }`
[INFO] [stdout] f03c10e5e30e2471553495386ed0c4607f9f48c5ef4f5fa02272ce07e95b8636
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dad37a80a55571792960bcfcbbb5df8faac88545726aa673bf98cf4510880cb
[INFO] running `Command { std: "docker" "start" "-a" "2dad37a80a55571792960bcfcbbb5df8faac88545726aa673bf98cf4510880cb", kill_on_drop: false }`
[INFO] [stderr]     Checking pretty-hex v0.4.1
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling bolero-generator-derive v0.13.4
[INFO] [stderr]     Checking bolero-generator v0.13.5
[INFO] [stderr]     Checking bolero-engine v0.13.4
[INFO] [stderr]     Checking bolero v0.13.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ReplayRng` is never constructed
[INFO] [stdout]    --> src/test/input.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct ReplayRng<'a> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RngReplayInput` is never constructed
[INFO] [stdout]    --> src/test/input.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct RngReplayInput<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReplayRng` is never constructed
[INFO] [stdout]    --> src/test/input.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct ReplayRng<'a> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RngReplayInput` is never constructed
[INFO] [stdout]    --> src/test/input.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct RngReplayInput<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "2dad37a80a55571792960bcfcbbb5df8faac88545726aa673bf98cf4510880cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dad37a80a55571792960bcfcbbb5df8faac88545726aa673bf98cf4510880cb", kill_on_drop: false }`
[INFO] [stdout] 2dad37a80a55571792960bcfcbbb5df8faac88545726aa673bf98cf4510880cb