[INFO] fetching crate azimuth 0.0.1...
[INFO] documenting azimuth-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate azimuth 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate azimuth 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking crates.io crate azimuth 0.0.1
[INFO] finished tweaking crates.io crate azimuth 0.0.1
[INFO] tweaked toml for crates.io crate azimuth 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] fe05c32a8870f5dc8aa3b951f75954d43a21a8b13c2de9b399e3589748c8c58c
[INFO] running `Command { std: "docker" "start" "-a" "fe05c32a8870f5dc8aa3b951f75954d43a21a8b13c2de9b399e3589748c8c58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe05c32a8870f5dc8aa3b951f75954d43a21a8b13c2de9b399e3589748c8c58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe05c32a8870f5dc8aa3b951f75954d43a21a8b13c2de9b399e3589748c8c58c", kill_on_drop: false }`
[INFO] [stdout] fe05c32a8870f5dc8aa3b951f75954d43a21a8b13c2de9b399e3589748c8c58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d3cc6461bf052bbad9aaf87ff7dafb2b34b4bcd3c5412856e722fa60fc7d46
[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" "83d3cc6461bf052bbad9aaf87ff7dafb2b34b4bcd3c5412856e722fa60fc7d46", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]  Documenting azimuth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type, try_from, const_fn, step_trait)]
[INFO] [stdout]   |                                  ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/point.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 97 | |         replace(self, Point(1))
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> src/point.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 101 | |         replace(self, Point(0))
[INFO] [stdout] 102 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/point.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 105 | |         Point(self.0 + 1)
[INFO] [stdout] 106 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/point.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 109 | |         Point(self.0 - 1)
[INFO] [stdout] 110 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> src/point.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 119 | |         u32::try_from(n)
[INFO] [stdout] 120 | |             .ok()
[INFO] [stdout] 121 | |             .and_then(|n_as_u32| self.0.checked_add(n_as_u32).map(Point))
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type, try_from, const_fn, step_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `azimuth`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name azimuth src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-ad1d09bc25abc1b9.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-fb2a5492e7a8e363.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-d35fca0f7afaa2b4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-46bf5b535d6b6b09.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a148e46ac9993373.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "83d3cc6461bf052bbad9aaf87ff7dafb2b34b4bcd3c5412856e722fa60fc7d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d3cc6461bf052bbad9aaf87ff7dafb2b34b4bcd3c5412856e722fa60fc7d46", kill_on_drop: false }`
[INFO] [stdout] 83d3cc6461bf052bbad9aaf87ff7dafb2b34b4bcd3c5412856e722fa60fc7d46
