[INFO] updating cached repository BradHoffman96/word_count
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BradHoffman96/word_count
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BradHoffman96/word_count" "work/ex/beta-1.37-6/sources/1.36.0/gh/BradHoffman96/word_count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BradHoffman96/word_count'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BradHoffman96/word_count" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BradHoffman96/word_count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BradHoffman96/word_count'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbbf95cd33e479631149976d230075652f266441
[INFO] sha for GitHub repo BradHoffman96/word_count: dbbf95cd33e479631149976d230075652f266441
[INFO] validating manifest of BradHoffman96/word_count 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 BradHoffman96/word_count 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 BradHoffman96/word_count
[INFO] finished frobbing BradHoffman96/word_count
[INFO] frobbed toml for BradHoffman96/word_count written to work/ex/beta-1.37-6/sources/1.36.0/gh/BradHoffman96/word_count/Cargo.toml
[INFO] started frobbing BradHoffman96/word_count
[INFO] finished frobbing BradHoffman96/word_count
[INFO] frobbed toml for BradHoffman96/word_count written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BradHoffman96/word_count/Cargo.toml
[INFO] crate BradHoffman96/word_count 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 BradHoffman96/word_count 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/BradHoffman96/word_count:/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] db9a68305476a9832c41a88bf360b10a55669df3f3897a73558268b1ea33d926
[INFO] running `"docker" "start" "-a" "db9a68305476a9832c41a88bf360b10a55669df3f3897a73558268b1ea33d926"`
[INFO] [stderr]    Compiling word_count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "db9a68305476a9832c41a88bf360b10a55669df3f3897a73558268b1ea33d926"`
[INFO] running `"docker" "rm" "-f" "db9a68305476a9832c41a88bf360b10a55669df3f3897a73558268b1ea33d926"`
[INFO] [stdout] db9a68305476a9832c41a88bf360b10a55669df3f3897a73558268b1ea33d926
[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/BradHoffman96/word_count:/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] 13ae10041b1818c68092c1fb487608d75f19dc6f515d18bba1c7eb218024d0bc
[INFO] running `"docker" "start" "-a" "13ae10041b1818c68092c1fb487608d75f19dc6f515d18bba1c7eb218024d0bc"`
[INFO] [stderr]    Compiling word_count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "13ae10041b1818c68092c1fb487608d75f19dc6f515d18bba1c7eb218024d0bc"`
[INFO] running `"docker" "rm" "-f" "13ae10041b1818c68092c1fb487608d75f19dc6f515d18bba1c7eb218024d0bc"`
[INFO] [stdout] 13ae10041b1818c68092c1fb487608d75f19dc6f515d18bba1c7eb218024d0bc
[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/BradHoffman96/word_count:/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] fa8b00808c66e4cbb37cce42c685001abadae88f58c99fb1a4d9e46e403cef86
[INFO] running `"docker" "start" "-a" "fa8b00808c66e4cbb37cce42c685001abadae88f58c99fb1a4d9e46e403cef86"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/word_count-550cebb09f3f0d94
[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" "fa8b00808c66e4cbb37cce42c685001abadae88f58c99fb1a4d9e46e403cef86"`
[INFO] running `"docker" "rm" "-f" "fa8b00808c66e4cbb37cce42c685001abadae88f58c99fb1a4d9e46e403cef86"`
[INFO] [stdout] fa8b00808c66e4cbb37cce42c685001abadae88f58c99fb1a4d9e46e403cef86