[INFO] fetching crate prest-build 0.6.0-debug4...
[INFO] checking prest-build-0.6.0-debug4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate prest-build 0.6.0-debug4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate prest-build 0.6.0-debug4
[INFO] finished tweaking crates.io crate prest-build 0.6.0-debug4
[INFO] tweaked toml for crates.io crate prest-build 0.6.0-debug4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prest-build 0.6.0-debug4 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prest-build 0.6.0-debug4 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f58d8519dc592f37160d4fb2d4e63ae21c6d852ffa2aa9e98af80e15088d39c7
[INFO] running `Command { std: "docker" "start" "-a" "f58d8519dc592f37160d4fb2d4e63ae21c6d852ffa2aa9e98af80e15088d39c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f58d8519dc592f37160d4fb2d4e63ae21c6d852ffa2aa9e98af80e15088d39c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58d8519dc592f37160d4fb2d4e63ae21c6d852ffa2aa9e98af80e15088d39c7", kill_on_drop: false }`
[INFO] [stdout] f58d8519dc592f37160d4fb2d4e63ae21c6d852ffa2aa9e98af80e15088d39c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f982740dfc1aead95d9ebad1ef44591627f6dc9f36160ff0511403cc6db3c9
[INFO] running `Command { std: "docker" "start" "-a" "f0f982740dfc1aead95d9ebad1ef44591627f6dc9f36160ff0511403cc6db3c9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking wasm-encoder v0.214.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking cfg_aliases v0.2.1
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling walrus-macro v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking wasmparser v0.214.0
[INFO] [stderr]     Checking webmanifest v1.1.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking walrus v0.23.3
[INFO] [stderr]     Checking wasm-bindgen-wasm-conventions v0.2.100
[INFO] [stderr]     Checking wasm-bindgen-threads-xform v0.2.100
[INFO] [stderr]     Checking wasm-bindgen-wasm-interpreter v0.2.100
[INFO] [stderr]     Checking wasm-bindgen-multi-value-xform v0.2.100
[INFO] [stderr]     Checking wasm-bindgen-externref-xform v0.2.100
[INFO] [stderr]     Checking wasm-bindgen-cli-support v0.2.100
[INFO] [stderr]     Checking prest-build v0.6.0-debug4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.16s
[INFO] running `Command { std: "docker" "inspect" "f0f982740dfc1aead95d9ebad1ef44591627f6dc9f36160ff0511403cc6db3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f982740dfc1aead95d9ebad1ef44591627f6dc9f36160ff0511403cc6db3c9", kill_on_drop: false }`
[INFO] [stdout] f0f982740dfc1aead95d9ebad1ef44591627f6dc9f36160ff0511403cc6db3c9