[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 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a1cad3cbd48c912a79eff4cfcd7b8daadaa38ee9aeca7eb402fd26ff3e2c84ce
[INFO] running `"docker" "start" "-a" "a1cad3cbd48c912a79eff4cfcd7b8daadaa38ee9aeca7eb402fd26ff3e2c84ce"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[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 16.66s
[INFO] running `"docker" "inspect" "a1cad3cbd48c912a79eff4cfcd7b8daadaa38ee9aeca7eb402fd26ff3e2c84ce"`
[INFO] running `"docker" "rm" "-f" "a1cad3cbd48c912a79eff4cfcd7b8daadaa38ee9aeca7eb402fd26ff3e2c84ce"`
[INFO] [stdout] a1cad3cbd48c912a79eff4cfcd7b8daadaa38ee9aeca7eb402fd26ff3e2c84ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d19826ff67c8b84f257e9c47c1cc2ca51e4e623787e0b84e70ae960f6d006d84
[INFO] running `"docker" "start" "-a" "d19826ff67c8b84f257e9c47c1cc2ca51e4e623787e0b84e70ae960f6d006d84"`
[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 0.85s
[INFO] running `"docker" "inspect" "d19826ff67c8b84f257e9c47c1cc2ca51e4e623787e0b84e70ae960f6d006d84"`
[INFO] running `"docker" "rm" "-f" "d19826ff67c8b84f257e9c47c1cc2ca51e4e623787e0b84e70ae960f6d006d84"`
[INFO] [stdout] d19826ff67c8b84f257e9c47c1cc2ca51e4e623787e0b84e70ae960f6d006d84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7fabbe41c3b613ff2e9a62e7ea69da159f09da30cc0e717f7e9d7ed28d92c41e
[INFO] running `"docker" "start" "-a" "7fabbe41c3b613ff2e9a62e7ea69da159f09da30cc0e717f7e9d7ed28d92c41e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fab-c07b950280cda250
[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_one_rule_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] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7fabbe41c3b613ff2e9a62e7ea69da159f09da30cc0e717f7e9d7ed28d92c41e"`
[INFO] running `"docker" "rm" "-f" "7fabbe41c3b613ff2e9a62e7ea69da159f09da30cc0e717f7e9d7ed28d92c41e"`
[INFO] [stdout] 7fabbe41c3b613ff2e9a62e7ea69da159f09da30cc0e717f7e9d7ed28d92c41e