[INFO] fetching crate tuple-combinator 0.2.1...
[INFO] checking tuple-combinator-0.2.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate tuple-combinator 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tuple-combinator 0.2.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuple-combinator 0.2.1
[INFO] finished tweaking crates.io crate tuple-combinator 0.2.1
[INFO] tweaked toml for crates.io crate tuple-combinator 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f16727914e0a08b2610261bff4bdc7ccb300c4a27f58e9c3b9b7c3dd8eb0cd44
[INFO] running `Command { std: "docker" "start" "-a" "f16727914e0a08b2610261bff4bdc7ccb300c4a27f58e9c3b9b7c3dd8eb0cd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16727914e0a08b2610261bff4bdc7ccb300c4a27f58e9c3b9b7c3dd8eb0cd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16727914e0a08b2610261bff4bdc7ccb300c4a27f58e9c3b9b7c3dd8eb0cd44", kill_on_drop: false }`
[INFO] [stdout] f16727914e0a08b2610261bff4bdc7ccb300c4a27f58e9c3b9b7c3dd8eb0cd44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ef206f4dec3a0cb6e1b4e0f37f3fa2ee87e40c9ef7d3c0ec32f5b2f43e66a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68ef206f4dec3a0cb6e1b4e0f37f3fa2ee87e40c9ef7d3c0ec32f5b2f43e66a6", kill_on_drop: false }`
[INFO] [stderr]     Checking tuple-combinator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "68ef206f4dec3a0cb6e1b4e0f37f3fa2ee87e40c9ef7d3c0ec32f5b2f43e66a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ef206f4dec3a0cb6e1b4e0f37f3fa2ee87e40c9ef7d3c0ec32f5b2f43e66a6", kill_on_drop: false }`
[INFO] [stdout] 68ef206f4dec3a0cb6e1b4e0f37f3fa2ee87e40c9ef7d3c0ec32f5b2f43e66a6