[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#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwang-borong%2Fcode_search_tool" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wang-borong/code_search_tool on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b218801a9278d707a04058575cf39e6515eafddbe19b0844982afa94df77be43
[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" "b218801a9278d707a04058575cf39e6515eafddbe19b0844982afa94df77be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b218801a9278d707a04058575cf39e6515eafddbe19b0844982afa94df77be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b218801a9278d707a04058575cf39e6515eafddbe19b0844982afa94df77be43", kill_on_drop: false }`
[INFO] [stdout] b218801a9278d707a04058575cf39e6515eafddbe19b0844982afa94df77be43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b889b895b99757cbbfed218f804051995a2a3ad2bf99eed73f2a0e2b9e3088c9
[INFO] running `Command { std: "docker" "start" "-a" "b889b895b99757cbbfed218f804051995a2a3ad2bf99eed73f2a0e2b9e3088c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[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 4.15s
[INFO] running `Command { std: "docker" "inspect" "b889b895b99757cbbfed218f804051995a2a3ad2bf99eed73f2a0e2b9e3088c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b889b895b99757cbbfed218f804051995a2a3ad2bf99eed73f2a0e2b9e3088c9", kill_on_drop: false }`
[INFO] [stdout] b889b895b99757cbbfed218f804051995a2a3ad2bf99eed73f2a0e2b9e3088c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca3efe25d0400d90cba2578e34a1768727a9680352dbbedf11c1363907043666
[INFO] running `Command { std: "docker" "start" "-a" "ca3efe25d0400d90cba2578e34a1768727a9680352dbbedf11c1363907043666", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "ca3efe25d0400d90cba2578e34a1768727a9680352dbbedf11c1363907043666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3efe25d0400d90cba2578e34a1768727a9680352dbbedf11c1363907043666", kill_on_drop: false }`
[INFO] [stdout] ca3efe25d0400d90cba2578e34a1768727a9680352dbbedf11c1363907043666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97ee8995fdccd1a0d2933a65b09031be34575c28ec169e21c4fa22e275ca2e4c
[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" "97ee8995fdccd1a0d2933a65b09031be34575c28ec169e21c4fa22e275ca2e4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.64s
[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" "97ee8995fdccd1a0d2933a65b09031be34575c28ec169e21c4fa22e275ca2e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ee8995fdccd1a0d2933a65b09031be34575c28ec169e21c4fa22e275ca2e4c", kill_on_drop: false }`
[INFO] [stdout] 97ee8995fdccd1a0d2933a65b09031be34575c28ec169e21c4fa22e275ca2e4c