[INFO] crate event-brust 0.2.2 is already in cache
[INFO] extracting crate event-brust 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/event-brust/0.2.2
[INFO] extracting crate event-brust 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/event-brust/0.2.2
[INFO] validating manifest of event-brust-0.2.2 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 event-brust-0.2.2 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 event-brust-0.2.2
[INFO] finished frobbing event-brust-0.2.2
[INFO] frobbed toml for event-brust-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/event-brust/0.2.2/Cargo.toml
[INFO] started frobbing event-brust-0.2.2
[INFO] finished frobbing event-brust-0.2.2
[INFO] frobbed toml for event-brust-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/event-brust/0.2.2/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing event-brust-0.2.2 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-2/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/event-brust/0.2.2:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c47ba25fa56c48e7df181a787f138925ce63a6d8bb2912ece2b79c18a24e9e5d
[INFO] running `"docker" "start" "-a" "c47ba25fa56c48e7df181a787f138925ce63a6d8bb2912ece2b79c18a24e9e5d"`
[INFO] [stderr]    Compiling event-brust v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "c47ba25fa56c48e7df181a787f138925ce63a6d8bb2912ece2b79c18a24e9e5d"`
[INFO] running `"docker" "rm" "-f" "c47ba25fa56c48e7df181a787f138925ce63a6d8bb2912ece2b79c18a24e9e5d"`
[INFO] [stdout] c47ba25fa56c48e7df181a787f138925ce63a6d8bb2912ece2b79c18a24e9e5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/event-brust/0.2.2:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2f53d292d3b611f3495247cffae77ee57ce23f060f292faaff7c77c6516df606
[INFO] running `"docker" "start" "-a" "2f53d292d3b611f3495247cffae77ee57ce23f060f292faaff7c77c6516df606"`
[INFO] [stderr]    Compiling event-brust v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "2f53d292d3b611f3495247cffae77ee57ce23f060f292faaff7c77c6516df606"`
[INFO] running `"docker" "rm" "-f" "2f53d292d3b611f3495247cffae77ee57ce23f060f292faaff7c77c6516df606"`
[INFO] [stdout] 2f53d292d3b611f3495247cffae77ee57ce23f060f292faaff7c77c6516df606
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/event-brust/0.2.2:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4de91a0b5c5294dab5b907ad8cc98354e316e9b317c7a971bf9c49b6acac857f
[INFO] running `"docker" "start" "-a" "4de91a0b5c5294dab5b907ad8cc98354e316e9b317c7a971bf9c49b6acac857f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/event_brust-ee6b2d2738c321d8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::demo ... ok
[INFO] [stderr]    Doc-tests event-brust
[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] running `"docker" "inspect" "4de91a0b5c5294dab5b907ad8cc98354e316e9b317c7a971bf9c49b6acac857f"`
[INFO] running `"docker" "rm" "-f" "4de91a0b5c5294dab5b907ad8cc98354e316e9b317c7a971bf9c49b6acac857f"`
[INFO] [stdout] 4de91a0b5c5294dab5b907ad8cc98354e316e9b317c7a971bf9c49b6acac857f