[INFO] crate abox 0.4.0 is already in cache
[INFO] extracting crate abox 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/abox/0.4.0
[INFO] extracting crate abox 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/abox/0.4.0
[INFO] validating manifest of abox-0.4.0 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 abox-0.4.0 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 abox-0.4.0
[INFO] finished frobbing abox-0.4.0
[INFO] frobbed toml for abox-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/abox/0.4.0/Cargo.toml
[INFO] started frobbing abox-0.4.0
[INFO] finished frobbing abox-0.4.0
[INFO] frobbed toml for abox-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/abox/0.4.0/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 abox-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/abox/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 87084e65862ed28d58f5f90456a26b9469195b4de90a466e85666b06eec84a21
[INFO] running `"docker" "start" "-a" "87084e65862ed28d58f5f90456a26b9469195b4de90a466e85666b06eec84a21"`
[INFO] [stderr]    Compiling abox v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "87084e65862ed28d58f5f90456a26b9469195b4de90a466e85666b06eec84a21"`
[INFO] running `"docker" "rm" "-f" "87084e65862ed28d58f5f90456a26b9469195b4de90a466e85666b06eec84a21"`
[INFO] [stdout] 87084e65862ed28d58f5f90456a26b9469195b4de90a466e85666b06eec84a21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/abox/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37163edfd3409acaf5508c71054b7769154ca8fcf5ffd4da2965bc519d62123a
[INFO] running `"docker" "start" "-a" "37163edfd3409acaf5508c71054b7769154ca8fcf5ffd4da2965bc519d62123a"`
[INFO] [stderr]    Compiling abox v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "37163edfd3409acaf5508c71054b7769154ca8fcf5ffd4da2965bc519d62123a"`
[INFO] running `"docker" "rm" "-f" "37163edfd3409acaf5508c71054b7769154ca8fcf5ffd4da2965bc519d62123a"`
[INFO] [stdout] 37163edfd3409acaf5508c71054b7769154ca8fcf5ffd4da2965bc519d62123a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/abox/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 36ed1bed8c81f62cd37c574f68c63cad6bef0a0c26f14b91f867cb80a9ad72cb
[INFO] running `"docker" "start" "-a" "36ed1bed8c81f62cd37c574f68c63cad6bef0a0c26f14b91f867cb80a9ad72cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/abox-159447d67d235c5a
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::atomic_arc_replace_with ... ok
[INFO] [stdout] test tests::atomic_arc_replace_instance ... ok
[INFO] [stdout] test tests::atomic_arc_replace_with_ten_times ... ok
[INFO] [stdout] test tests::atomic_arc_new ... ok
[INFO] [stdout] test tests::atomic_arc_vector_container ... ok
[INFO] [stdout] test tests::atomic_arc_threaded_contention ... ok
[INFO] [stdout] test tests::atomic_arc_threaded_leak_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests abox
[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" "36ed1bed8c81f62cd37c574f68c63cad6bef0a0c26f14b91f867cb80a9ad72cb"`
[INFO] running `"docker" "rm" "-f" "36ed1bed8c81f62cd37c574f68c63cad6bef0a0c26f14b91f867cb80a9ad72cb"`
[INFO] [stdout] 36ed1bed8c81f62cd37c574f68c63cad6bef0a0c26f14b91f867cb80a9ad72cb