[INFO] updating cached repository matklad/drop_bomb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/drop_bomb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/drop_bomb" "work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/drop_bomb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/drop_bomb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/drop_bomb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f664dd6361f6f7b6d54d6c4c799c2fd2e47dda78
[INFO] sha for GitHub repo matklad/drop_bomb: f664dd6361f6f7b6d54d6c4c799c2fd2e47dda78
[INFO] validating manifest of matklad/drop_bomb 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 matklad/drop_bomb 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 matklad/drop_bomb
[INFO] finished frobbing matklad/drop_bomb
[INFO] frobbed toml for matklad/drop_bomb written to work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb/Cargo.toml
[INFO] started frobbing matklad/drop_bomb
[INFO] finished frobbing matklad/drop_bomb
[INFO] frobbed toml for matklad/drop_bomb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/drop_bomb/Cargo.toml
[INFO] crate matklad/drop_bomb already has a lockfile, it will not be regenerated
[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] testing matklad/drop_bomb 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb:/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] 5fb392e014e718c3047a3c5c6eeaff215a2a6a4822fbb14d03661b02dc736a4b
[INFO] running `"docker" "start" "-a" "5fb392e014e718c3047a3c5c6eeaff215a2a6a4822fbb14d03661b02dc736a4b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling drop_bomb v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "5fb392e014e718c3047a3c5c6eeaff215a2a6a4822fbb14d03661b02dc736a4b"`
[INFO] running `"docker" "rm" "-f" "5fb392e014e718c3047a3c5c6eeaff215a2a6a4822fbb14d03661b02dc736a4b"`
[INFO] [stdout] 5fb392e014e718c3047a3c5c6eeaff215a2a6a4822fbb14d03661b02dc736a4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb:/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] e4672b8663076b1361871561ac09bbc4410204d5f5e71c877f32318756b82e66
[INFO] running `"docker" "start" "-a" "e4672b8663076b1361871561ac09bbc4410204d5f5e71c877f32318756b82e66"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling drop_bomb v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "e4672b8663076b1361871561ac09bbc4410204d5f5e71c877f32318756b82e66"`
[INFO] running `"docker" "rm" "-f" "e4672b8663076b1361871561ac09bbc4410204d5f5e71c877f32318756b82e66"`
[INFO] [stdout] e4672b8663076b1361871561ac09bbc4410204d5f5e71c877f32318756b82e66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/drop_bomb:/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] 3c952cf932ae7e40060fdab757a1092ae2368ad054ae33cdae8eaee630fc3bac
[INFO] running `"docker" "start" "-a" "3c952cf932ae7e40060fdab757a1092ae2368ad054ae33cdae8eaee630fc3bac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/drop_bomb-f6946553927ff578
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::check_traits ... ok
[INFO] [stdout] test tests::defused_bomb_is_safe_if_debug ... ok
[INFO] [stdout] test tests::defused_bomb_is_safe ... ok
[INFO] [stdout] test tests::no_double_panics ... ok
[INFO] [stdout] test tests::no_double_panics_if_debug ... ok
[INFO] [stdout] test tests::armed_bomb_bombs ... ok
[INFO] [stdout] test tests::debug_bomb_bombs_if_debug ... 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 drop_bomb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 11) ... 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" "3c952cf932ae7e40060fdab757a1092ae2368ad054ae33cdae8eaee630fc3bac"`
[INFO] running `"docker" "rm" "-f" "3c952cf932ae7e40060fdab757a1092ae2368ad054ae33cdae8eaee630fc3bac"`
[INFO] [stdout] 3c952cf932ae7e40060fdab757a1092ae2368ad054ae33cdae8eaee630fc3bac