[INFO] cloning repository https://github.com/rsmssnpdr/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsmssnpdr/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmssnpdr%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmssnpdr%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01a1239a2d582fe342926b1122c773b5f31a14ec
[INFO] checking rsmssnpdr/rustlings against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmssnpdr%2Frustlings" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rsmssnpdr/rustlings
[INFO] finished tweaking git repo https://github.com/rsmssnpdr/rustlings
[INFO] tweaked toml for git repo https://github.com/rsmssnpdr/rustlings written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rsmssnpdr/rustlings on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rsmssnpdr/rustlings 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kqueue v1.1.1
[INFO] [stderr]   Downloaded clap v4.5.39
[INFO] [stderr]   Downloaded clap_builder v4.5.39
[INFO] [stderr]   Downloaded crossterm v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f46f0da9860b4fbadfb11f7cdb9cbbe1974b3559b4cf762f6f69c253331078fc
[INFO] running `Command { std: "docker" "start" "-a" "f46f0da9860b4fbadfb11f7cdb9cbbe1974b3559b4cf762f6f69c253331078fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46f0da9860b4fbadfb11f7cdb9cbbe1974b3559b4cf762f6f69c253331078fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46f0da9860b4fbadfb11f7cdb9cbbe1974b3559b4cf762f6f69c253331078fc", kill_on_drop: false }`
[INFO] [stdout] f46f0da9860b4fbadfb11f7cdb9cbbe1974b3559b4cf762f6f69c253331078fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70dd9b9ab14708e9b62cf9fbe82da079f27660364d6dac3fac8036ed8348be51
[INFO] running `Command { std: "docker" "start" "-a" "70dd9b9ab14708e9b62cf9fbe82da079f27660364d6dac3fac8036ed8348be51", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking libc v0.2.172
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling rustlings v6.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking notify v8.0.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking notify-types v2.0.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking anyhow v1.0.98
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking toml_datetime v0.6.9
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking toml_edit v0.22.26
[INFO] [stderr]     Checking rustlings-macros v6.4.0 (/opt/rustwide/workdir/rustlings-macros)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.72s
[INFO] running `Command { std: "docker" "inspect" "70dd9b9ab14708e9b62cf9fbe82da079f27660364d6dac3fac8036ed8348be51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dd9b9ab14708e9b62cf9fbe82da079f27660364d6dac3fac8036ed8348be51", kill_on_drop: false }`
[INFO] [stdout] 70dd9b9ab14708e9b62cf9fbe82da079f27660364d6dac3fac8036ed8348be51