[INFO] fetching crate bookcase 0.1.0...
[INFO] checking bookcase-0.1.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate bookcase 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bookcase 0.1.0 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 bookcase 0.1.0
[INFO] finished tweaking crates.io crate bookcase 0.1.0
[INFO] tweaked toml for crates.io crate bookcase 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bookcase 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] edf44a35c657eca56c65f5c6d997eff57f3a8ea3b6a87811685c4326d032b516
[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" "edf44a35c657eca56c65f5c6d997eff57f3a8ea3b6a87811685c4326d032b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf44a35c657eca56c65f5c6d997eff57f3a8ea3b6a87811685c4326d032b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf44a35c657eca56c65f5c6d997eff57f3a8ea3b6a87811685c4326d032b516", kill_on_drop: false }`
[INFO] [stdout] edf44a35c657eca56c65f5c6d997eff57f3a8ea3b6a87811685c4326d032b516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96e43f39ecfb526886111d499dbb38a49b9839ec87016d6a0073e3fd6f89b67f
[INFO] running `Command { std: "docker" "start" "-a" "96e43f39ecfb526886111d499dbb38a49b9839ec87016d6a0073e3fd6f89b67f", kill_on_drop: false }`
[INFO] [stderr]     Checking bookcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "96e43f39ecfb526886111d499dbb38a49b9839ec87016d6a0073e3fd6f89b67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e43f39ecfb526886111d499dbb38a49b9839ec87016d6a0073e3fd6f89b67f", kill_on_drop: false }`
[INFO] [stdout] 96e43f39ecfb526886111d499dbb38a49b9839ec87016d6a0073e3fd6f89b67f