[INFO] updating cached repository https://github.com/karaketir16/rust-basic-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1b862d9b9759ac7290ddedf4ee6f1d836925600
[INFO] testing karaketir16/rust-basic-grep against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaraketir16%2Frust-basic-grep" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karaketir16/rust-basic-grep on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karaketir16/rust-basic-grep
[INFO] finished tweaking git repo https://github.com/karaketir16/rust-basic-grep
[INFO] tweaked toml for git repo https://github.com/karaketir16/rust-basic-grep written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/karaketir16/rust-basic-grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761a0bce576badada60f47c77335a4fc52dc8513eda0ac44aa1b17c33ee4b195
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "761a0bce576badada60f47c77335a4fc52dc8513eda0ac44aa1b17c33ee4b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761a0bce576badada60f47c77335a4fc52dc8513eda0ac44aa1b17c33ee4b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761a0bce576badada60f47c77335a4fc52dc8513eda0ac44aa1b17c33ee4b195", kill_on_drop: false }`
[INFO] [stdout] 761a0bce576badada60f47c77335a4fc52dc8513eda0ac44aa1b17c33ee4b195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a6072349cd2bf0621cefa512b64a7ae2dafd46fa61bcd0effed0c54e437280
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4a6072349cd2bf0621cefa512b64a7ae2dafd46fa61bcd0effed0c54e437280", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling myGrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `myGrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `my_grep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lineNumber` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |             for (lineNumber, line) in lines.enumerate() {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: convert the identifier to snake case: `line_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "a4a6072349cd2bf0621cefa512b64a7ae2dafd46fa61bcd0effed0c54e437280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a6072349cd2bf0621cefa512b64a7ae2dafd46fa61bcd0effed0c54e437280", kill_on_drop: false }`
[INFO] [stdout] a4a6072349cd2bf0621cefa512b64a7ae2dafd46fa61bcd0effed0c54e437280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca5ef1fce0ab2b4964bfe0f2131712e02a6cc2a7a4671bcb35d8c5ea672602c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ca5ef1fce0ab2b4964bfe0f2131712e02a6cc2a7a4671bcb35d8c5ea672602c", kill_on_drop: false }`
[INFO] [stderr]    Compiling myGrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `myGrep` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `my_grep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lineNumber` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |             for (lineNumber, line) in lines.enumerate() {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: convert the identifier to snake case: `line_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5ca5ef1fce0ab2b4964bfe0f2131712e02a6cc2a7a4671bcb35d8c5ea672602c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca5ef1fce0ab2b4964bfe0f2131712e02a6cc2a7a4671bcb35d8c5ea672602c", kill_on_drop: false }`
[INFO] [stdout] 5ca5ef1fce0ab2b4964bfe0f2131712e02a6cc2a7a4671bcb35d8c5ea672602c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7535a8c503023da0aaa9ad3b66eaca32f5e1e9d41506c4135d01fd390e2263f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7535a8c503023da0aaa9ad3b66eaca32f5e1e9d41506c4135d01fd390e2263f9", kill_on_drop: false }`
[INFO] [stderr] warning: crate `myGrep` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `my_grep`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lineNumber` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |             for (lineNumber, line) in lines.enumerate() {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: convert the identifier to snake case: `line_number`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myGrep-fcc61f106728e351
[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 `Command { std: "docker" "inspect" "7535a8c503023da0aaa9ad3b66eaca32f5e1e9d41506c4135d01fd390e2263f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7535a8c503023da0aaa9ad3b66eaca32f5e1e9d41506c4135d01fd390e2263f9", kill_on_drop: false }`
[INFO] [stdout] 7535a8c503023da0aaa9ad3b66eaca32f5e1e9d41506c4135d01fd390e2263f9