[INFO] updating cached repository glebpom/rustc-panic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glebpom/rustc-panic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glebpom/rustc-panic" "work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glebpom/rustc-panic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glebpom/rustc-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glebpom/rustc-panic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b99585029d2894bad8776fc61a69316e6e56757f
[INFO] sha for GitHub repo glebpom/rustc-panic: b99585029d2894bad8776fc61a69316e6e56757f
[INFO] validating manifest of glebpom/rustc-panic 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 glebpom/rustc-panic 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 glebpom/rustc-panic
[INFO] finished frobbing glebpom/rustc-panic
[INFO] frobbed toml for glebpom/rustc-panic written to work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic/Cargo.toml
[INFO] started frobbing glebpom/rustc-panic
[INFO] finished frobbing glebpom/rustc-panic
[INFO] frobbed toml for glebpom/rustc-panic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glebpom/rustc-panic/Cargo.toml
[INFO] crate glebpom/rustc-panic 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing glebpom/rustc-panic 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic:/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] 6f1a8e5b297f77624b5c22cf782a28f00dc2757f7a0023aeeadb91d4c4c1fd3e
[INFO] running `"docker" "start" "-a" "6f1a8e5b297f77624b5c22cf782a28f00dc2757f7a0023aeeadb91d4c4c1fd3e"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.3.3
[INFO] [stderr]    Compiling data-encoding v1.2.0
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.3.3
[INFO] [stderr]    Compiling binary_macros_impl v0.6.0
[INFO] [stderr]    Compiling binary_macros v0.6.3
[INFO] [stderr]    Compiling rustc_panic v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `"docker" "inspect" "6f1a8e5b297f77624b5c22cf782a28f00dc2757f7a0023aeeadb91d4c4c1fd3e"`
[INFO] running `"docker" "rm" "-f" "6f1a8e5b297f77624b5c22cf782a28f00dc2757f7a0023aeeadb91d4c4c1fd3e"`
[INFO] [stdout] 6f1a8e5b297f77624b5c22cf782a28f00dc2757f7a0023aeeadb91d4c4c1fd3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic:/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] 593ecdafeffb3b57f54e91345ce7c319b8d34ed2655db931a03aaf6f29caf3a5
[INFO] running `"docker" "start" "-a" "593ecdafeffb3b57f54e91345ce7c319b8d34ed2655db931a03aaf6f29caf3a5"`
[INFO] [stderr]    Compiling rustc_panic v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "593ecdafeffb3b57f54e91345ce7c319b8d34ed2655db931a03aaf6f29caf3a5"`
[INFO] running `"docker" "rm" "-f" "593ecdafeffb3b57f54e91345ce7c319b8d34ed2655db931a03aaf6f29caf3a5"`
[INFO] [stdout] 593ecdafeffb3b57f54e91345ce7c319b8d34ed2655db931a03aaf6f29caf3a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glebpom/rustc-panic:/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] 09851fc0ca79a8d03e917fa54a384755cadf416159a3408dddf3ac59d2bda5e7
[INFO] running `"docker" "start" "-a" "09851fc0ca79a8d03e917fa54a384755cadf416159a3408dddf3ac59d2bda5e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_panic-ef323ea7bfcb8bc6
[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 rustc_panic
[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" "09851fc0ca79a8d03e917fa54a384755cadf416159a3408dddf3ac59d2bda5e7"`
[INFO] running `"docker" "rm" "-f" "09851fc0ca79a8d03e917fa54a384755cadf416159a3408dddf3ac59d2bda5e7"`
[INFO] [stdout] 09851fc0ca79a8d03e917fa54a384755cadf416159a3408dddf3ac59d2bda5e7