[INFO] updating cached repository th0razine/symfind-macho
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/th0razine/symfind-macho
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/th0razine/symfind-macho" "work/ex/beta-1.37-6/sources/1.36.0/gh/th0razine/symfind-macho"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/th0razine/symfind-macho'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/th0razine/symfind-macho" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/th0razine/symfind-macho"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/th0razine/symfind-macho'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8ed6e1ab02abfb72278786d39e22eb32d4ae2bd
[INFO] sha for GitHub repo th0razine/symfind-macho: d8ed6e1ab02abfb72278786d39e22eb32d4ae2bd
[INFO] validating manifest of th0razine/symfind-macho 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 th0razine/symfind-macho 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 th0razine/symfind-macho
[INFO] finished frobbing th0razine/symfind-macho
[INFO] frobbed toml for th0razine/symfind-macho written to work/ex/beta-1.37-6/sources/1.36.0/gh/th0razine/symfind-macho/Cargo.toml
[INFO] started frobbing th0razine/symfind-macho
[INFO] finished frobbing th0razine/symfind-macho
[INFO] frobbed toml for th0razine/symfind-macho written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/th0razine/symfind-macho/Cargo.toml
[INFO] crate th0razine/symfind-macho 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 th0razine/symfind-macho 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/th0razine/symfind-macho:/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] bb3a6c8bd447e71fcc44753d916c6fff870bc0728f9bd112389e72c0a38af57e
[INFO] running `"docker" "start" "-a" "bb3a6c8bd447e71fcc44753d916c6fff870bc0728f9bd112389e72c0a38af57e"`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]    Compiling mach_object v0.1.13
[INFO] [stderr]    Compiling symfind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `SymbolIter`, `Symbol`
[INFO] [stderr]  --> src/main.rs:3:69
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stderr]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symcur`
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_symcur`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `"docker" "inspect" "bb3a6c8bd447e71fcc44753d916c6fff870bc0728f9bd112389e72c0a38af57e"`
[INFO] running `"docker" "rm" "-f" "bb3a6c8bd447e71fcc44753d916c6fff870bc0728f9bd112389e72c0a38af57e"`
[INFO] [stdout] bb3a6c8bd447e71fcc44753d916c6fff870bc0728f9bd112389e72c0a38af57e
[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/th0razine/symfind-macho:/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] 7d8c0c1a2cadace55bc40d6df27a2164058d6fd5360c84d20cd6f74da1505304
[INFO] running `"docker" "start" "-a" "7d8c0c1a2cadace55bc40d6df27a2164058d6fd5360c84d20cd6f74da1505304"`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]    Compiling symfind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `SymbolIter`, `Symbol`
[INFO] [stderr]  --> src/main.rs:3:69
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stderr]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symcur`
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_symcur`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "7d8c0c1a2cadace55bc40d6df27a2164058d6fd5360c84d20cd6f74da1505304"`
[INFO] running `"docker" "rm" "-f" "7d8c0c1a2cadace55bc40d6df27a2164058d6fd5360c84d20cd6f74da1505304"`
[INFO] [stdout] 7d8c0c1a2cadace55bc40d6df27a2164058d6fd5360c84d20cd6f74da1505304
[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/th0razine/symfind-macho:/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] 985970b58c9f129a998deeb661772e8e02a8a97f05ade8c78a4151d6f0e904f7
[INFO] running `"docker" "start" "-a" "985970b58c9f129a998deeb661772e8e02a8a97f05ade8c78a4151d6f0e904f7"`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symfind-229b2c7504f70f3c
[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" "985970b58c9f129a998deeb661772e8e02a8a97f05ade8c78a4151d6f0e904f7"`
[INFO] running `"docker" "rm" "-f" "985970b58c9f129a998deeb661772e8e02a8a97f05ade8c78a4151d6f0e904f7"`
[INFO] [stdout] 985970b58c9f129a998deeb661772e8e02a8a97f05ade8c78a4151d6f0e904f7