[INFO] crate ilc-ops 0.1.2 is already in cache
[INFO] extracting crate ilc-ops 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/ilc-ops/0.1.2
[INFO] extracting crate ilc-ops 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ilc-ops/0.1.2
[INFO] validating manifest of ilc-ops-0.1.2 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 ilc-ops-0.1.2 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 ilc-ops-0.1.2
[INFO] finished frobbing ilc-ops-0.1.2
[INFO] frobbed toml for ilc-ops-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ilc-ops/0.1.2/Cargo.toml
[INFO] started frobbing ilc-ops-0.1.2
[INFO] finished frobbing ilc-ops-0.1.2
[INFO] frobbed toml for ilc-ops-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ilc-ops/0.1.2/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 ilc-ops-0.1.2 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ilc-ops/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] aef4c9439d75f83b7411952f06fdacd9d37458d66a44c60afa4d727a6d2d215c
[INFO] running `"docker" "start" "-a" "aef4c9439d75f83b7411952f06fdacd9d37458d66a44c60afa4d727a6d2d215c"`
[INFO] [stderr]    Compiling linked-list v0.0.3
[INFO] [stderr]    Compiling bit-set v0.3.0
[INFO] [stderr]    Compiling traverse v0.0.12
[INFO] [stderr]    Compiling ilc-base v0.2.0
[INFO] [stderr]    Compiling blist v0.0.4
[INFO] [stderr]    Compiling ilc-ops v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::iter::Peekable` that must be used
[INFO] [stderr]    --> src/lib.rs:222:17
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 events.remove(offset + idx);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `"docker" "inspect" "aef4c9439d75f83b7411952f06fdacd9d37458d66a44c60afa4d727a6d2d215c"`
[INFO] running `"docker" "rm" "-f" "aef4c9439d75f83b7411952f06fdacd9d37458d66a44c60afa4d727a6d2d215c"`
[INFO] [stdout] aef4c9439d75f83b7411952f06fdacd9d37458d66a44c60afa4d727a6d2d215c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ilc-ops/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3f5fd5dec40290681007166e8cd4907862fae5ac37dc2c54d401505597768f55
[INFO] running `"docker" "start" "-a" "3f5fd5dec40290681007166e8cd4907862fae5ac37dc2c54d401505597768f55"`
[INFO] [stderr]    Compiling ilc-ops v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::iter::Peekable` that must be used
[INFO] [stderr]    --> src/lib.rs:222:17
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 events.remove(offset + idx);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "3f5fd5dec40290681007166e8cd4907862fae5ac37dc2c54d401505597768f55"`
[INFO] running `"docker" "rm" "-f" "3f5fd5dec40290681007166e8cd4907862fae5ac37dc2c54d401505597768f55"`
[INFO] [stdout] 3f5fd5dec40290681007166e8cd4907862fae5ac37dc2c54d401505597768f55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ilc-ops/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c72b51286bf0adbf6ed9bba76500a07641996dddae8bd56c5db706516f491c67
[INFO] running `"docker" "start" "-a" "c72b51286bf0adbf6ed9bba76500a07641996dddae8bd56c5db706516f491c67"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ilc_ops-92f86ec825a576ba
[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] [stderr]    Doc-tests ilc-ops
[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" "c72b51286bf0adbf6ed9bba76500a07641996dddae8bd56c5db706516f491c67"`
[INFO] running `"docker" "rm" "-f" "c72b51286bf0adbf6ed9bba76500a07641996dddae8bd56c5db706516f491c67"`
[INFO] [stdout] c72b51286bf0adbf6ed9bba76500a07641996dddae8bd56c5db706516f491c67