[INFO] crate simple_ringbuf 0.1.2 is already in cache
[INFO] extracting crate simple_ringbuf 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/simple_ringbuf/0.1.2
[INFO] extracting crate simple_ringbuf 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple_ringbuf/0.1.2
[INFO] validating manifest of simple_ringbuf-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of simple_ringbuf-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing simple_ringbuf-0.1.2
[INFO] finished frobbing simple_ringbuf-0.1.2
[INFO] frobbed toml for simple_ringbuf-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/simple_ringbuf/0.1.2/Cargo.toml
[INFO] started frobbing simple_ringbuf-0.1.2
[INFO] finished frobbing simple_ringbuf-0.1.2
[INFO] frobbed toml for simple_ringbuf-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple_ringbuf/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing simple_ringbuf-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple_ringbuf/0.1.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4ffed79775b423888f70678c8aa4106db921518a579a4081aaf44486eeaad504
[INFO] running `"docker" "start" "-a" "4ffed79775b423888f70678c8aa4106db921518a579a4081aaf44486eeaad504"`
[INFO] [stderr]    Compiling simple_ringbuf v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "4ffed79775b423888f70678c8aa4106db921518a579a4081aaf44486eeaad504"`
[INFO] running `"docker" "rm" "-f" "4ffed79775b423888f70678c8aa4106db921518a579a4081aaf44486eeaad504"`
[INFO] [stdout] 4ffed79775b423888f70678c8aa4106db921518a579a4081aaf44486eeaad504
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple_ringbuf/0.1.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 314e9d13663b0c225f29881afd613aa7392d78bcb636cd0ece7a7df431c6db22
[INFO] running `"docker" "start" "-a" "314e9d13663b0c225f29881afd613aa7392d78bcb636cd0ece7a7df431c6db22"`
[INFO] [stderr]    Compiling serde_test v1.0.99
[INFO] [stderr]    Compiling simple_ringbuf v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `"docker" "inspect" "314e9d13663b0c225f29881afd613aa7392d78bcb636cd0ece7a7df431c6db22"`
[INFO] running `"docker" "rm" "-f" "314e9d13663b0c225f29881afd613aa7392d78bcb636cd0ece7a7df431c6db22"`
[INFO] [stdout] 314e9d13663b0c225f29881afd613aa7392d78bcb636cd0ece7a7df431c6db22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple_ringbuf/0.1.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a61a81b553bcccd710604c862cde8b4c79818909a56a24fcee5130e813ab84ad
[INFO] running `"docker" "start" "-a" "a61a81b553bcccd710604c862cde8b4c79818909a56a24fcee5130e813ab84ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_ringbuf-73eca679775b4f72
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/common-9df81b56fcddebe4
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_tests-f3030b6130d7d0e2
[INFO] [stdout] test test::sub_rem ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-39c122ef6891a102
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] [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 6 tests
[INFO] [stdout] end 0 begin 1
[INFO] [stdout] test ringiness ... ok
[INFO] [stdout] test clone ... ok
[INFO] [stdout] test justify ... ok
[INFO] [stdout] test resize ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test add_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::justify (line 398) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_justified (line 516) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop (line 311) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop_oldest (line 345) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push (line 198) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::elem_equal (line 681) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::from_exact_size_iter (line 115) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::resize (line 555) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::from_iter_cap (line 150) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push_back (line 255) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a61a81b553bcccd710604c862cde8b4c79818909a56a24fcee5130e813ab84ad"`
[INFO] running `"docker" "rm" "-f" "a61a81b553bcccd710604c862cde8b4c79818909a56a24fcee5130e813ab84ad"`
[INFO] [stdout] a61a81b553bcccd710604c862cde8b4c79818909a56a24fcee5130e813ab84ad