[INFO] cloning repository https://github.com/sjinno/crackin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjinno/crackin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fcrackin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fcrackin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b71c2497c5b33976609b2899fd519d2c246978cd
[INFO] testing sjinno/crackin against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fcrackin" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjinno/crackin on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjinno/crackin
[INFO] finished tweaking git repo https://github.com/sjinno/crackin
[INFO] tweaked toml for git repo https://github.com/sjinno/crackin written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sjinno/crackin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cd2c2a7ca1015cda4136e95a31a44ff8f7fd7b3985eafb47624ccfbbe779f71
[INFO] running `Command { std: "docker" "start" "-a" "2cd2c2a7ca1015cda4136e95a31a44ff8f7fd7b3985eafb47624ccfbbe779f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd2c2a7ca1015cda4136e95a31a44ff8f7fd7b3985eafb47624ccfbbe779f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd2c2a7ca1015cda4136e95a31a44ff8f7fd7b3985eafb47624ccfbbe779f71", kill_on_drop: false }`
[INFO] [stdout] 2cd2c2a7ca1015cda4136e95a31a44ff8f7fd7b3985eafb47624ccfbbe779f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b701bf767fc9314f3e3042e5cd51b5ef200db2d1fa5f4b1346d53803ae187816
[INFO] running `Command { std: "docker" "start" "-a" "b701bf767fc9314f3e3042e5cd51b5ef200db2d1fa5f4b1346d53803ae187816", kill_on_drop: false }`
[INFO] [stderr]    Compiling crackin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_substring`
[INFO] [stdout]    --> src/ch_01.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn is_substring(s1: &str, s2: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b701bf767fc9314f3e3042e5cd51b5ef200db2d1fa5f4b1346d53803ae187816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b701bf767fc9314f3e3042e5cd51b5ef200db2d1fa5f4b1346d53803ae187816", kill_on_drop: false }`
[INFO] [stdout] b701bf767fc9314f3e3042e5cd51b5ef200db2d1fa5f4b1346d53803ae187816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a379d32d65d8b9e2da28649fef1a6464dac8dc5d45b705ad23e349ee56da8a2c
[INFO] running `Command { std: "docker" "start" "-a" "a379d32d65d8b9e2da28649fef1a6464dac8dc5d45b705ad23e349ee56da8a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crackin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_substring`
[INFO] [stdout]    --> src/ch_01.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn is_substring(s1: &str, s2: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a379d32d65d8b9e2da28649fef1a6464dac8dc5d45b705ad23e349ee56da8a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a379d32d65d8b9e2da28649fef1a6464dac8dc5d45b705ad23e349ee56da8a2c", kill_on_drop: false }`
[INFO] [stdout] a379d32d65d8b9e2da28649fef1a6464dac8dc5d45b705ad23e349ee56da8a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c48a8b448bdb1dd397a53d64e1b7dfc44bb78f3fa46237acdd0af07428bf684
[INFO] running `Command { std: "docker" "start" "-a" "7c48a8b448bdb1dd397a53d64e1b7dfc44bb78f3fa46237acdd0af07428bf684", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `is_substring`
[INFO] [stderr]    --> src/ch_01.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn is_substring(s1: &str, s2: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crackin` (bin "crackin" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crackin-4191fd8657466911)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c48a8b448bdb1dd397a53d64e1b7dfc44bb78f3fa46237acdd0af07428bf684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c48a8b448bdb1dd397a53d64e1b7dfc44bb78f3fa46237acdd0af07428bf684", kill_on_drop: false }`
[INFO] [stdout] 7c48a8b448bdb1dd397a53d64e1b7dfc44bb78f3fa46237acdd0af07428bf684