[INFO] fetching crate overlord 0.2.1...
[INFO] documenting overlord-0.2.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate overlord 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate overlord 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate overlord 0.2.1
[INFO] finished tweaking crates.io crate overlord 0.2.1
[INFO] tweaked toml for crates.io crate overlord 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate overlord 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 6acbd12a96ed7655b3a9c364419c0239713bd9475eb99615cb20cf6408a8c116
[INFO] running `Command { std: "docker" "start" "-a" "6acbd12a96ed7655b3a9c364419c0239713bd9475eb99615cb20cf6408a8c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6acbd12a96ed7655b3a9c364419c0239713bd9475eb99615cb20cf6408a8c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6acbd12a96ed7655b3a9c364419c0239713bd9475eb99615cb20cf6408a8c116", kill_on_drop: false }`
[INFO] [stdout] 6acbd12a96ed7655b3a9c364419c0239713bd9475eb99615cb20cf6408a8c116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 725db0743a4723c13f3b9579b3109b5c28285af4bcba5254a150d2051c8047ae
[INFO] running `Command { std: "docker" "start" "-a" "725db0743a4723c13f3b9579b3109b5c28285af4bcba5254a150d2051c8047ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking creep v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking prime_tools v0.2.2
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking rustracing v0.4.0
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking rustracing_jaeger v0.4.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling muta-apm-derive v0.1.0-alpha.12
[INFO] [stderr]     Checking muta-apm v0.1.0-alpha.15
[INFO] [stdout] error: cannot determine resolution for the attribute macro `derive`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/muta-apm-0.1.0-alpha.15/src/lib.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Default)]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `muta-apm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "725db0743a4723c13f3b9579b3109b5c28285af4bcba5254a150d2051c8047ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725db0743a4723c13f3b9579b3109b5c28285af4bcba5254a150d2051c8047ae", kill_on_drop: false }`
[INFO] [stdout] 725db0743a4723c13f3b9579b3109b5c28285af4bcba5254a150d2051c8047ae
