[INFO] fetching crate polytest 0.7.0...
[INFO] checking polytest-0.7.0 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate polytest 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate polytest 0.7.0
[INFO] finished tweaking crates.io crate polytest 0.7.0
[INFO] tweaked toml for crates.io crate polytest 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polytest 0.7.0 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polytest 0.7.0 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indenter v0.3.4
[INFO] [stderr]   Downloaded tracing-error v0.2.1
[INFO] [stderr]   Downloaded json_comments v0.2.2
[INFO] [stderr]   Downloaded shared_child v1.0.1
[INFO] [stderr]   Downloaded color-spantrace v0.3.0
[INFO] [stderr]   Downloaded eyre v0.6.12
[INFO] [stderr]   Downloaded openssl-sys v0.9.110
[INFO] [stderr]   Downloaded minijinja v2.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] [stderr]   Downloaded color-eyre v0.6.5
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d79407eef119b642ac38eb9e2425d7df0386e50acc15cae978dc904cf6169f74
[INFO] running `Command { std: "docker" "start" "-a" "d79407eef119b642ac38eb9e2425d7df0386e50acc15cae978dc904cf6169f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79407eef119b642ac38eb9e2425d7df0386e50acc15cae978dc904cf6169f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79407eef119b642ac38eb9e2425d7df0386e50acc15cae978dc904cf6169f74", kill_on_drop: false }`
[INFO] [stdout] d79407eef119b642ac38eb9e2425d7df0386e50acc15cae978dc904cf6169f74
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64da1176700ce7bff1c348506871bd1a9783d4b9461264a449f7f5206744a9f6
[INFO] running `Command { std: "docker" "start" "-a" "64da1176700ce7bff1c348506871bd1a9783d4b9461264a449f7f5206744a9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking indenter v0.3.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking memo-map v0.3.3
[INFO] [stderr]     Checking self_cell v1.2.0
[INFO] [stderr]     Checking json_comments v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking shared_child v1.0.1
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking duct v0.13.7
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.18.2+1.9.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking minijinja v2.5.0
[INFO] [stderr]     Checking git2 v0.20.2
[INFO] [stderr]     Checking polytest v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `command`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{command, Args, Parser, Subcommand};
[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: `command`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{command, Args, Parser, Subcommand};
[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 54.30s
[INFO] running `Command { std: "docker" "inspect" "64da1176700ce7bff1c348506871bd1a9783d4b9461264a449f7f5206744a9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64da1176700ce7bff1c348506871bd1a9783d4b9461264a449f7f5206744a9f6", kill_on_drop: false }`
[INFO] [stdout] 64da1176700ce7bff1c348506871bd1a9783d4b9461264a449f7f5206744a9f6