[INFO] fetching crate fork-tree 2.0.0-alpha.5...
[INFO] checking fork-tree-2.0.0-alpha.5 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate fork-tree 2.0.0-alpha.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate fork-tree 2.0.0-alpha.5 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fork-tree 2.0.0-alpha.5
[INFO] finished tweaking crates.io crate fork-tree 2.0.0-alpha.5
[INFO] tweaked toml for crates.io crate fork-tree 2.0.0-alpha.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42917f7aece22cbb9cc1106eab1ccad7ce0709a34c9fbaeea3b976deab50b7e5
[INFO] running `"docker" "start" "-a" "42917f7aece22cbb9cc1106eab1ccad7ce0709a34c9fbaeea3b976deab50b7e5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking fork-tree v2.0.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `"docker" "inspect" "42917f7aece22cbb9cc1106eab1ccad7ce0709a34c9fbaeea3b976deab50b7e5"`
[INFO] running `"docker" "rm" "-f" "42917f7aece22cbb9cc1106eab1ccad7ce0709a34c9fbaeea3b976deab50b7e5"`
[INFO] [stdout] 42917f7aece22cbb9cc1106eab1ccad7ce0709a34c9fbaeea3b976deab50b7e5