[INFO] updating cached repository jonas-schievink/smith
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonas-schievink/smith
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/smith" "work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/smith" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonas-schievink/smith"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonas-schievink/smith'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 984bf62fff7853bd95f216027a616a4f35de0600
[INFO] sha for GitHub repo jonas-schievink/smith: 984bf62fff7853bd95f216027a616a4f35de0600
[INFO] validating manifest of jonas-schievink/smith on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonas-schievink/smith on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonas-schievink/smith
[INFO] finished frobbing jonas-schievink/smith
[INFO] frobbed toml for jonas-schievink/smith written to work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith/Cargo.toml
[INFO] started frobbing jonas-schievink/smith
[INFO] finished frobbing jonas-schievink/smith
[INFO] frobbed toml for jonas-schievink/smith written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonas-schievink/smith/Cargo.toml
[INFO] crate jonas-schievink/smith already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jonas-schievink/smith against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 28807ae5fc22eb966a0f1d931364c48eac47039c47f265067fe19a0a7f2c9741
[INFO] running `"docker" "start" "-a" "28807ae5fc22eb966a0f1d931364c48eac47039c47f265067fe19a0a7f2c9741"`
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]    Compiling smith v0.1.0 (/opt/crater/workdir)
[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:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     if let Some(mut dir) = env::home_dir() {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `"docker" "inspect" "28807ae5fc22eb966a0f1d931364c48eac47039c47f265067fe19a0a7f2c9741"`
[INFO] running `"docker" "rm" "-f" "28807ae5fc22eb966a0f1d931364c48eac47039c47f265067fe19a0a7f2c9741"`
[INFO] [stdout] 28807ae5fc22eb966a0f1d931364c48eac47039c47f265067fe19a0a7f2c9741
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db04df92ff894c90c288a53b069d5b17c8597d12517c2531ddb8279a77aef521
[INFO] running `"docker" "start" "-a" "db04df92ff894c90c288a53b069d5b17c8597d12517c2531ddb8279a77aef521"`
[INFO] [stderr]    Compiling smith v0.1.0 (/opt/crater/workdir)
[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:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     if let Some(mut dir) = env::home_dir() {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "db04df92ff894c90c288a53b069d5b17c8597d12517c2531ddb8279a77aef521"`
[INFO] running `"docker" "rm" "-f" "db04df92ff894c90c288a53b069d5b17c8597d12517c2531ddb8279a77aef521"`
[INFO] [stdout] db04df92ff894c90c288a53b069d5b17c8597d12517c2531ddb8279a77aef521
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonas-schievink/smith:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9110e6e4279264723e0b07fe44269d26840a81fa7ba876ae75d952b7f87d3c8d
[INFO] running `"docker" "start" "-a" "9110e6e4279264723e0b07fe44269d26840a81fa7ba876ae75d952b7f87d3c8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smith-398d365b3d0532b6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smith-244d8c503f4ca361
[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] [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 smith
[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" "9110e6e4279264723e0b07fe44269d26840a81fa7ba876ae75d952b7f87d3c8d"`
[INFO] running `"docker" "rm" "-f" "9110e6e4279264723e0b07fe44269d26840a81fa7ba876ae75d952b7f87d3c8d"`
[INFO] [stdout] 9110e6e4279264723e0b07fe44269d26840a81fa7ba876ae75d952b7f87d3c8d