[INFO] cloning repository https://github.com/sakikuroe/two-way-merge-sort-mini-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakikuroe/two-way-merge-sort-mini-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Ftwo-way-merge-sort-mini-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Ftwo-way-merge-sort-mini-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebfa5155f95a64d4171f383c9bee4972478b7465
[INFO] checking sakikuroe/two-way-merge-sort-mini-Rust against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Ftwo-way-merge-sort-mini-Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sakikuroe/two-way-merge-sort-mini-Rust on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sakikuroe/two-way-merge-sort-mini-Rust
[INFO] finished tweaking git repo https://github.com/sakikuroe/two-way-merge-sort-mini-Rust
[INFO] tweaked toml for git repo https://github.com/sakikuroe/two-way-merge-sort-mini-Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sakikuroe/two-way-merge-sort-mini-Rust 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f5cb352e5ef3cbe32d7fda6290ddca5255baede8cf820a7845bdb2a8714134
[INFO] running `Command { std: "docker" "start" "-a" "e4f5cb352e5ef3cbe32d7fda6290ddca5255baede8cf820a7845bdb2a8714134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f5cb352e5ef3cbe32d7fda6290ddca5255baede8cf820a7845bdb2a8714134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f5cb352e5ef3cbe32d7fda6290ddca5255baede8cf820a7845bdb2a8714134", kill_on_drop: false }`
[INFO] [stdout] e4f5cb352e5ef3cbe32d7fda6290ddca5255baede8cf820a7845bdb2a8714134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9110d32f9c3bbd30ead7a2e73608ab6085cab412b62f1d72ff03b596563b2e87
[INFO] running `Command { std: "docker" "start" "-a" "9110d32f9c3bbd30ead7a2e73608ab6085cab412b62f1d72ff03b596563b2e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking my_merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "9110d32f9c3bbd30ead7a2e73608ab6085cab412b62f1d72ff03b596563b2e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9110d32f9c3bbd30ead7a2e73608ab6085cab412b62f1d72ff03b596563b2e87", kill_on_drop: false }`
[INFO] [stdout] 9110d32f9c3bbd30ead7a2e73608ab6085cab412b62f1d72ff03b596563b2e87