[INFO] crate fab 0.1.1 is already in cache
[INFO] extracting crate fab 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/fab/0.1.1
[INFO] extracting crate fab 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fab/0.1.1
[INFO] validating manifest of fab-0.1.1 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 fab-0.1.1 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 fab-0.1.1
[INFO] finished frobbing fab-0.1.1
[INFO] frobbed toml for fab-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fab/0.1.1/Cargo.toml
[INFO] started frobbing fab-0.1.1
[INFO] finished frobbing fab-0.1.1
[INFO] frobbed toml for fab-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fab/0.1.1/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] 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fab-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fab/0.1.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 787074647b7c9281a8026064236246476e7991e9590f591662ecb705814be2dc
[INFO] running `"docker" "start" "-a" "787074647b7c9281a8026064236246476e7991e9590f591662ecb705814be2dc"`
[INFO] [stderr]    Compiling fab v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:37:138
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut file = File::open(file).unwrap_or_else(|err| panic!("Could not open {:?}: {} (caused by {:?})", file, err.description(), err.cause()));
[INFO] [stderr]    |                                                                                                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "787074647b7c9281a8026064236246476e7991e9590f591662ecb705814be2dc"`
[INFO] running `"docker" "rm" "-f" "787074647b7c9281a8026064236246476e7991e9590f591662ecb705814be2dc"`
[INFO] [stdout] 787074647b7c9281a8026064236246476e7991e9590f591662ecb705814be2dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fab/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47c77b916e4b5c787cb4b31e9a3cf85d264e976ebbce7e3443bbb53c9894f50a
[INFO] running `"docker" "start" "-a" "47c77b916e4b5c787cb4b31e9a3cf85d264e976ebbce7e3443bbb53c9894f50a"`
[INFO] [stderr]    Compiling fab v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:37:138
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut file = File::open(file).unwrap_or_else(|err| panic!("Could not open {:?}: {} (caused by {:?})", file, err.description(), err.cause()));
[INFO] [stderr]    |                                                                                                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "47c77b916e4b5c787cb4b31e9a3cf85d264e976ebbce7e3443bbb53c9894f50a"`
[INFO] running `"docker" "rm" "-f" "47c77b916e4b5c787cb4b31e9a3cf85d264e976ebbce7e3443bbb53c9894f50a"`
[INFO] [stdout] 47c77b916e4b5c787cb4b31e9a3cf85d264e976ebbce7e3443bbb53c9894f50a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fab/0.1.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f6244ad770102a7f94d56a57200f4358d1ebfb9aca71981ca0e986a3fe590bc9
[INFO] running `"docker" "start" "-a" "f6244ad770102a7f94d56a57200f4358d1ebfb9aca71981ca0e986a3fe590bc9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fab-86e00c2f117a0eea
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test makefile::tests::makefile_commands_with_blank_lines_test ... ok
[INFO] [stdout] test makefile::tests::makefile_blank_line_test ... ok
[INFO] [stdout] test makefile::tests::makefile_empty_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_commands_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_multiple_rules_test ... ok
[INFO] [stdout] test makefile::tests::makefile_one_rule_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f6244ad770102a7f94d56a57200f4358d1ebfb9aca71981ca0e986a3fe590bc9"`
[INFO] running `"docker" "rm" "-f" "f6244ad770102a7f94d56a57200f4358d1ebfb9aca71981ca0e986a3fe590bc9"`
[INFO] [stdout] f6244ad770102a7f94d56a57200f4358d1ebfb9aca71981ca0e986a3fe590bc9