[INFO] fetching crate ptr-union 2.0.0-pre...
[INFO] testing ptr-union-2.0.0-pre against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate ptr-union 2.0.0-pre into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ptr-union 2.0.0-pre on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ptr-union 2.0.0-pre
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ptr-union 2.0.0-pre
[INFO] tweaked toml for crates.io crate ptr-union 2.0.0-pre 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c6449e9fac056471784fe51ea292232efc08c30e5026f3df8696fb1912d36d7
[INFO] running `"docker" "start" "-a" "4c6449e9fac056471784fe51ea292232efc08c30e5026f3df8696fb1912d36d7"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling erasable v1.1.1
[INFO] [stderr]    Compiling ptr-union v2.0.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling paste v0.1.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.23s
[INFO] running `"docker" "inspect" "4c6449e9fac056471784fe51ea292232efc08c30e5026f3df8696fb1912d36d7"`
[INFO] running `"docker" "rm" "-f" "4c6449e9fac056471784fe51ea292232efc08c30e5026f3df8696fb1912d36d7"`
[INFO] [stdout] 4c6449e9fac056471784fe51ea292232efc08c30e5026f3df8696fb1912d36d7
[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] 4708b484bce6ca94901a2f79f99b05807142830a52dea7cf482f9a928a00c0a9
[INFO] running `"docker" "start" "-a" "4708b484bce6ca94901a2f79f99b05807142830a52dea7cf482f9a928a00c0a9"`
[INFO] [stderr]    Compiling ptr-union v2.0.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "4708b484bce6ca94901a2f79f99b05807142830a52dea7cf482f9a928a00c0a9"`
[INFO] running `"docker" "rm" "-f" "4708b484bce6ca94901a2f79f99b05807142830a52dea7cf482f9a928a00c0a9"`
[INFO] [stdout] 4708b484bce6ca94901a2f79f99b05807142830a52dea7cf482f9a928a00c0a9
[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"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7515d38598c5f4d8967dd02882246db1aefe324edb145c3036e9a8e9595bf116
[INFO] running `"docker" "start" "-a" "7515d38598c5f4d8967dd02882246db1aefe324edb145c3036e9a8e9595bf116"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ptr_union-0891a8f77b3e7ec0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke-287838da0317bca5
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test smoke3 ... ok
[INFO] [stdout] test smoke2 ... ok
[INFO] [stderr]    Doc-tests ptr-union
[INFO] [stdout] test smoke4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7515d38598c5f4d8967dd02882246db1aefe324edb145c3036e9a8e9595bf116"`
[INFO] running `"docker" "rm" "-f" "7515d38598c5f4d8967dd02882246db1aefe324edb145c3036e9a8e9595bf116"`
[INFO] [stdout] 7515d38598c5f4d8967dd02882246db1aefe324edb145c3036e9a8e9595bf116