[INFO] fetching crate tirocks 0.1.0...
[INFO] checking tirocks-0.1.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate tirocks 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tirocks 0.1.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tirocks 0.1.0
[INFO] finished tweaking crates.io crate tirocks 0.1.0
[INFO] tweaked toml for crates.io crate tirocks 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate tirocks 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a2a7e1c3f85af0994377cbfcb63d0b8044cf3eeddd5fdf00188a690b38d1cd
[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" "74a2a7e1c3f85af0994377cbfcb63d0b8044cf3eeddd5fdf00188a690b38d1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a2a7e1c3f85af0994377cbfcb63d0b8044cf3eeddd5fdf00188a690b38d1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a2a7e1c3f85af0994377cbfcb63d0b8044cf3eeddd5fdf00188a690b38d1cd", kill_on_drop: false }`
[INFO] [stdout] 74a2a7e1c3f85af0994377cbfcb63d0b8044cf3eeddd5fdf00188a690b38d1cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] 034f5e8737d8170c5b84d87a38c90938cbfa9f4ecba03816d8a3d41885f8ce55
[INFO] running `Command { std: "docker" "start" "-a" "034f5e8737d8170c5b84d87a38c90938cbfa9f4ecba03816d8a3d41885f8ce55", kill_on_drop: false }`
[INFO] [stderr]     Checking tirocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "034f5e8737d8170c5b84d87a38c90938cbfa9f4ecba03816d8a3d41885f8ce55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034f5e8737d8170c5b84d87a38c90938cbfa9f4ecba03816d8a3d41885f8ce55", kill_on_drop: false }`
[INFO] [stdout] 034f5e8737d8170c5b84d87a38c90938cbfa9f4ecba03816d8a3d41885f8ce55