[INFO] cloning repository https://github.com/eij/rs-convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eij/rs-convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b08c087861a52cdff391b87fbe19e38bbd101e23
[INFO] documenting eij/rs-convert against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eij/rs-convert on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eij/rs-convert
[INFO] finished tweaking git repo https://github.com/eij/rs-convert
[INFO] tweaked toml for git repo https://github.com/eij/rs-convert written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/eij/rs-convert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d999ab96580ed28d8c4ac5f0ec8e7e484b686fd7978d1b8f7a982728ee02812
[INFO] running `Command { std: "docker" "start" "-a" "1d999ab96580ed28d8c4ac5f0ec8e7e484b686fd7978d1b8f7a982728ee02812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d999ab96580ed28d8c4ac5f0ec8e7e484b686fd7978d1b8f7a982728ee02812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d999ab96580ed28d8c4ac5f0ec8e7e484b686fd7978d1b8f7a982728ee02812", kill_on_drop: false }`
[INFO] [stdout] 1d999ab96580ed28d8c4ac5f0ec8e7e484b686fd7978d1b8f7a982728ee02812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542055aa872f5028b4e447197d585c8cc8add2c2a329f2cb2c6f55967a7d2eb9
[INFO] running `Command { std: "docker" "start" "-a" "542055aa872f5028b4e447197d585c8cc8add2c2a329f2cb2c6f55967a7d2eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
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[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking glib v0.6.0
[INFO] [stderr]     Checking png v0.12.0
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[INFO] [stderr]  Documenting converter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/threads.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     (cpus * 2)
[INFO] [stdout]   |     ^        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     (cpus * 2)
[INFO] [stdout] 6 +     cpus * 2
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/folders.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |             (true)
[INFO] [stdout]   |             ^    ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -             (true)
[INFO] [stdout] 9 +             true
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 |             (false)
[INFO] [stdout]    |             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -             (false)
[INFO] [stdout] 15 +             false
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (false)
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         (false)
[INFO] [stdout] 19 +         false
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |             (false)
[INFO] [stdout]    |             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             (false)
[INFO] [stdout] 26 +             false
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |             (true)
[INFO] [stdout]    |             ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -             (true)
[INFO] [stdout] 29 +             true
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (false)
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         (false)
[INFO] [stdout] 33 +         false
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     (c)
[INFO] [stdout]    |     ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     (c)
[INFO] [stdout] 49 +     c
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.70s
[INFO] running `Command { std: "docker" "inspect" "542055aa872f5028b4e447197d585c8cc8add2c2a329f2cb2c6f55967a7d2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542055aa872f5028b4e447197d585c8cc8add2c2a329f2cb2c6f55967a7d2eb9", kill_on_drop: false }`
[INFO] [stdout] 542055aa872f5028b4e447197d585c8cc8add2c2a329f2cb2c6f55967a7d2eb9