[INFO] cloning repository https://github.com/malowebi/arena
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malowebi/arena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalowebi%2Farena", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalowebi%2Farena'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20dae264a58ab5e99f14cd95f5a9b4989e01baa4
[INFO] checking malowebi/arena against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalowebi%2Farena" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malowebi/arena 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 git repo https://github.com/malowebi/arena
[INFO] finished tweaking git repo https://github.com/malowebi/arena
[INFO] tweaked toml for git repo https://github.com/malowebi/arena written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/malowebi/arena 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded serde_derive v1.0.204
[INFO] [stderr]   Downloaded indexmap v2.3.0
[INFO] [stderr]   Downloaded serde v1.0.204
[INFO] [stderr]   Downloaded serde_json v1.0.122
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 430b8d0b9ddd5cf45b163dbb3770d1a26c8c0b0f622e8ca59455f256405cbdfc
[INFO] running `Command { std: "docker" "start" "-a" "430b8d0b9ddd5cf45b163dbb3770d1a26c8c0b0f622e8ca59455f256405cbdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430b8d0b9ddd5cf45b163dbb3770d1a26c8c0b0f622e8ca59455f256405cbdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430b8d0b9ddd5cf45b163dbb3770d1a26c8c0b0f622e8ca59455f256405cbdfc", kill_on_drop: false }`
[INFO] [stdout] 430b8d0b9ddd5cf45b163dbb3770d1a26c8c0b0f622e8ca59455f256405cbdfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b34b5206cfdfb73955be646bbd8e857a55769da599d90792fcf79f8ec29d7883
[INFO] running `Command { std: "docker" "start" "-a" "b34b5206cfdfb73955be646bbd8e857a55769da599d90792fcf79f8ec29d7883", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking indexmap v2.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking microml_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "b34b5206cfdfb73955be646bbd8e857a55769da599d90792fcf79f8ec29d7883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34b5206cfdfb73955be646bbd8e857a55769da599d90792fcf79f8ec29d7883", kill_on_drop: false }`
[INFO] [stdout] b34b5206cfdfb73955be646bbd8e857a55769da599d90792fcf79f8ec29d7883