[INFO] updating cached repository alexandr-krylov/pig-latin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexandr-krylov/pig-latin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandr-krylov/pig-latin" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/pig-latin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/pig-latin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandr-krylov/pig-latin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8fc7424d282c4cf85a7afb4b1c3bba9549d33215
[INFO] sha for GitHub repo alexandr-krylov/pig-latin: 8fc7424d282c4cf85a7afb4b1c3bba9549d33215
[INFO] validating manifest of alexandr-krylov/pig-latin 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 alexandr-krylov/pig-latin 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 alexandr-krylov/pig-latin
[INFO] finished frobbing alexandr-krylov/pig-latin
[INFO] frobbed toml for alexandr-krylov/pig-latin written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/pig-latin/Cargo.toml
[INFO] started frobbing alexandr-krylov/pig-latin
[INFO] finished frobbing alexandr-krylov/pig-latin
[INFO] frobbed toml for alexandr-krylov/pig-latin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin/Cargo.toml
[INFO] crate alexandr-krylov/pig-latin 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 alexandr-krylov/pig-latin against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] db41ede6eb9551dd9a648fca25520f82e2ab172c3602bfa14e6b99b1d0b98ea2
[INFO] running `"docker" "start" "-a" "db41ede6eb9551dd9a648fca25520f82e2ab172c3602bfa14e6b99b1d0b98ea2"`
[INFO] [stderr]    Compiling pig-latin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dividers`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let dividers = (
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_dividers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `begin`
[INFO] [stderr]   --> src/main.rs:14:35
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn string_to_word(sentence: &str, begin: u32) -> (&str, u32, u32){
[INFO] [stderr]    |                                   ^^^^^ help: consider prefixing with an underscore: `_begin`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut s = String::from("Hello, world!");
[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] warning: function is never used: `word_tp_pig_latin`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn word_tp_pig_latin(word: &str) -> &str{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "db41ede6eb9551dd9a648fca25520f82e2ab172c3602bfa14e6b99b1d0b98ea2"`
[INFO] running `"docker" "rm" "-f" "db41ede6eb9551dd9a648fca25520f82e2ab172c3602bfa14e6b99b1d0b98ea2"`
[INFO] [stdout] db41ede6eb9551dd9a648fca25520f82e2ab172c3602bfa14e6b99b1d0b98ea2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 398d61176ec53eae729dbcdb4914e1ab246745d7abbd81215e45b8f1e6bf606d
[INFO] running `"docker" "start" "-a" "398d61176ec53eae729dbcdb4914e1ab246745d7abbd81215e45b8f1e6bf606d"`
[INFO] [stderr]    Compiling pig-latin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dividers`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let dividers = (
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_dividers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `begin`
[INFO] [stderr]   --> src/main.rs:14:35
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn string_to_word(sentence: &str, begin: u32) -> (&str, u32, u32){
[INFO] [stderr]    |                                   ^^^^^ help: consider prefixing with an underscore: `_begin`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut s = String::from("Hello, world!");
[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] warning: function is never used: `word_tp_pig_latin`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn word_tp_pig_latin(word: &str) -> &str{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "398d61176ec53eae729dbcdb4914e1ab246745d7abbd81215e45b8f1e6bf606d"`
[INFO] running `"docker" "rm" "-f" "398d61176ec53eae729dbcdb4914e1ab246745d7abbd81215e45b8f1e6bf606d"`
[INFO] [stdout] 398d61176ec53eae729dbcdb4914e1ab246745d7abbd81215e45b8f1e6bf606d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/pig-latin:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a2715fb822bd12d62a33b910093a59d2c646c02da5dee0dca01b0e005ff03771
[INFO] running `"docker" "start" "-a" "a2715fb822bd12d62a33b910093a59d2c646c02da5dee0dca01b0e005ff03771"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pig_latin-a19fe59e922fa35b
[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" "a2715fb822bd12d62a33b910093a59d2c646c02da5dee0dca01b0e005ff03771"`
[INFO] running `"docker" "rm" "-f" "a2715fb822bd12d62a33b910093a59d2c646c02da5dee0dca01b0e005ff03771"`
[INFO] [stdout] a2715fb822bd12d62a33b910093a59d2c646c02da5dee0dca01b0e005ff03771