[INFO] fetching crate nigant 0.4.1...
[INFO] testing nigant-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate nigant 0.4.1 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate nigant 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nigant 0.4.1
[INFO] finished tweaking crates.io crate nigant 0.4.1
[INFO] tweaked toml for crates.io crate nigant 0.4.1 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate nigant 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d1b93e0680297fce5e19fc671b9d6de732b87763dc8c12722eda330dd200c0b
[INFO] running `Command { std: "docker" "start" "-a" "4d1b93e0680297fce5e19fc671b9d6de732b87763dc8c12722eda330dd200c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1b93e0680297fce5e19fc671b9d6de732b87763dc8c12722eda330dd200c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1b93e0680297fce5e19fc671b9d6de732b87763dc8c12722eda330dd200c0b", kill_on_drop: false }`
[INFO] [stdout] 4d1b93e0680297fce5e19fc671b9d6de732b87763dc8c12722eda330dd200c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe158ccdfe4e50ce1d1bbe5d167eb4ad453d036838d304751081a1903db3d17
[INFO] running `Command { std: "docker" "start" "-a" "8fe158ccdfe4e50ce1d1bbe5d167eb4ad453d036838d304751081a1903db3d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
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[INFO] [stderr]    Compiling tokio v0.2.13
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[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tokio-util v0.2.0
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[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling ssri v5.0.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling cacache v6.0.0
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling nigant v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `synonyms`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     synonyms: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `etymology`
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     etymology: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `debug`
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     debug: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `verbose`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nigant` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "8fe158ccdfe4e50ce1d1bbe5d167eb4ad453d036838d304751081a1903db3d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe158ccdfe4e50ce1d1bbe5d167eb4ad453d036838d304751081a1903db3d17", kill_on_drop: false }`
[INFO] [stdout] 8fe158ccdfe4e50ce1d1bbe5d167eb4ad453d036838d304751081a1903db3d17