[INFO] cloning repository https://github.com/wang-borong/code_search_tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wang-borong/code_search_tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwang-borong%2Fcode_search_tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwang-borong%2Fcode_search_tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10d5a16bf7dff7f27e3cc4526577ccaae584d8a9
[INFO] testing wang-borong/code_search_tool against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwang-borong%2Fcode_search_tool" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wang-borong/code_search_tool on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wang-borong/code_search_tool
[INFO] finished tweaking git repo https://github.com/wang-borong/code_search_tool
[INFO] tweaked toml for git repo https://github.com/wang-borong/code_search_tool written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wang-borong/code_search_tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a129cbb116aef3838c2f5cde8b54d9e87e6c5fe002544a2ed4a2b4b2df9b3b3c
[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" "a129cbb116aef3838c2f5cde8b54d9e87e6c5fe002544a2ed4a2b4b2df9b3b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a129cbb116aef3838c2f5cde8b54d9e87e6c5fe002544a2ed4a2b4b2df9b3b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a129cbb116aef3838c2f5cde8b54d9e87e6c5fe002544a2ed4a2b4b2df9b3b3c", kill_on_drop: false }`
[INFO] [stdout] a129cbb116aef3838c2f5cde8b54d9e87e6c5fe002544a2ed4a2b4b2df9b3b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47550bb35230f65bf9ab4158a52df3f54cde9b1802d0a1280baca30fd95a7de
[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" "d47550bb35230f65bf9ab4158a52df3f54cde9b1802d0a1280baca30fd95a7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling code-search v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     Command::new("bash")
[INFO] [stdout] 41 | |         .arg("-c")
[INFO] [stdout] 42 | |         .arg(&view_cmd)
[INFO] [stdout] 43 | |         .spawn()
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         .unwrap()
[INFO] [stdout] 47 | |         .success();
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "d47550bb35230f65bf9ab4158a52df3f54cde9b1802d0a1280baca30fd95a7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47550bb35230f65bf9ab4158a52df3f54cde9b1802d0a1280baca30fd95a7de", kill_on_drop: false }`
[INFO] [stdout] d47550bb35230f65bf9ab4158a52df3f54cde9b1802d0a1280baca30fd95a7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc9693fe817e096d202df33ed8bc120a52a0d93a48ca3b852dd2db780f480acb
[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" "cc9693fe817e096d202df33ed8bc120a52a0d93a48ca3b852dd2db780f480acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling code-search v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     Command::new("bash")
[INFO] [stdout] 41 | |         .arg("-c")
[INFO] [stdout] 42 | |         .arg(&view_cmd)
[INFO] [stdout] 43 | |         .spawn()
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         .unwrap()
[INFO] [stdout] 47 | |         .success();
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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 0.85s
[INFO] running `Command { std: "docker" "inspect" "cc9693fe817e096d202df33ed8bc120a52a0d93a48ca3b852dd2db780f480acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9693fe817e096d202df33ed8bc120a52a0d93a48ca3b852dd2db780f480acb", kill_on_drop: false }`
[INFO] [stdout] cc9693fe817e096d202df33ed8bc120a52a0d93a48ca3b852dd2db780f480acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92e0ab58746c66c4cc2037d261a08d87bb534e9f57f82917c98a15fd12166ae0
[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" "92e0ab58746c66c4cc2037d261a08d87bb534e9f57f82917c98a15fd12166ae0", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     Command::new("bash")
[INFO] [stderr] 41 | |         .arg("-c")
[INFO] [stderr] 42 | |         .arg(&view_cmd)
[INFO] [stderr] 43 | |         .spawn()
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         .unwrap()
[INFO] [stderr] 47 | |         .success();
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `code-search` (bin "code-search" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/code_search-c1ee08f518ee5964)
[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" "92e0ab58746c66c4cc2037d261a08d87bb534e9f57f82917c98a15fd12166ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e0ab58746c66c4cc2037d261a08d87bb534e9f57f82917c98a15fd12166ae0", kill_on_drop: false }`
[INFO] [stdout] 92e0ab58746c66c4cc2037d261a08d87bb534e9f57f82917c98a15fd12166ae0