[INFO] cloning repository https://github.com/alexisvisco/searche.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexisvisco/searche.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexisvisco%2Fsearche.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexisvisco%2Fsearche.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70db8de877ff88feaa53fe1242fd4c638454ce20
[INFO] testing alexisvisco/searche.rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexisvisco%2Fsearche.rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexisvisco/searche.rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexisvisco/searche.rs
[INFO] finished tweaking git repo https://github.com/alexisvisco/searche.rs
[INFO] tweaked toml for git repo https://github.com/alexisvisco/searche.rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/alexisvisco/searche.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bbacbb7e8ea047bc509ac040bb145d506d8cafce3744f5adffde95e6cb7273e
[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" "5bbacbb7e8ea047bc509ac040bb145d506d8cafce3744f5adffde95e6cb7273e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bbacbb7e8ea047bc509ac040bb145d506d8cafce3744f5adffde95e6cb7273e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbacbb7e8ea047bc509ac040bb145d506d8cafce3744f5adffde95e6cb7273e", kill_on_drop: false }`
[INFO] [stdout] 5bbacbb7e8ea047bc509ac040bb145d506d8cafce3744f5adffde95e6cb7273e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf9c7bb64900b5fda59d906db41f940da3b6fe76bada4414a4d80ef6271e9f6
[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" "dbf9c7bb64900b5fda59d906db41f940da3b6fe76bada4414a4d80ef6271e9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling searchers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `BOLD_RED`
[INFO] [stdout]  --> src/searcher/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BOLD_RED: &str = "\x1b[1;31m";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESET`
[INFO] [stdout]  --> src/searcher/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const RESET: &str = "\x1b[0;0m";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/printer/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(buffer, "{}", occurrences.get(key).unwrap().bulk_lines);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "dbf9c7bb64900b5fda59d906db41f940da3b6fe76bada4414a4d80ef6271e9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf9c7bb64900b5fda59d906db41f940da3b6fe76bada4414a4d80ef6271e9f6", kill_on_drop: false }`
[INFO] [stdout] dbf9c7bb64900b5fda59d906db41f940da3b6fe76bada4414a4d80ef6271e9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d63dc8a5b436b315db6288818e7ce43199f72e88c622f06202f13b30afaee6a
[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" "7d63dc8a5b436b315db6288818e7ce43199f72e88c622f06202f13b30afaee6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling searchers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `BOLD_RED`
[INFO] [stdout]  --> src/searcher/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BOLD_RED: &str = "\x1b[1;31m";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESET`
[INFO] [stdout]  --> src/searcher/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const RESET: &str = "\x1b[0;0m";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/printer/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(buffer, "{}", occurrences.get(key).unwrap().bulk_lines);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7d63dc8a5b436b315db6288818e7ce43199f72e88c622f06202f13b30afaee6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d63dc8a5b436b315db6288818e7ce43199f72e88c622f06202f13b30afaee6a", kill_on_drop: false }`
[INFO] [stdout] 7d63dc8a5b436b315db6288818e7ce43199f72e88c622f06202f13b30afaee6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 308ef8d851af2db4a0858b2bceafc10871454c42e46c0fe56ae77d37571457e5
[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" "308ef8d851af2db4a0858b2bceafc10871454c42e46c0fe56ae77d37571457e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: constant is never used: `BOLD_RED`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/searcher/mod.rs:4:1
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | const BOLD_RED: &str = "\x1b[1;31m";
[INFO] [stdout] 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RESET`
[INFO] [stderr]  --> src/searcher/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const RESET: &str = "\x1b[0;0m";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/printer/mod.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         write!(buffer, "{}", occurrences.get(key).unwrap().bulk_lines);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `searchers` (bin "searchers" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/searchers-2d4062e46635ac61)
[INFO] running `Command { std: "docker" "inspect" "308ef8d851af2db4a0858b2bceafc10871454c42e46c0fe56ae77d37571457e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308ef8d851af2db4a0858b2bceafc10871454c42e46c0fe56ae77d37571457e5", kill_on_drop: false }`
[INFO] [stdout] 308ef8d851af2db4a0858b2bceafc10871454c42e46c0fe56ae77d37571457e5