[INFO] cloning repository https://github.com/matthuszagh/librarian
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthuszagh/librarian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthuszagh%2Flibrarian", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthuszagh%2Flibrarian'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 777b50fe269682a29c55f686caf0d5bd868a644c
[INFO] testing matthuszagh/librarian against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthuszagh%2Flibrarian" "/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/matthuszagh/librarian on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthuszagh/librarian
[INFO] finished tweaking git repo https://github.com/matthuszagh/librarian
[INFO] tweaked toml for git repo https://github.com/matthuszagh/librarian written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/matthuszagh/librarian already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbe68fa43fb0e0a9c2e636130357c314c6a93a938ff5c12a28c666ab464931db
[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" "cbe68fa43fb0e0a9c2e636130357c314c6a93a938ff5c12a28c666ab464931db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe68fa43fb0e0a9c2e636130357c314c6a93a938ff5c12a28c666ab464931db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe68fa43fb0e0a9c2e636130357c314c6a93a938ff5c12a28c666ab464931db", kill_on_drop: false }`
[INFO] [stdout] cbe68fa43fb0e0a9c2e636130357c314c6a93a938ff5c12a28c666ab464931db
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb866332986916cb96a3a9952dac0cc94baffb4f149c2126f0a5d0aafd725c9
[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" "5eb866332986916cb96a3a9952dac0cc94baffb4f149c2126f0a5d0aafd725c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling librarian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::resource::Resource`
[INFO] [stdout]  --> src/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::resource::Resource;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuzzy_matcher::skim::SkimMatcherV2`
[INFO] [stdout]  --> src/search.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fuzzy_matcher::skim::SkimMatcherV2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuzzy_matcher::FuzzyMatcher`
[INFO] [stdout]  --> src/search.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fuzzy_matcher::FuzzyMatcher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catalog`
[INFO] [stdout]   --> src/search.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_catalog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resources_path`
[INFO] [stdout]   --> src/search.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resources_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> src/search.rs:51:72
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MatchType`
[INFO] [stdout]   --> src/search.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum MatchType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "5eb866332986916cb96a3a9952dac0cc94baffb4f149c2126f0a5d0aafd725c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb866332986916cb96a3a9952dac0cc94baffb4f149c2126f0a5d0aafd725c9", kill_on_drop: false }`
[INFO] [stdout] 5eb866332986916cb96a3a9952dac0cc94baffb4f149c2126f0a5d0aafd725c9
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5ac3abf5ebf3b68640e0dcb1ff066ebcdd192237551737e7f8080ac46c8b24
[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" "ca5ac3abf5ebf3b68640e0dcb1ff066ebcdd192237551737e7f8080ac46c8b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling librarian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::resource::Resource`
[INFO] [stdout]  --> src/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::resource::Resource;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuzzy_matcher::skim::SkimMatcherV2`
[INFO] [stdout]  --> src/search.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fuzzy_matcher::skim::SkimMatcherV2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuzzy_matcher::FuzzyMatcher`
[INFO] [stdout]  --> src/search.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fuzzy_matcher::FuzzyMatcher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catalog`
[INFO] [stdout]   --> src/search.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_catalog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resources_path`
[INFO] [stdout]   --> src/search.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resources_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> src/search.rs:51:72
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stdout]    |                                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MatchType`
[INFO] [stdout]   --> src/search.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum MatchType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "ca5ac3abf5ebf3b68640e0dcb1ff066ebcdd192237551737e7f8080ac46c8b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5ac3abf5ebf3b68640e0dcb1ff066ebcdd192237551737e7f8080ac46c8b24", kill_on_drop: false }`
[INFO] [stdout] ca5ac3abf5ebf3b68640e0dcb1ff066ebcdd192237551737e7f8080ac46c8b24
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3bb3abafba0037242698eea08139f2e9d49ba36c979359f7133be868592d3ec
[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" "d3bb3abafba0037242698eea08139f2e9d49ba36c979359f7133be868592d3ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::resource::Resource`
[INFO] [stderr]  --> src/search.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::resource::Resource;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fuzzy_matcher::skim::SkimMatcherV2`
[INFO] [stderr]  --> src/search.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use fuzzy_matcher::skim::SkimMatcherV2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fuzzy_matcher::FuzzyMatcher`
[INFO] [stderr]  --> src/search.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use fuzzy_matcher::FuzzyMatcher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `catalog`
[INFO] [stderr]   --> src/search.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_catalog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resources_path`
[INFO] [stderr]   --> src/search.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resources_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/search.rs:51:72
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn librarian_fuzzy_search(catalog: &Catalog, resources_path: &PathBuf, query: &str) {
[INFO] [stderr]    |                                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MatchType`
[INFO] [stderr]   --> src/search.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum MatchType {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `librarian` (bin "librarian" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/librarian-335e8462e218c6c9)
[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" "d3bb3abafba0037242698eea08139f2e9d49ba36c979359f7133be868592d3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bb3abafba0037242698eea08139f2e9d49ba36c979359f7133be868592d3ec", kill_on_drop: false }`
[INFO] [stdout] d3bb3abafba0037242698eea08139f2e9d49ba36c979359f7133be868592d3ec