[INFO] fetching crate uncover 0.1.1...
[INFO] checking uncover-0.1.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate uncover 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate uncover 0.1.1 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 uncover 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate uncover 0.1.1
[INFO] tweaked toml for crates.io crate uncover 0.1.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c4c879232c811941a9761a142148b80d68c51d8a13f8b7a029a8b3134de6088
[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" "3c4c879232c811941a9761a142148b80d68c51d8a13f8b7a029a8b3134de6088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c4c879232c811941a9761a142148b80d68c51d8a13f8b7a029a8b3134de6088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4c879232c811941a9761a142148b80d68c51d8a13f8b7a029a8b3134de6088", kill_on_drop: false }`
[INFO] [stdout] 3c4c879232c811941a9761a142148b80d68c51d8a13f8b7a029a8b3134de6088
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5fc1cab58432f2be3aaa93a998b34d833e48d9c83b904e573c857a9ec0f30b79
[INFO] running `Command { std: "docker" "start" "-a" "5fc1cab58432f2be3aaa93a998b34d833e48d9c83b904e573c857a9ec0f30b79", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking uncover v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "5fc1cab58432f2be3aaa93a998b34d833e48d9c83b904e573c857a9ec0f30b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc1cab58432f2be3aaa93a998b34d833e48d9c83b904e573c857a9ec0f30b79", kill_on_drop: false }`
[INFO] [stdout] 5fc1cab58432f2be3aaa93a998b34d833e48d9c83b904e573c857a9ec0f30b79