[INFO] cloning repository https://github.com/audreyadora/librarycat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audreyadora/librarycat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudreyadora%2Flibrarycat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudreyadora%2Flibrarycat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b30db0feebb5006dc59107c96059c8605e638cf
[INFO] checking audreyadora/librarycat-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudreyadora%2Flibrarycat-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/audreyadora/librarycat-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/audreyadora/librarycat-rs
[INFO] finished tweaking git repo https://github.com/audreyadora/librarycat-rs
[INFO] tweaked toml for git repo https://github.com/audreyadora/librarycat-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/audreyadora/librarycat-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded type1-encoding-parser v0.1.0
[INFO] [stderr]   Downloaded pdf-extract v0.7.4
[INFO] [stderr]   Downloaded adobe-cmap-parser v0.4.0
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded contractions v0.5.4
[INFO] [stderr]   Downloaded keyword_extraction v1.3.0
[INFO] [stderr]   Downloaded natural v0.3.0
[INFO] [stderr]   Downloaded stop-words v0.8.0
[INFO] [stderr]   Downloaded postscript v0.14.1
[INFO] [stderr]   Downloaded streaming-stats v0.1.29
[INFO] [stderr]   Downloaded epub v1.2.4
[INFO] [stderr]   Downloaded lopdf v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 913e3c6f618047e6c8168421975440a055f5bbea0bbd7f59ecf2ea231f646de4
[INFO] running `Command { std: "docker" "start" "-a" "913e3c6f618047e6c8168421975440a055f5bbea0bbd7f59ecf2ea231f646de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "913e3c6f618047e6c8168421975440a055f5bbea0bbd7f59ecf2ea231f646de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913e3c6f618047e6c8168421975440a055f5bbea0bbd7f59ecf2ea231f646de4", kill_on_drop: false }`
[INFO] [stdout] 913e3c6f618047e6c8168421975440a055f5bbea0bbd7f59ecf2ea231f646de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7d071a1b9bff71f9cc70573bffdc38e65d1f4390136b99da2edda5dc72bcfc
[INFO] running `Command { std: "docker" "start" "-a" "9a7d071a1b9bff71f9cc70573bffdc38e65d1f4390136b99da2edda5dc72bcfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking adobe-cmap-parser v0.4.0
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking postscript v0.14.1
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking streaming-stats v0.1.29
[INFO] [stderr]     Checking natural v0.3.0
[INFO] [stderr]    Compiling stop-words v0.8.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking keyword_extraction v1.3.0
[INFO] [stderr]     Checking epub v1.2.4
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking lopdf v0.30.0
[INFO] [stderr]     Checking contractions v0.5.4
[INFO] [stderr]     Checking pdf-extract v0.7.4
[INFO] [stderr]     Checking librarycat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `pdf_extract` is imported redundantly
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pdf_extract;
[INFO] [stdout]    |     ^^^^^^^^^^^ the item `pdf_extract` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand;
[INFO] [stdout]    |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pdf_extract` is imported redundantly
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pdf_extract;
[INFO] [stdout]    |     ^^^^^^^^^^^ the item `pdf_extract` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand;
[INFO] [stdout]    |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.41s
[INFO] running `Command { std: "docker" "inspect" "9a7d071a1b9bff71f9cc70573bffdc38e65d1f4390136b99da2edda5dc72bcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7d071a1b9bff71f9cc70573bffdc38e65d1f4390136b99da2edda5dc72bcfc", kill_on_drop: false }`
[INFO] [stdout] 9a7d071a1b9bff71f9cc70573bffdc38e65d1f4390136b99da2edda5dc72bcfc