[INFO] crate alloc-singleton 0.1.0 is already in cache
[INFO] extracting crate alloc-singleton 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/alloc-singleton/0.1.0
[INFO] extracting crate alloc-singleton 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/alloc-singleton/0.1.0
[INFO] validating manifest of alloc-singleton-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alloc-singleton-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alloc-singleton-0.1.0
[INFO] finished frobbing alloc-singleton-0.1.0
[INFO] frobbed toml for alloc-singleton-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/alloc-singleton/0.1.0/Cargo.toml
[INFO] started frobbing alloc-singleton-0.1.0
[INFO] finished frobbing alloc-singleton-0.1.0
[INFO] frobbed toml for alloc-singleton-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/alloc-singleton/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alloc-singleton-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/alloc-singleton/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fdd62c7886bcea92791b2e2c533cde2f8175498da06a14f105ba00476ef22cba
[INFO] running `"docker" "start" "-a" "fdd62c7886bcea92791b2e2c533cde2f8175498da06a14f105ba00476ef22cba"`
[INFO] [stderr]    Compiling rand_core v0.4.0
[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/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `"docker" "inspect" "fdd62c7886bcea92791b2e2c533cde2f8175498da06a14f105ba00476ef22cba"`
[INFO] running `"docker" "rm" "-f" "fdd62c7886bcea92791b2e2c533cde2f8175498da06a14f105ba00476ef22cba"`
[INFO] [stdout] fdd62c7886bcea92791b2e2c533cde2f8175498da06a14f105ba00476ef22cba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/alloc-singleton/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c71040645a53a965d5150b6e88269373cb951eb6da3cdc551450ada132b260d
[INFO] running `"docker" "start" "-a" "6c71040645a53a965d5150b6e88269373cb951eb6da3cdc551450ada132b260d"`
[INFO] [stderr]    Compiling alloc-singleton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "6c71040645a53a965d5150b6e88269373cb951eb6da3cdc551450ada132b260d"`
[INFO] running `"docker" "rm" "-f" "6c71040645a53a965d5150b6e88269373cb951eb6da3cdc551450ada132b260d"`
[INFO] [stdout] 6c71040645a53a965d5150b6e88269373cb951eb6da3cdc551450ada132b260d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/alloc-singleton/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4389838fe7d7125a9f82782117f9ebabf7f59aec1f6119ce9e27ae4881f5751b
[INFO] running `"docker" "start" "-a" "4389838fe7d7125a9f82782117f9ebabf7f59aec1f6119ce9e27ae4881f5751b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/alloc_singleton-6ee1b71b60faedc2
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test stable::pool::tests::destructor ... ok
[INFO] [stdout] test stable::pool::tests::empty ... ok
[INFO] [stdout] test stable::pool::tests::leak ... 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" "4389838fe7d7125a9f82782117f9ebabf7f59aec1f6119ce9e27ae4881f5751b"`
[INFO] running `"docker" "rm" "-f" "4389838fe7d7125a9f82782117f9ebabf7f59aec1f6119ce9e27ae4881f5751b"`
[INFO] [stdout] 4389838fe7d7125a9f82782117f9ebabf7f59aec1f6119ce9e27ae4881f5751b