[INFO] fetching crate mainframe 1.0.1...
[INFO] checking mainframe-1.0.1 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate mainframe 1.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mainframe 1.0.1
[INFO] finished tweaking crates.io crate mainframe 1.0.1
[INFO] tweaked toml for crates.io crate mainframe 1.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mainframe 1.0.1 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 mainframe 1.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.6
[INFO] [stderr]   Downloaded darling_macro v0.20.5
[INFO] [stderr]   Downloaded lru v0.12.2
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[INFO] [stderr]   Downloaded anstream v0.6.11
[INFO] [stderr]   Downloaded darling v0.20.5
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.8.0
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded nvml-wrapper v0.10.0
[INFO] [stderr]   Downloaded time v0.3.34
[INFO] [stderr]   Downloaded darling_core v0.20.5
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded sysinfo v0.30.5
[INFO] [stderr]   Downloaded ahash v0.8.8
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[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded human_bytes v0.4.3
[INFO] [stderr]   Downloaded wrapcenum-derive v0.4.1
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[INFO] [stderr]   Downloaded ratatui v0.25.0
[INFO] [stderr]   Downloaded better-panic v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eeb06678ccc193e130826d2bcf46e39486a5ba35a7032022527d16b028b2ecbd
[INFO] running `Command { std: "docker" "start" "-a" "eeb06678ccc193e130826d2bcf46e39486a5ba35a7032022527d16b028b2ecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb06678ccc193e130826d2bcf46e39486a5ba35a7032022527d16b028b2ecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb06678ccc193e130826d2bcf46e39486a5ba35a7032022527d16b028b2ecbd", kill_on_drop: false }`
[INFO] [stdout] eeb06678ccc193e130826d2bcf46e39486a5ba35a7032022527d16b028b2ecbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9bc6e96c6246f02620db2ec8dc278565d7b28fa87f76c3c89bead75ecd0078ad
[INFO] running `Command { std: "docker" "start" "-a" "9bc6e96c6246f02620db2ec8dc278565d7b28fa87f76c3c89bead75ecd0078ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking lock_api v0.4.11
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[INFO] [stderr]     Checking miniz_oxide v0.7.2
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[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking clap_builder v4.5.0
[INFO] [stderr]     Checking unicode-width v0.1.11
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[INFO] [stderr]     Checking unicode-segmentation v1.11.0
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[INFO] [stderr]    Compiling syn v2.0.48
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[INFO] [stderr]     Checking systemstat v0.2.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking sysinfo v0.30.5
[INFO] [stderr]     Checking better-panic v0.3.0
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling darling_core v0.20.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.25.0
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]    Compiling darling_macro v0.20.5
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]    Compiling wrapcenum-derive v0.4.1
[INFO] [stderr]     Checking nvml-wrapper v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking mainframe v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/cli.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Parser};
[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: `arg`
[INFO] [stdout]  --> src/cli.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Parser};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/display/util.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn default_block(title: &str) -> Block {
[INFO] [stdout]     |                             ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn default_block(title: &str) -> Block<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/display/util.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn default_block(title: &str) -> Block {
[INFO] [stdout]     |                             ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn default_block(title: &str) -> Block<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.52s
[INFO] running `Command { std: "docker" "inspect" "9bc6e96c6246f02620db2ec8dc278565d7b28fa87f76c3c89bead75ecd0078ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc6e96c6246f02620db2ec8dc278565d7b28fa87f76c3c89bead75ecd0078ad", kill_on_drop: false }`
[INFO] [stdout] 9bc6e96c6246f02620db2ec8dc278565d7b28fa87f76c3c89bead75ecd0078ad