[INFO] crate debugln 0.0.1 is already in cache
[INFO] extracting crate debugln 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/debugln/0.0.1
[INFO] extracting crate debugln 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/debugln/0.0.1
[INFO] validating manifest of debugln-0.0.1 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 debugln-0.0.1 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 debugln-0.0.1
[INFO] finished frobbing debugln-0.0.1
[INFO] frobbed toml for debugln-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/debugln/0.0.1/Cargo.toml
[INFO] started frobbing debugln-0.0.1
[INFO] finished frobbing debugln-0.0.1
[INFO] frobbed toml for debugln-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/debugln/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 debugln-0.0.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/debugln/0.0.1:/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] fc27a9713470f1a060c3d3d834aae5d97dfbba76c126d02fea43b9fed6f26724
[INFO] running `"docker" "start" "-a" "fc27a9713470f1a060c3d3d834aae5d97dfbba76c126d02fea43b9fed6f26724"`
[INFO] [stderr]    Compiling debugln v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "fc27a9713470f1a060c3d3d834aae5d97dfbba76c126d02fea43b9fed6f26724"`
[INFO] running `"docker" "rm" "-f" "fc27a9713470f1a060c3d3d834aae5d97dfbba76c126d02fea43b9fed6f26724"`
[INFO] [stdout] fc27a9713470f1a060c3d3d834aae5d97dfbba76c126d02fea43b9fed6f26724
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/debugln/0.0.1:/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] 79090116344db9fe23dff1b0aa5a310322ff222719bfc14b625c10893f8fd03b
[INFO] running `"docker" "start" "-a" "79090116344db9fe23dff1b0aa5a310322ff222719bfc14b625c10893f8fd03b"`
[INFO] [stderr]    Compiling debugln v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `debugln`
[INFO] [stderr]  --> examples/simple.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate debugln;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `debugln`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "79090116344db9fe23dff1b0aa5a310322ff222719bfc14b625c10893f8fd03b"`
[INFO] running `"docker" "rm" "-f" "79090116344db9fe23dff1b0aa5a310322ff222719bfc14b625c10893f8fd03b"`
[INFO] [stdout] 79090116344db9fe23dff1b0aa5a310322ff222719bfc14b625c10893f8fd03b