[INFO] updating cached repository lsaether/iching
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lsaether/iching
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lsaether/iching" "work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lsaether/iching" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lsaether/iching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lsaether/iching'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3523e21acddbffc00c356d676dd619a9384cf7b
[INFO] sha for GitHub repo lsaether/iching: e3523e21acddbffc00c356d676dd619a9384cf7b
[INFO] validating manifest of lsaether/iching 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 lsaether/iching 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 lsaether/iching
[INFO] finished frobbing lsaether/iching
[INFO] frobbed toml for lsaether/iching written to work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching/Cargo.toml
[INFO] started frobbing lsaether/iching
[INFO] finished frobbing lsaether/iching
[INFO] frobbed toml for lsaether/iching written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lsaether/iching/Cargo.toml
[INFO] crate lsaether/iching 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 lsaether/iching 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching:/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] 364e3abed3b1d6e6251e18fffcb8619279dbc78af08dbab5fa2af4a72fdbfc59
[INFO] running `"docker" "start" "-a" "364e3abed3b1d6e6251e18fffcb8619279dbc78af08dbab5fa2af4a72fdbfc59"`
[INFO] [stderr]    Compiling iching v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `found`
[INFO] [stderr]    --> src/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let found = contents.find(&search_string).unwrap();
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_found`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/main.rs:205:53
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut res = env::vars().filter(|(key, value)| {
[INFO] [stderr]     |                                                     ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pager`
[INFO] [stderr]    --> src/main.rs:210:21
[INFO] [stderr]     |
[INFO] [stderr] 210 |             let (_, pager) = res.nth(0).unwrap();
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_pager`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "364e3abed3b1d6e6251e18fffcb8619279dbc78af08dbab5fa2af4a72fdbfc59"`
[INFO] running `"docker" "rm" "-f" "364e3abed3b1d6e6251e18fffcb8619279dbc78af08dbab5fa2af4a72fdbfc59"`
[INFO] [stdout] 364e3abed3b1d6e6251e18fffcb8619279dbc78af08dbab5fa2af4a72fdbfc59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching:/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] 5d5e261eb1e213184f197edb39163132ec9dbdc0a2876345ec0593eded9e21d8
[INFO] running `"docker" "start" "-a" "5d5e261eb1e213184f197edb39163132ec9dbdc0a2876345ec0593eded9e21d8"`
[INFO] [stderr]    Compiling iching v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `found`
[INFO] [stderr]    --> src/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let found = contents.find(&search_string).unwrap();
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_found`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/main.rs:205:53
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut res = env::vars().filter(|(key, value)| {
[INFO] [stderr]     |                                                     ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pager`
[INFO] [stderr]    --> src/main.rs:210:21
[INFO] [stderr]     |
[INFO] [stderr] 210 |             let (_, pager) = res.nth(0).unwrap();
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_pager`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "5d5e261eb1e213184f197edb39163132ec9dbdc0a2876345ec0593eded9e21d8"`
[INFO] running `"docker" "rm" "-f" "5d5e261eb1e213184f197edb39163132ec9dbdc0a2876345ec0593eded9e21d8"`
[INFO] [stdout] 5d5e261eb1e213184f197edb39163132ec9dbdc0a2876345ec0593eded9e21d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lsaether/iching:/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] 35da4f5475c821593b20e66f367bc9cc40f4dc118a8bc79ec28896de7477b967
[INFO] running `"docker" "start" "-a" "35da4f5475c821593b20e66f367bc9cc40f4dc118a8bc79ec28896de7477b967"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iching-4890f470a08b9493
[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" "35da4f5475c821593b20e66f367bc9cc40f4dc118a8bc79ec28896de7477b967"`
[INFO] running `"docker" "rm" "-f" "35da4f5475c821593b20e66f367bc9cc40f4dc118a8bc79ec28896de7477b967"`
[INFO] [stdout] 35da4f5475c821593b20e66f367bc9cc40f4dc118a8bc79ec28896de7477b967