[INFO] cloning repository https://github.com/random7996/arbitrum-rust-colearning-random7996
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/random7996/arbitrum-rust-colearning-random7996" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandom7996%2Farbitrum-rust-colearning-random7996", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandom7996%2Farbitrum-rust-colearning-random7996'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8732c8f939b17d07c0dd11cfde217d75306e7998
[INFO] checking random7996/arbitrum-rust-colearning-random7996 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandom7996%2Farbitrum-rust-colearning-random7996" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/random7996/arbitrum-rust-colearning-random7996
[INFO] finished tweaking git repo https://github.com/random7996/arbitrum-rust-colearning-random7996
[INFO] tweaked toml for git repo https://github.com/random7996/arbitrum-rust-colearning-random7996 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/random7996/arbitrum-rust-colearning-random7996 on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/random7996/arbitrum-rust-colearning-random7996 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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4982ff23b5b8d6060d55518e0347d71aedb320953ff5247ed23ff86b111de09f
[INFO] running `Command { std: "docker" "start" "-a" "4982ff23b5b8d6060d55518e0347d71aedb320953ff5247ed23ff86b111de09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4982ff23b5b8d6060d55518e0347d71aedb320953ff5247ed23ff86b111de09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4982ff23b5b8d6060d55518e0347d71aedb320953ff5247ed23ff86b111de09f", kill_on_drop: false }`
[INFO] [stdout] 4982ff23b5b8d6060d55518e0347d71aedb320953ff5247ed23ff86b111de09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79497f763c878d6b944fc7b4341854d73333c9b62a76156d82df14824e41ea6
[INFO] running `Command { std: "docker" "start" "-a" "d79497f763c878d6b944fc7b4341854d73333c9b62a76156d82df14824e41ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]     Checking task1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.73s
[INFO] running `Command { std: "docker" "inspect" "d79497f763c878d6b944fc7b4341854d73333c9b62a76156d82df14824e41ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79497f763c878d6b944fc7b4341854d73333c9b62a76156d82df14824e41ea6", kill_on_drop: false }`
[INFO] [stdout] d79497f763c878d6b944fc7b4341854d73333c9b62a76156d82df14824e41ea6