[INFO] fetching crate rustlings 6.2.0...
[INFO] checking rustlings-6.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rustlings 6.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rustlings 6.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustlings 6.2.0
[INFO] finished tweaking crates.io crate rustlings 6.2.0
[INFO] tweaked toml for crates.io crate rustlings 6.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustlings 6.2.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.23
[INFO] [stderr]   Downloaded os_pipe v1.2.1
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.4.1
[INFO] [stderr]   Downloaded rustlings-macros v6.2.0
[INFO] [stderr]   Downloaded clap v4.5.14
[INFO] [stderr]   Downloaded clap_builder v4.5.14
[INFO] [stderr]   Downloaded serde v1.0.205
[INFO] [stderr]   Downloaded serde_derive v1.0.205
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e8258dba9380f01c0aa8b7e0b9840752ea4c7fe9d6a4030e2601b0fc96fc99
[INFO] running `Command { std: "docker" "start" "-a" "c0e8258dba9380f01c0aa8b7e0b9840752ea4c7fe9d6a4030e2601b0fc96fc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e8258dba9380f01c0aa8b7e0b9840752ea4c7fe9d6a4030e2601b0fc96fc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e8258dba9380f01c0aa8b7e0b9840752ea4c7fe9d6a4030e2601b0fc96fc99", kill_on_drop: false }`
[INFO] [stdout] c0e8258dba9380f01c0aa8b7e0b9840752ea4c7fe9d6a4030e2601b0fc96fc99
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5207568ab0fc2a6637ca697d2fe715377df76c80c3c97dc65132406ae97f2bd
[INFO] running `Command { std: "docker" "start" "-a" "f5207568ab0fc2a6637ca697d2fe715377df76c80c3c97dc65132406ae97f2bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking libc v0.2.155
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking compact_str v0.8.0
[INFO] [stderr]     Checking clap_builder v4.5.14
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.4.1
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling instability v0.3.2
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking ratatui v0.28.0
[INFO] [stderr]     Checking clap v4.5.14
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking serde_json v1.0.122
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]    Compiling rustlings-macros v6.2.0
[INFO] [stderr]     Checking rustlings v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "f5207568ab0fc2a6637ca697d2fe715377df76c80c3c97dc65132406ae97f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5207568ab0fc2a6637ca697d2fe715377df76c80c3c97dc65132406ae97f2bd", kill_on_drop: false }`
[INFO] [stdout] f5207568ab0fc2a6637ca697d2fe715377df76c80c3c97dc65132406ae97f2bd