[INFO] fetching crate rsmath 0.1.6...
[INFO] documenting rsmath-0.1.6 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rsmath 0.1.6 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate rsmath 0.1.6 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 crates.io crate rsmath 0.1.6
[INFO] finished tweaking crates.io crate rsmath 0.1.6
[INFO] tweaked toml for crates.io crate rsmath 0.1.6 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 0b42c4a554b9b68b00cf93ee60b4f07cde4399208baa4b438901ffa4dd5c291f
[INFO] running `Command { std: "docker" "start" "-a" "0b42c4a554b9b68b00cf93ee60b4f07cde4399208baa4b438901ffa4dd5c291f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b42c4a554b9b68b00cf93ee60b4f07cde4399208baa4b438901ffa4dd5c291f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b42c4a554b9b68b00cf93ee60b4f07cde4399208baa4b438901ffa4dd5c291f", kill_on_drop: false }`
[INFO] [stdout] 0b42c4a554b9b68b00cf93ee60b4f07cde4399208baa4b438901ffa4dd5c291f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 272a2e9f424fbb86e62851ea5d01a467a128fd59ce430fbd6cf93b503d48408d
[INFO] running `Command { std: "docker" "start" "-a" "272a2e9f424fbb86e62851ea5d01a467a128fd59ce430fbd6cf93b503d48408d", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking libc v0.2.126
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting rsmath v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/algebra/vector.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         (sum / self.values.len() as f64)
[INFO] [stdout]     |         ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 216 -         (sum / self.values.len() as f64)
[INFO] [stdout] 216 +         sum / self.values.len() as f64
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stdout] 113 +         let val: f64 = (pow(a.x() - b.x(), 2) +
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         pow((a.y() - b.y()), 2) +
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                         pow((a.y() - b.y()), 2) +
[INFO] [stdout] 114 +                         pow(a.y() - b.y(), 2) +
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |                         pow((a.z() - b.z()), 2)).into();
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -                         pow((a.z() - b.z()), 2)).into();
[INFO] [stdout] 115 +                         pow(a.z() - b.z(), 2)).into();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/linspace/vector.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         ((self.x*other.x) + (self.y*other.y) + (self.z*other.z))
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         ((self.x*other.x) + (self.y*other.y) + (self.z*other.z))
[INFO] [stdout] 161 +         (self.x*other.x) + (self.y*other.y) + (self.z*other.z)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `Command { std: "docker" "inspect" "272a2e9f424fbb86e62851ea5d01a467a128fd59ce430fbd6cf93b503d48408d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272a2e9f424fbb86e62851ea5d01a467a128fd59ce430fbd6cf93b503d48408d", kill_on_drop: false }`
[INFO] [stdout] 272a2e9f424fbb86e62851ea5d01a467a128fd59ce430fbd6cf93b503d48408d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 63357bbd0088712d4e85730be56bc398d8df7bc1dd083460852e14c0fcb5e749
[INFO] running `Command { std: "docker" "start" "-a" "63357bbd0088712d4e85730be56bc398d8df7bc1dd083460852e14c0fcb5e749", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting rsmath v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/algebra/vector.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         (sum / self.values.len() as f64)
[INFO] [stdout]     |         ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 216 -         (sum / self.values.len() as f64)
[INFO] [stdout] 216 +         sum / self.values.len() as f64
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stdout] 113 +         let val: f64 = (pow(a.x() - b.x(), 2) +
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         pow((a.y() - b.y()), 2) +
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                         pow((a.y() - b.y()), 2) +
[INFO] [stdout] 114 +                         pow(a.y() - b.y(), 2) +
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/linspace/point.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |                         pow((a.z() - b.z()), 2)).into();
[INFO] [stdout]     |                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -                         pow((a.z() - b.z()), 2)).into();
[INFO] [stdout] 115 +                         pow(a.z() - b.z(), 2)).into();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/linspace/vector.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         ((self.x*other.x) + (self.y*other.y) + (self.z*other.z))
[INFO] [stdout]     |         ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         ((self.x*other.x) + (self.y*other.y) + (self.z*other.z))
[INFO] [stdout] 161 +         (self.x*other.x) + (self.y*other.y) + (self.z*other.z)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "63357bbd0088712d4e85730be56bc398d8df7bc1dd083460852e14c0fcb5e749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63357bbd0088712d4e85730be56bc398d8df7bc1dd083460852e14c0fcb5e749", kill_on_drop: false }`
[INFO] [stdout] 63357bbd0088712d4e85730be56bc398d8df7bc1dd083460852e14c0fcb5e749