[INFO] fetching crate ptr-union 2.0.0-pre...
[INFO] testing ptr-union-2.0.0-pre against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ptr-union 2.0.0-pre into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ptr-union 2.0.0-pre on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 3884fb44e352af03ec76536224853aec4e362ab44a3b52b2b81503f2501208e5
[INFO] running `"docker" "start" "-a" "3884fb44e352af03ec76536224853aec4e362ab44a3b52b2b81503f2501208e5"`
[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 scopeguard v1.1.0
[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 19.82s
[INFO] running `"docker" "inspect" "3884fb44e352af03ec76536224853aec4e362ab44a3b52b2b81503f2501208e5"`
[INFO] running `"docker" "rm" "-f" "3884fb44e352af03ec76536224853aec4e362ab44a3b52b2b81503f2501208e5"`
[INFO] [stdout] 3884fb44e352af03ec76536224853aec4e362ab44a3b52b2b81503f2501208e5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5dca0b778c28dad967b01f5c94fbed9686b70a52f85f7d23b30ae7931ac15e9a
[INFO] running `"docker" "start" "-a" "5dca0b778c28dad967b01f5c94fbed9686b70a52f85f7d23b30ae7931ac15e9a"`
[INFO] [stderr]    Compiling ptr-union v2.0.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "5dca0b778c28dad967b01f5c94fbed9686b70a52f85f7d23b30ae7931ac15e9a"`
[INFO] running `"docker" "rm" "-f" "5dca0b778c28dad967b01f5c94fbed9686b70a52f85f7d23b30ae7931ac15e9a"`
[INFO] [stdout] 5dca0b778c28dad967b01f5c94fbed9686b70a52f85f7d23b30ae7931ac15e9a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 168e4187ef521edbd3b33e89d3ac95022eed8a5a49847f7583fad535fb86b6ba
[INFO] running `"docker" "start" "-a" "168e4187ef521edbd3b33e89d3ac95022eed8a5a49847f7583fad535fb86b6ba"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ptr_union-0891a8f77b3e7ec0
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke-287838da0317bca5
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test smoke4 ... ok
[INFO] [stdout] test smoke3 ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stderr]    Doc-tests ptr-union
[INFO] [stdout] test smoke2 ... 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" "168e4187ef521edbd3b33e89d3ac95022eed8a5a49847f7583fad535fb86b6ba"`
[INFO] running `"docker" "rm" "-f" "168e4187ef521edbd3b33e89d3ac95022eed8a5a49847f7583fad535fb86b6ba"`
[INFO] [stdout] 168e4187ef521edbd3b33e89d3ac95022eed8a5a49847f7583fad535fb86b6ba