[INFO] fetching crate libmaj 0.1.6...
[INFO] documenting libmaj-0.1.6 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate libmaj 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libmaj 0.1.6 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmaj 0.1.6
[INFO] finished tweaking crates.io crate libmaj 0.1.6
[INFO] tweaked toml for crates.io crate libmaj 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 719a81f176cdfc0df919fa4285f0a0f6fec128f892ee8df600d2e7a43f2d7719
[INFO] running `Command { std: "docker" "start" "-a" "719a81f176cdfc0df919fa4285f0a0f6fec128f892ee8df600d2e7a43f2d7719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719a81f176cdfc0df919fa4285f0a0f6fec128f892ee8df600d2e7a43f2d7719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719a81f176cdfc0df919fa4285f0a0f6fec128f892ee8df600d2e7a43f2d7719", kill_on_drop: false }`
[INFO] [stdout] 719a81f176cdfc0df919fa4285f0a0f6fec128f892ee8df600d2e7a43f2d7719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab35ec374468104eddeca52bbd8b11aa2cb726ca823c7a87759064a682e67bf
[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" "8ab35ec374468104eddeca52bbd8b11aa2cb726ca823c7a87759064a682e67bf", 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] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking file-fetcher v0.1.4
[INFO] [stderr]  Documenting libmaj v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.81s
[INFO] running `Command { std: "docker" "inspect" "8ab35ec374468104eddeca52bbd8b11aa2cb726ca823c7a87759064a682e67bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab35ec374468104eddeca52bbd8b11aa2cb726ca823c7a87759064a682e67bf", kill_on_drop: false }`
[INFO] [stdout] 8ab35ec374468104eddeca52bbd8b11aa2cb726ca823c7a87759064a682e67bf
