[INFO] cloning repository https://github.com/luannndev/flex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luannndev/flex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluannndev%2Fflex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluannndev%2Fflex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fdf1366940258289f17e2f961ca45a148a5a80c
[INFO] building luannndev/flex against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluannndev%2Fflex" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luannndev/flex
[INFO] finished tweaking git repo https://github.com/luannndev/flex
[INFO] tweaked toml for git repo https://github.com/luannndev/flex written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luannndev/flex on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luannndev/flex 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 436a4fbe04de0f62906637f0b03ed0af3f5e9a00d47144fe71d62623501476a7
[INFO] running `Command { std: "docker" "start" "-a" "436a4fbe04de0f62906637f0b03ed0af3f5e9a00d47144fe71d62623501476a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436a4fbe04de0f62906637f0b03ed0af3f5e9a00d47144fe71d62623501476a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436a4fbe04de0f62906637f0b03ed0af3f5e9a00d47144fe71d62623501476a7", kill_on_drop: false }`
[INFO] [stdout] 436a4fbe04de0f62906637f0b03ed0af3f5e9a00d47144fe71d62623501476a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe85f1e8274d6be2326b43c98aa96276b22d91a8773f406fd4a1c59fb18466d
[INFO] running `Command { std: "docker" "start" "-a" "efe85f1e8274d6be2326b43c98aa96276b22d91a8773f406fd4a1c59fb18466d", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling cc v1.1.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling compact_str v0.8.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling instability v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ratatui v0.28.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling flex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `Command { std: "docker" "inspect" "efe85f1e8274d6be2326b43c98aa96276b22d91a8773f406fd4a1c59fb18466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe85f1e8274d6be2326b43c98aa96276b22d91a8773f406fd4a1c59fb18466d", kill_on_drop: false }`
[INFO] [stdout] efe85f1e8274d6be2326b43c98aa96276b22d91a8773f406fd4a1c59fb18466d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a865d566de1b43eac676e1b6e3f592580980562588bf73dbf02c26fc2f562d
[INFO] running `Command { std: "docker" "start" "-a" "e8a865d566de1b43eac676e1b6e3f592580980562588bf73dbf02c26fc2f562d", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "e8a865d566de1b43eac676e1b6e3f592580980562588bf73dbf02c26fc2f562d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a865d566de1b43eac676e1b6e3f592580980562588bf73dbf02c26fc2f562d", kill_on_drop: false }`
[INFO] [stdout] e8a865d566de1b43eac676e1b6e3f592580980562588bf73dbf02c26fc2f562d