[INFO] fetching crate observatory 0.1.7...
[INFO] checking observatory-0.1.7 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate observatory 0.1.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate observatory 0.1.7 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observatory 0.1.7
[INFO] finished tweaking crates.io crate observatory 0.1.7
[INFO] tweaked toml for crates.io crate observatory 0.1.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 8a38708d7ff3bb0b1eada4ba6e2797a6ba0feab86b0aaab9c4583668b6efba06
[INFO] running `Command { std: "docker" "start" "-a" "8a38708d7ff3bb0b1eada4ba6e2797a6ba0feab86b0aaab9c4583668b6efba06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a38708d7ff3bb0b1eada4ba6e2797a6ba0feab86b0aaab9c4583668b6efba06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a38708d7ff3bb0b1eada4ba6e2797a6ba0feab86b0aaab9c4583668b6efba06", kill_on_drop: false }`
[INFO] [stdout] 8a38708d7ff3bb0b1eada4ba6e2797a6ba0feab86b0aaab9c4583668b6efba06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06dcea34f6a43f7c6fad122f251187a5d0cafab5c614eff9d1c06f3b09e2ed2
[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" "f06dcea34f6a43f7c6fad122f251187a5d0cafab5c614eff9d1c06f3b09e2ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking observatory v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "f06dcea34f6a43f7c6fad122f251187a5d0cafab5c614eff9d1c06f3b09e2ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06dcea34f6a43f7c6fad122f251187a5d0cafab5c614eff9d1c06f3b09e2ed2", kill_on_drop: false }`
[INFO] [stdout] f06dcea34f6a43f7c6fad122f251187a5d0cafab5c614eff9d1c06f3b09e2ed2