[INFO] fetching crate reexport-proc-macro 1.0.6...
[INFO] checking reexport-proc-macro-1.0.6 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate reexport-proc-macro 1.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reexport-proc-macro 1.0.6 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reexport-proc-macro 1.0.6
[INFO] finished tweaking crates.io crate reexport-proc-macro 1.0.6
[INFO] tweaked toml for crates.io crate reexport-proc-macro 1.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map v0.2.36
[INFO] [stderr]   Downloaded enum-map-derive v0.2.10
[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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fd0aa4c05ebda6bfcd3a75e732d4e10875b6c1a8bfd09d0fb3637b8d11358a4
[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" "4fd0aa4c05ebda6bfcd3a75e732d4e10875b6c1a8bfd09d0fb3637b8d11358a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fd0aa4c05ebda6bfcd3a75e732d4e10875b6c1a8bfd09d0fb3637b8d11358a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd0aa4c05ebda6bfcd3a75e732d4e10875b6c1a8bfd09d0fb3637b8d11358a4", kill_on_drop: false }`
[INFO] [stdout] 4fd0aa4c05ebda6bfcd3a75e732d4e10875b6c1a8bfd09d0fb3637b8d11358a4
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a947e7c05f21125db6075a8c7720b034faaa43c056b1d6769f892fe3e8c085
[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" "62a947e7c05f21125db6075a8c7720b034faaa43c056b1d6769f892fe3e8c085", kill_on_drop: false }`
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking enum-map v0.2.36
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.49s
[INFO] running `Command { std: "docker" "inspect" "62a947e7c05f21125db6075a8c7720b034faaa43c056b1d6769f892fe3e8c085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a947e7c05f21125db6075a8c7720b034faaa43c056b1d6769f892fe3e8c085", kill_on_drop: false }`
[INFO] [stdout] 62a947e7c05f21125db6075a8c7720b034faaa43c056b1d6769f892fe3e8c085