[INFO] cloning 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" "clone" "--bare" "https://github.com/karaketir16/rust-basic-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaraketir16%2Frust-basic-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaraketir16%2Frust-basic-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1b862d9b9759ac7290ddedf4ee6f1d836925600
[INFO] testing karaketir16/rust-basic-grep against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaraketir16%2Frust-basic-grep" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/karaketir16/rust-basic-grep on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/karaketir16/rust-basic-grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23eb95dfbb81f69b5cffac69fbab96fd05bc9b12d40aab65e811d8b41a4e932c
[INFO] running `Command { std: "docker" "start" "-a" "23eb95dfbb81f69b5cffac69fbab96fd05bc9b12d40aab65e811d8b41a4e932c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23eb95dfbb81f69b5cffac69fbab96fd05bc9b12d40aab65e811d8b41a4e932c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23eb95dfbb81f69b5cffac69fbab96fd05bc9b12d40aab65e811d8b41a4e932c", kill_on_drop: false }`
[INFO] [stdout] 23eb95dfbb81f69b5cffac69fbab96fd05bc9b12d40aab65e811d8b41a4e932c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe05c5dbc3c8659af2a1cf44cc7ff8d303db52a9b9cdc52c2beb4c48b781f4e7
[INFO] running `Command { std: "docker" "start" "-a" "fe05c5dbc3c8659af2a1cf44cc7ff8d303db52a9b9cdc52c2beb4c48b781f4e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling myGrep v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "fe05c5dbc3c8659af2a1cf44cc7ff8d303db52a9b9cdc52c2beb4c48b781f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe05c5dbc3c8659af2a1cf44cc7ff8d303db52a9b9cdc52c2beb4c48b781f4e7", kill_on_drop: false }`
[INFO] [stdout] fe05c5dbc3c8659af2a1cf44cc7ff8d303db52a9b9cdc52c2beb4c48b781f4e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c98e93aa9102d0b2e89249ad9ae3bb426eedbc14a890f3520b45263b647c3be
[INFO] running `Command { std: "docker" "start" "-a" "2c98e93aa9102d0b2e89249ad9ae3bb426eedbc14a890f3520b45263b647c3be", kill_on_drop: false }`
[INFO] [stderr]    Compiling myGrep v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcXkBHS3/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcXkBHS3/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/myGrep-a81a8af768efaf2b" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `myGrep` (bin "myGrep" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2c98e93aa9102d0b2e89249ad9ae3bb426eedbc14a890f3520b45263b647c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c98e93aa9102d0b2e89249ad9ae3bb426eedbc14a890f3520b45263b647c3be", kill_on_drop: false }`
[INFO] [stdout] 2c98e93aa9102d0b2e89249ad9ae3bb426eedbc14a890f3520b45263b647c3be