[INFO] cloning repository https://github.com/lyyyuna/ls-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyyyuna/ls-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyyyuna%2Fls-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyyyuna%2Fls-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1248817076b4ee99e6bf987b792de3596eb058e
[INFO] testing lyyyuna/ls-rs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyyyuna%2Fls-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lyyyuna/ls-rs
[INFO] finished tweaking git repo https://github.com/lyyyuna/ls-rs
[INFO] tweaked toml for git repo https://github.com/lyyyuna/ls-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyyyuna/ls-rs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lyyyuna/ls-rs 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24264fb4760eb7f267ac26f5b8ce98dfcf12e6d941cb540cc6f1190e736a8688
[INFO] running `Command { std: "docker" "start" "-a" "24264fb4760eb7f267ac26f5b8ce98dfcf12e6d941cb540cc6f1190e736a8688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24264fb4760eb7f267ac26f5b8ce98dfcf12e6d941cb540cc6f1190e736a8688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24264fb4760eb7f267ac26f5b8ce98dfcf12e6d941cb540cc6f1190e736a8688", kill_on_drop: false }`
[INFO] [stdout] 24264fb4760eb7f267ac26f5b8ce98dfcf12e6d941cb540cc6f1190e736a8688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f3107eadab6b52ab34c75333a54a291fff2cf1202ce51e1f1b31a0b2e2ee97
[INFO] running `Command { std: "docker" "start" "-a" "b9f3107eadab6b52ab34c75333a54a291fff2cf1202ce51e1f1b31a0b2e2ee97", kill_on_drop: false }`
[INFO] [stderr]    Compiling lsrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print_dirs` is never used
[INFO] [stdout]   --> src/ls.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<'a> Ls<'a> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn print_dirs(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "b9f3107eadab6b52ab34c75333a54a291fff2cf1202ce51e1f1b31a0b2e2ee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f3107eadab6b52ab34c75333a54a291fff2cf1202ce51e1f1b31a0b2e2ee97", kill_on_drop: false }`
[INFO] [stdout] b9f3107eadab6b52ab34c75333a54a291fff2cf1202ce51e1f1b31a0b2e2ee97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514e70e94b8541e59874e3c816f591fe933f82970889619c1f2f104df4f2e338
[INFO] running `Command { std: "docker" "start" "-a" "514e70e94b8541e59874e3c816f591fe933f82970889619c1f2f104df4f2e338", kill_on_drop: false }`
[INFO] [stderr]    Compiling lsrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print_dirs` is never used
[INFO] [stdout]   --> src/ls.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<'a> Ls<'a> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn print_dirs(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_dirs` is never used
[INFO] [stdout]   --> src/ls.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<'a> Ls<'a> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn print_dirs(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "514e70e94b8541e59874e3c816f591fe933f82970889619c1f2f104df4f2e338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514e70e94b8541e59874e3c816f591fe933f82970889619c1f2f104df4f2e338", kill_on_drop: false }`
[INFO] [stdout] 514e70e94b8541e59874e3c816f591fe933f82970889619c1f2f104df4f2e338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6134a0d90290ba4aa01629bf5360b6819c09cde53bd34e9e3205dffa1dc67769
[INFO] running `Command { std: "docker" "start" "-a" "6134a0d90290ba4aa01629bf5360b6819c09cde53bd34e9e3205dffa1dc67769", kill_on_drop: false }`
[INFO] [stderr] warning: method `print_dirs` is never used
[INFO] [stderr]   --> src/ls.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl<'a> Ls<'a> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn print_dirs(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lsrs` (lib) generated 1 warning
[INFO] [stderr] warning: `lsrs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/ls.rs (/opt/rustwide/target/debug/deps/lsrs-a6a3dc0a817d149a)
[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] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/lsrs-122afd8c99142e1c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lsrs
[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] [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" "6134a0d90290ba4aa01629bf5360b6819c09cde53bd34e9e3205dffa1dc67769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6134a0d90290ba4aa01629bf5360b6819c09cde53bd34e9e3205dffa1dc67769", kill_on_drop: false }`
[INFO] [stdout] 6134a0d90290ba4aa01629bf5360b6819c09cde53bd34e9e3205dffa1dc67769