[INFO] cloning repository https://github.com/ngalaiko/maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngalaiko/maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngalaiko%2Fmaelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngalaiko%2Fmaelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8c661b1ee85e59809bc7192355fb70ca71b1516
[INFO] checking ngalaiko/maelstrom against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngalaiko%2Fmaelstrom" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngalaiko/maelstrom on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngalaiko/maelstrom
[INFO] finished tweaking git repo https://github.com/ngalaiko/maelstrom
[INFO] tweaked toml for git repo https://github.com/ngalaiko/maelstrom written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ngalaiko/maelstrom 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0f113c57d83c7d310858e9b78cfe73a75039b74ee8c3f9e60cc51271bf2b29
[INFO] running `Command { std: "docker" "start" "-a" "2b0f113c57d83c7d310858e9b78cfe73a75039b74ee8c3f9e60cc51271bf2b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0f113c57d83c7d310858e9b78cfe73a75039b74ee8c3f9e60cc51271bf2b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0f113c57d83c7d310858e9b78cfe73a75039b74ee8c3f9e60cc51271bf2b29", kill_on_drop: false }`
[INFO] [stdout] 2b0f113c57d83c7d310858e9b78cfe73a75039b74ee8c3f9e60cc51271bf2b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f399b60348689b5a08995452727876957356d812561d9b1b47ba113f130ed67b
[INFO] running `Command { std: "docker" "start" "-a" "f399b60348689b5a08995452727876957356d812561d9b1b47ba113f130ed67b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking maelstrom-node v0.1.0 (/opt/rustwide/workdir/maelstrom-node)
[INFO] [stderr]     Checking kv v0.1.0 (/opt/rustwide/workdir/kv)
[INFO] [stderr]     Checking kafka-node v0.1.0 (/opt/rustwide/workdir/kafka-node)
[INFO] [stderr]     Checking broadcast-node v0.1.0 (/opt/rustwide/workdir/broadcast-node)
[INFO] [stderr]     Checking echo-node v0.1.0 (/opt/rustwide/workdir/echo-node)
[INFO] [stderr]     Checking unique-ids-node v0.1.0 (/opt/rustwide/workdir/unique-ids-node)
[INFO] [stderr]     Checking g-counter-node v0.1.0 (/opt/rustwide/workdir/g-counter-node)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "f399b60348689b5a08995452727876957356d812561d9b1b47ba113f130ed67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f399b60348689b5a08995452727876957356d812561d9b1b47ba113f130ed67b", kill_on_drop: false }`
[INFO] [stdout] f399b60348689b5a08995452727876957356d812561d9b1b47ba113f130ed67b
[INFO] checking ngalaiko/maelstrom against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngalaiko%2Fmaelstrom" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngalaiko/maelstrom on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngalaiko/maelstrom
[INFO] finished tweaking git repo https://github.com/ngalaiko/maelstrom
[INFO] tweaked toml for git repo https://github.com/ngalaiko/maelstrom written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ngalaiko/maelstrom 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373b13ee432dfe5764324a34bccb04ac01288c42cd3c51ac070d52fdbd52b842
[INFO] running `Command { std: "docker" "start" "-a" "373b13ee432dfe5764324a34bccb04ac01288c42cd3c51ac070d52fdbd52b842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373b13ee432dfe5764324a34bccb04ac01288c42cd3c51ac070d52fdbd52b842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373b13ee432dfe5764324a34bccb04ac01288c42cd3c51ac070d52fdbd52b842", kill_on_drop: false }`
[INFO] [stdout] 373b13ee432dfe5764324a34bccb04ac01288c42cd3c51ac070d52fdbd52b842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e2135ac155b6b9e85ceb7824b0ad253a5603076363b4161eacebffb8e14506
[INFO] running `Command { std: "docker" "start" "-a" "b5e2135ac155b6b9e85ceb7824b0ad253a5603076363b4161eacebffb8e14506", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking maelstrom-node v0.1.0 (/opt/rustwide/workdir/maelstrom-node)
[INFO] [stderr]     Checking kv v0.1.0 (/opt/rustwide/workdir/kv)
[INFO] [stderr]     Checking broadcast-node v0.1.0 (/opt/rustwide/workdir/broadcast-node)
[INFO] [stderr]     Checking kafka-node v0.1.0 (/opt/rustwide/workdir/kafka-node)
[INFO] [stderr]     Checking unique-ids-node v0.1.0 (/opt/rustwide/workdir/unique-ids-node)
[INFO] [stderr]     Checking echo-node v0.1.0 (/opt/rustwide/workdir/echo-node)
[INFO] [stderr]     Checking g-counter-node v0.1.0 (/opt/rustwide/workdir/g-counter-node)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "b5e2135ac155b6b9e85ceb7824b0ad253a5603076363b4161eacebffb8e14506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e2135ac155b6b9e85ceb7824b0ad253a5603076363b4161eacebffb8e14506", kill_on_drop: false }`
[INFO] [stdout] b5e2135ac155b6b9e85ceb7824b0ad253a5603076363b4161eacebffb8e14506