[INFO] crate alloc-singleton 0.1.0 is already in cache
[INFO] testing alloc-singleton-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate alloc-singleton 0.1.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate alloc-singleton 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alloc-singleton 0.1.0
[INFO] finished tweaking crates.io crate alloc-singleton 0.1.0
[INFO] tweaked toml for crates.io crate alloc-singleton 0.1.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 27f2260471c60153c6fecea4bed83f9e7f1601db6cfa8aa0f4d058e0adefa860
[INFO] running `"docker" "start" "-a" "27f2260471c60153c6fecea4bed83f9e7f1601db6cfa8aa0f4d058e0adefa860"`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling owned-singleton v0.1.0
[INFO] [stderr]    Compiling alloc-singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `"docker" "inspect" "27f2260471c60153c6fecea4bed83f9e7f1601db6cfa8aa0f4d058e0adefa860"`
[INFO] running `"docker" "rm" "-f" "27f2260471c60153c6fecea4bed83f9e7f1601db6cfa8aa0f4d058e0adefa860"`
[INFO] [stdout] 27f2260471c60153c6fecea4bed83f9e7f1601db6cfa8aa0f4d058e0adefa860
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad6d71592fb554b8039f86d378e6d7d6879dc8e5855d4bd4304fac2afbb80dfc
[INFO] running `"docker" "start" "-a" "ad6d71592fb554b8039f86d378e6d7d6879dc8e5855d4bd4304fac2afbb80dfc"`
[INFO] [stderr]    Compiling alloc-singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "ad6d71592fb554b8039f86d378e6d7d6879dc8e5855d4bd4304fac2afbb80dfc"`
[INFO] running `"docker" "rm" "-f" "ad6d71592fb554b8039f86d378e6d7d6879dc8e5855d4bd4304fac2afbb80dfc"`
[INFO] [stdout] ad6d71592fb554b8039f86d378e6d7d6879dc8e5855d4bd4304fac2afbb80dfc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ed89e637aeb7b2edffb135e2e2fd11a3b484af6e81c3047e37dfbdd2d2f9c7d6
[INFO] running `"docker" "start" "-a" "ed89e637aeb7b2edffb135e2e2fd11a3b484af6e81c3047e37dfbdd2d2f9c7d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alloc_singleton-f2baeb6675b697b8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test stable::pool::tests::leak ... ok
[INFO] [stdout] test stable::pool::tests::destructor ... ok
[INFO] [stdout] test stable::pool::tests::empty ... ok
[INFO] [stdout] test stable::pool::tests::max_capacity ... ok
[INFO] [stdout] test stable::pool::tests::sanity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alloc-singleton
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stable/pool.rs - stable::pool::Pool (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ed89e637aeb7b2edffb135e2e2fd11a3b484af6e81c3047e37dfbdd2d2f9c7d6"`
[INFO] running `"docker" "rm" "-f" "ed89e637aeb7b2edffb135e2e2fd11a3b484af6e81c3047e37dfbdd2d2f9c7d6"`
[INFO] [stdout] ed89e637aeb7b2edffb135e2e2fd11a3b484af6e81c3047e37dfbdd2d2f9c7d6