[INFO] fetching crate bolero-kani 0.10.0...
[INFO] checking bolero-kani-0.10.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bolero-kani 0.10.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bolero-kani 0.10.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-kani 0.10.0
[INFO] finished tweaking crates.io crate bolero-kani 0.10.0
[INFO] tweaked toml for crates.io crate bolero-kani 0.10.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-generator v0.10.2
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded bolero-engine v0.10.2
[INFO] [stderr]   Downloaded bolero-generator-derive v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7d1d4a1c2c19a16f2edbed335d95e7c03dc4ed9d01525e4bb36088dbef2dcca
[INFO] running `Command { std: "docker" "start" "-a" "d7d1d4a1c2c19a16f2edbed335d95e7c03dc4ed9d01525e4bb36088dbef2dcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d1d4a1c2c19a16f2edbed335d95e7c03dc4ed9d01525e4bb36088dbef2dcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d1d4a1c2c19a16f2edbed335d95e7c03dc4ed9d01525e4bb36088dbef2dcca", kill_on_drop: false }`
[INFO] [stdout] d7d1d4a1c2c19a16f2edbed335d95e7c03dc4ed9d01525e4bb36088dbef2dcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e1771f2bb7eb987d4d8dbd1134ec4c4e99a52c8436e6abb936e8b6876827f48
[INFO] running `Command { std: "docker" "start" "-a" "9e1771f2bb7eb987d4d8dbd1134ec4c4e99a52c8436e6abb936e8b6876827f48", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]     Checking bolero-generator v0.10.2
[INFO] [stderr]     Checking bolero-engine v0.10.2
[INFO] [stderr]     Checking bolero-kani v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `was_valid`
[INFO] [stdout]   --> src/lib.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 Ok(was_valid) => {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_was_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "9e1771f2bb7eb987d4d8dbd1134ec4c4e99a52c8436e6abb936e8b6876827f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1771f2bb7eb987d4d8dbd1134ec4c4e99a52c8436e6abb936e8b6876827f48", kill_on_drop: false }`
[INFO] [stdout] 9e1771f2bb7eb987d4d8dbd1134ec4c4e99a52c8436e6abb936e8b6876827f48
[INFO] checking bolero-kani-0.10.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bolero-kani 0.10.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bolero-kani 0.10.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-kani 0.10.0
[INFO] finished tweaking crates.io crate bolero-kani 0.10.0
[INFO] tweaked toml for crates.io crate bolero-kani 0.10.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b1f3432f824be878ca4d471380a46a078b559e83449f5571e0448e9aacd19f
[INFO] running `Command { std: "docker" "start" "-a" "42b1f3432f824be878ca4d471380a46a078b559e83449f5571e0448e9aacd19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b1f3432f824be878ca4d471380a46a078b559e83449f5571e0448e9aacd19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b1f3432f824be878ca4d471380a46a078b559e83449f5571e0448e9aacd19f", kill_on_drop: false }`
[INFO] [stdout] 42b1f3432f824be878ca4d471380a46a078b559e83449f5571e0448e9aacd19f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142bc752f99f74436dc2445d646a29e78f02214c00143eb1d334223106f9272f
[INFO] running `Command { std: "docker" "start" "-a" "142bc752f99f74436dc2445d646a29e78f02214c00143eb1d334223106f9272f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]     Checking bolero-generator v0.10.2
[INFO] [stderr]     Checking bolero-engine v0.10.2
[INFO] [stderr]     Checking bolero-kani v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `was_valid`
[INFO] [stdout]   --> src/lib.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 Ok(was_valid) => {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_was_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `Command { std: "docker" "inspect" "142bc752f99f74436dc2445d646a29e78f02214c00143eb1d334223106f9272f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142bc752f99f74436dc2445d646a29e78f02214c00143eb1d334223106f9272f", kill_on_drop: false }`
[INFO] [stdout] 142bc752f99f74436dc2445d646a29e78f02214c00143eb1d334223106f9272f
