[INFO] updating cached repository emkay/sksh
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emkay/sksh
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emkay/sksh" "work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emkay/sksh" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emkay/sksh"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emkay/sksh'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f39ab9a6341c049289f353948d3b4ce56dbbaa7b
[INFO] sha for GitHub repo emkay/sksh: f39ab9a6341c049289f353948d3b4ce56dbbaa7b
[INFO] validating manifest of emkay/sksh 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 emkay/sksh 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 emkay/sksh
[INFO] finished frobbing emkay/sksh
[INFO] frobbed toml for emkay/sksh written to work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh/Cargo.toml
[INFO] started frobbing emkay/sksh
[INFO] finished frobbing emkay/sksh
[INFO] frobbed toml for emkay/sksh written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emkay/sksh/Cargo.toml
[INFO] crate emkay/sksh 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 emkay/sksh 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh:/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] f2f3cc858d94b0e258f7a62dba90ab9e252f1cda3cc68d6bec99405ad8dfbbaf
[INFO] running `"docker" "start" "-a" "f2f3cc858d94b0e258f7a62dba90ab9e252f1cda3cc68d6bec99405ad8dfbbaf"`
[INFO] [stderr]    Compiling suffix v1.0.0
[INFO] [stderr]    Compiling sksh v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |         0 => std::env::home_dir(),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             return exit(code);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "f2f3cc858d94b0e258f7a62dba90ab9e252f1cda3cc68d6bec99405ad8dfbbaf"`
[INFO] running `"docker" "rm" "-f" "f2f3cc858d94b0e258f7a62dba90ab9e252f1cda3cc68d6bec99405ad8dfbbaf"`
[INFO] [stdout] f2f3cc858d94b0e258f7a62dba90ab9e252f1cda3cc68d6bec99405ad8dfbbaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh:/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] 7295cc6f0b58eec782cf59bb9e45a059602d5c4102d5ce89f7b27f840636f897
[INFO] running `"docker" "start" "-a" "7295cc6f0b58eec782cf59bb9e45a059602d5c4102d5ce89f7b27f840636f897"`
[INFO] [stderr]    Compiling sksh v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |         0 => std::env::home_dir(),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             return exit(code);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "7295cc6f0b58eec782cf59bb9e45a059602d5c4102d5ce89f7b27f840636f897"`
[INFO] running `"docker" "rm" "-f" "7295cc6f0b58eec782cf59bb9e45a059602d5c4102d5ce89f7b27f840636f897"`
[INFO] [stdout] 7295cc6f0b58eec782cf59bb9e45a059602d5c4102d5ce89f7b27f840636f897
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/emkay/sksh:/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] 50305f16c3a5ffb384637f1043c2e0b7e969ab06207cf1323f2ce25e2d7d5feb
[INFO] running `"docker" "start" "-a" "50305f16c3a5ffb384637f1043c2e0b7e969ab06207cf1323f2ce25e2d7d5feb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sksh-08f0bbfbf5f6db40
[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" "50305f16c3a5ffb384637f1043c2e0b7e969ab06207cf1323f2ce25e2d7d5feb"`
[INFO] running `"docker" "rm" "-f" "50305f16c3a5ffb384637f1043c2e0b7e969ab06207cf1323f2ce25e2d7d5feb"`
[INFO] [stdout] 50305f16c3a5ffb384637f1043c2e0b7e969ab06207cf1323f2ce25e2d7d5feb