[INFO] updating cached repository TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheFunctionalGuy/cracking-the-coding-interview-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheFunctionalGuy/cracking-the-coding-interview-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheFunctionalGuy/cracking-the-coding-interview-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheFunctionalGuy/cracking-the-coding-interview-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3fdebe618bd547ac0086826ff9aaa75a31334ab
[INFO] sha for GitHub repo TheFunctionalGuy/cracking-the-coding-interview-rust: e3fdebe618bd547ac0086826ff9aaa75a31334ab
[INFO] validating manifest of TheFunctionalGuy/cracking-the-coding-interview-rust 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 TheFunctionalGuy/cracking-the-coding-interview-rust 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 TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] finished frobbing TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] frobbed toml for TheFunctionalGuy/cracking-the-coding-interview-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust/Cargo.toml
[INFO] started frobbing TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] finished frobbing TheFunctionalGuy/cracking-the-coding-interview-rust
[INFO] frobbed toml for TheFunctionalGuy/cracking-the-coding-interview-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheFunctionalGuy/cracking-the-coding-interview-rust/Cargo.toml
[INFO] crate TheFunctionalGuy/cracking-the-coding-interview-rust 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 TheFunctionalGuy/cracking-the-coding-interview-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] dfff4bc28cf890bf5805e5c052511d1dce3ca761d9a47d56fe88485f3e152215
[INFO] running `"docker" "start" "-a" "dfff4bc28cf890bf5805e5c052511d1dce3ca761d9a47d56fe88485f3e152215"`
[INFO] [stderr]    Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "dfff4bc28cf890bf5805e5c052511d1dce3ca761d9a47d56fe88485f3e152215"`
[INFO] running `"docker" "rm" "-f" "dfff4bc28cf890bf5805e5c052511d1dce3ca761d9a47d56fe88485f3e152215"`
[INFO] [stdout] dfff4bc28cf890bf5805e5c052511d1dce3ca761d9a47d56fe88485f3e152215
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a01c58d081ed7d625407606b2e7112311c0929aecc768fa3985f58715614781
[INFO] running `"docker" "start" "-a" "1a01c58d081ed7d625407606b2e7112311c0929aecc768fa3985f58715614781"`
[INFO] [stderr]    Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "1a01c58d081ed7d625407606b2e7112311c0929aecc768fa3985f58715614781"`
[INFO] running `"docker" "rm" "-f" "1a01c58d081ed7d625407606b2e7112311c0929aecc768fa3985f58715614781"`
[INFO] [stdout] 1a01c58d081ed7d625407606b2e7112311c0929aecc768fa3985f58715614781
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheFunctionalGuy/cracking-the-coding-interview-rust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ea9311764089b5b4d15d2d798168ada2fe437069906ec5c17ff2d92bb5837241
[INFO] running `"docker" "start" "-a" "ea9311764089b5b4d15d2d798168ada2fe437069906ec5c17ff2d92bb5837241"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cracking_the_coding_interview_rust-685d98b49fe78cc4
[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" "ea9311764089b5b4d15d2d798168ada2fe437069906ec5c17ff2d92bb5837241"`
[INFO] running `"docker" "rm" "-f" "ea9311764089b5b4d15d2d798168ada2fe437069906ec5c17ff2d92bb5837241"`
[INFO] [stdout] ea9311764089b5b4d15d2d798168ada2fe437069906ec5c17ff2d92bb5837241