[INFO] updating cached repository guilherme/rust-mach-o-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/guilherme/rust-mach-o-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/guilherme/rust-mach-o-parser" "work/ex/beta-1.37-6/sources/1.36.0/gh/guilherme/rust-mach-o-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/guilherme/rust-mach-o-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/guilherme/rust-mach-o-parser" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dad0dfc8adc96d7029f1f52656c552513481dc22
[INFO] sha for GitHub repo guilherme/rust-mach-o-parser: dad0dfc8adc96d7029f1f52656c552513481dc22
[INFO] validating manifest of guilherme/rust-mach-o-parser 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 guilherme/rust-mach-o-parser 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 guilherme/rust-mach-o-parser
[INFO] finished frobbing guilherme/rust-mach-o-parser
[INFO] frobbed toml for guilherme/rust-mach-o-parser written to work/ex/beta-1.37-6/sources/1.36.0/gh/guilherme/rust-mach-o-parser/Cargo.toml
[INFO] started frobbing guilherme/rust-mach-o-parser
[INFO] finished frobbing guilherme/rust-mach-o-parser
[INFO] frobbed toml for guilherme/rust-mach-o-parser written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser/Cargo.toml
[INFO] crate guilherme/rust-mach-o-parser 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 guilherme/rust-mach-o-parser against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3d46334511cb783d69f9724de0797f303c7e8bd5d02c1464ff9af421634ecf94
[INFO] running `"docker" "start" "-a" "3d46334511cb783d69f9724de0797f303c7e8bd5d02c1464ff9af421634ecf94"`
[INFO] [stderr]    Compiling mach-o-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_64`
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                   ^^^^^ help: consider prefixing with an underscore: `_is_64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `should_swap`
[INFO] [stderr]   --> src/main.rs:39:48
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: consider prefixing with an underscore: `_should_swap`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MH_MAGIC`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const MH_MAGIC: u32 = 0xfeedface;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "3d46334511cb783d69f9724de0797f303c7e8bd5d02c1464ff9af421634ecf94"`
[INFO] running `"docker" "rm" "-f" "3d46334511cb783d69f9724de0797f303c7e8bd5d02c1464ff9af421634ecf94"`
[INFO] [stdout] 3d46334511cb783d69f9724de0797f303c7e8bd5d02c1464ff9af421634ecf94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc39d3443d1367b4fba1258cd91add593d9a8f55d591c9112596c11ef7adbff8
[INFO] running `"docker" "start" "-a" "fc39d3443d1367b4fba1258cd91add593d9a8f55d591c9112596c11ef7adbff8"`
[INFO] [stderr]    Compiling mach-o-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_64`
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                   ^^^^^ help: consider prefixing with an underscore: `_is_64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `should_swap`
[INFO] [stderr]   --> src/main.rs:39:48
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: consider prefixing with an underscore: `_should_swap`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MH_MAGIC`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const MH_MAGIC: u32 = 0xfeedface;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "fc39d3443d1367b4fba1258cd91add593d9a8f55d591c9112596c11ef7adbff8"`
[INFO] running `"docker" "rm" "-f" "fc39d3443d1367b4fba1258cd91add593d9a8f55d591c9112596c11ef7adbff8"`
[INFO] [stdout] fc39d3443d1367b4fba1258cd91add593d9a8f55d591c9112596c11ef7adbff8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/guilherme/rust-mach-o-parser:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 193c1f92054237095d5200b4f12cf7fcf8b355e872805725e36b6cc2e0f322aa
[INFO] running `"docker" "start" "-a" "193c1f92054237095d5200b4f12cf7fcf8b355e872805725e36b6cc2e0f322aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mach_o_parser-aa0180aef3c00652
[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" "193c1f92054237095d5200b4f12cf7fcf8b355e872805725e36b6cc2e0f322aa"`
[INFO] running `"docker" "rm" "-f" "193c1f92054237095d5200b4f12cf7fcf8b355e872805725e36b6cc2e0f322aa"`
[INFO] [stdout] 193c1f92054237095d5200b4f12cf7fcf8b355e872805725e36b6cc2e0f322aa