[INFO] crate hashconsing 1.0.1 is already in cache
[INFO] building hashconsing-1.0.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate hashconsing 1.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hashconsing 1.0.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hashconsing 1.0.1
[INFO] finished tweaking crates.io crate hashconsing 1.0.1
[INFO] tweaked toml for crates.io crate hashconsing 1.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] bd4a467fec3f9ed0704efed181398f496c4f5ceaa10c9490379102b7ad74960a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bd4a467fec3f9ed0704efed181398f496c4f5ceaa10c9490379102b7ad74960a"`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hashconsing v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "bd4a467fec3f9ed0704efed181398f496c4f5ceaa10c9490379102b7ad74960a"`
[INFO] running `"docker" "rm" "-f" "bd4a467fec3f9ed0704efed181398f496c4f5ceaa10c9490379102b7ad74960a"`
[INFO] [stdout] bd4a467fec3f9ed0704efed181398f496c4f5ceaa10c9490379102b7ad74960a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9f594d3d8831487a905c5cd078fd660a469981600d1e09eed460c2363e37951
[INFO] running `"docker" "start" "-a" "d9f594d3d8831487a905c5cd078fd660a469981600d1e09eed460c2363e37951"`
[INFO] [stderr]    Compiling hashconsing v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "d9f594d3d8831487a905c5cd078fd660a469981600d1e09eed460c2363e37951"`
[INFO] running `"docker" "rm" "-f" "d9f594d3d8831487a905c5cd078fd660a469981600d1e09eed460c2363e37951"`
[INFO] [stdout] d9f594d3d8831487a905c5cd078fd660a469981600d1e09eed460c2363e37951