[INFO] cloning repository https://github.com/hsmtkk/potential-lamp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/potential-lamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fpotential-lamp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fpotential-lamp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeeb0b55c2c435e7d2cd9a55d39286ce22b6d34f
[INFO] testing hsmtkk/potential-lamp against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fpotential-lamp" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsmtkk/potential-lamp on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsmtkk/potential-lamp
[INFO] finished tweaking git repo https://github.com/hsmtkk/potential-lamp
[INFO] tweaked toml for git repo https://github.com/hsmtkk/potential-lamp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/potential-lamp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7956ce8c24a4181eb751bebecb8986c5a6bce6bc213839ac4b0542e9072bb2
[INFO] running `Command { std: "docker" "start" "-a" "0e7956ce8c24a4181eb751bebecb8986c5a6bce6bc213839ac4b0542e9072bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7956ce8c24a4181eb751bebecb8986c5a6bce6bc213839ac4b0542e9072bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7956ce8c24a4181eb751bebecb8986c5a6bce6bc213839ac4b0542e9072bb2", kill_on_drop: false }`
[INFO] [stdout] 0e7956ce8c24a4181eb751bebecb8986c5a6bce6bc213839ac4b0542e9072bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4e3fac4a53b96f478c8c4238dd85ed6fb2811f57edecd0b1c7c2d560b67e07
[INFO] running `Command { std: "docker" "start" "-a" "9e4e3fac4a53b96f478c8c4238dd85ed6fb2811f57edecd0b1c7c2d560b67e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling potential-lamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grep.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(number:u32, line:String) -> GrepResult {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grep`
[INFO] [stdout]   --> src/grep.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn grep(word: &str, lines:Vec<String>) -> Vec<GrepResult>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "9e4e3fac4a53b96f478c8c4238dd85ed6fb2811f57edecd0b1c7c2d560b67e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4e3fac4a53b96f478c8c4238dd85ed6fb2811f57edecd0b1c7c2d560b67e07", kill_on_drop: false }`
[INFO] [stdout] 9e4e3fac4a53b96f478c8c4238dd85ed6fb2811f57edecd0b1c7c2d560b67e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe2ed3cb3d5422788fe63d94ca19d2b55382a6cfd0389ef1b491654a8433fe5
[INFO] running `Command { std: "docker" "start" "-a" "8fe2ed3cb3d5422788fe63d94ca19d2b55382a6cfd0389ef1b491654a8433fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling potential-lamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grep.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(number:u32, line:String) -> GrepResult {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grep`
[INFO] [stdout]   --> src/grep.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn grep(word: &str, lines:Vec<String>) -> Vec<GrepResult>{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "8fe2ed3cb3d5422788fe63d94ca19d2b55382a6cfd0389ef1b491654a8433fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe2ed3cb3d5422788fe63d94ca19d2b55382a6cfd0389ef1b491654a8433fe5", kill_on_drop: false }`
[INFO] [stdout] 8fe2ed3cb3d5422788fe63d94ca19d2b55382a6cfd0389ef1b491654a8433fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7963893bf4c170d385462b6593f2282aac55576e01669120020591c9751e1333
[INFO] running `Command { std: "docker" "start" "-a" "7963893bf4c170d385462b6593f2282aac55576e01669120020591c9751e1333", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/grep.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn new(number:u32, line:String) -> GrepResult {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grep`
[INFO] [stderr]   --> src/grep.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn grep(word: &str, lines:Vec<String>) -> Vec<GrepResult>{
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `potential-lamp` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/potential_lamp-787989c8d7a3a348)
[INFO] [stderr]    Doc-tests potential-lamp
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test grep::tests::test_grep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "7963893bf4c170d385462b6593f2282aac55576e01669120020591c9751e1333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7963893bf4c170d385462b6593f2282aac55576e01669120020591c9751e1333", kill_on_drop: false }`
[INFO] [stdout] 7963893bf4c170d385462b6593f2282aac55576e01669120020591c9751e1333