[INFO] fetching crate mahler-core 0.21.4...
[INFO] checking mahler-core-0.21.4 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate mahler-core 0.21.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mahler-core 0.21.4
[INFO] finished tweaking crates.io crate mahler-core 0.21.4
[INFO] tweaked toml for crates.io crate mahler-core 0.21.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mahler-core 0.21.4 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mahler-core 0.21.4 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matchers v0.2.0
[INFO] [stderr]   Downloaded jsonptr v0.7.1
[INFO] [stderr]   Downloaded json-patch v4.1.0
[INFO] [stderr]   Downloaded matchit v0.8.6
[INFO] [stderr]   Downloaded regex-automata v0.4.12
[INFO] [stderr]   Downloaded regex-syntax v0.8.7
[INFO] [stderr]   Downloaded dedent v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1819aa0d65eb087368500b77ea7872d97a4cabca0e6bd1505e752ed95159e2bc
[INFO] running `Command { std: "docker" "start" "-a" "1819aa0d65eb087368500b77ea7872d97a4cabca0e6bd1505e752ed95159e2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1819aa0d65eb087368500b77ea7872d97a4cabca0e6bd1505e752ed95159e2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1819aa0d65eb087368500b77ea7872d97a4cabca0e6bd1505e752ed95159e2bc", kill_on_drop: false }`
[INFO] [stdout] 1819aa0d65eb087368500b77ea7872d97a4cabca0e6bd1505e752ed95159e2bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ac32ee82d40983b79f16d5eca06674661d69b8c660ff2176bf3a954ac71d89
[INFO] running `Command { std: "docker" "start" "-a" "b1ac32ee82d40983b79f16d5eca06674661d69b8c660ff2176bf3a954ac71d89", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking regex-syntax v0.8.7
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking matchit v0.8.6
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling dedent v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking jsonptr v0.7.1
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking json-patch v4.1.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking mahler-core v0.21.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/planner/mod.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::{error, field, instrument, trace, trace_span, warn, Span};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/planner/mod.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing::{error, field, instrument, trace, trace_span, warn, Span};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "b1ac32ee82d40983b79f16d5eca06674661d69b8c660ff2176bf3a954ac71d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ac32ee82d40983b79f16d5eca06674661d69b8c660ff2176bf3a954ac71d89", kill_on_drop: false }`
[INFO] [stdout] b1ac32ee82d40983b79f16d5eca06674661d69b8c660ff2176bf3a954ac71d89