[INFO] fetching crate natural-breaks 0.2.0...
[INFO] checking natural-breaks-0.2.0 against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114-1
[INFO] extracting crate natural-breaks 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate natural-breaks 0.2.0
[INFO] finished tweaking crates.io crate natural-breaks 0.2.0
[INFO] tweaked toml for crates.io crate natural-breaks 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate natural-breaks 0.2.0 on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate natural-breaks 0.2.0 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f8e91aa617d5229757ace8befeb8a8a0740457ff7ac1a4d37fb900f2fde98a0
[INFO] running `Command { std: "docker" "start" "-a" "9f8e91aa617d5229757ace8befeb8a8a0740457ff7ac1a4d37fb900f2fde98a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8e91aa617d5229757ace8befeb8a8a0740457ff7ac1a4d37fb900f2fde98a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8e91aa617d5229757ace8befeb8a8a0740457ff7ac1a4d37fb900f2fde98a0", kill_on_drop: false }`
[INFO] [stdout] 9f8e91aa617d5229757ace8befeb8a8a0740457ff7ac1a4d37fb900f2fde98a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0b322ac7d0bc553afcc177d371d62730307a4dd71224f9af8e4a72073537f5
[INFO] running `Command { std: "docker" "start" "-a" "dc0b322ac7d0bc553afcc177d371d62730307a4dd71224f9af8e4a72073537f5", kill_on_drop: false }`
[INFO] [stderr]     Checking natural-breaks v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "dc0b322ac7d0bc553afcc177d371d62730307a4dd71224f9af8e4a72073537f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0b322ac7d0bc553afcc177d371d62730307a4dd71224f9af8e4a72073537f5", kill_on_drop: false }`
[INFO] [stdout] dc0b322ac7d0bc553afcc177d371d62730307a4dd71224f9af8e4a72073537f5
