[INFO] updating cached repository https://github.com/schnommus/rust-fir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82c71f2ec7814d186b5166e41999e0d2f228f2c5
[INFO] documenting schnommus/rust-fir against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschnommus%2Frust-fir" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schnommus/rust-fir on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schnommus/rust-fir
[INFO] finished tweaking git repo https://github.com/schnommus/rust-fir
[INFO] tweaked toml for git repo https://github.com/schnommus/rust-fir written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/schnommus/rust-fir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a19d5ea8360d2eebf5e7d3013c03c861f69fbbfa0325209e62f2ff278e42c46
[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" "8a19d5ea8360d2eebf5e7d3013c03c861f69fbbfa0325209e62f2ff278e42c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a19d5ea8360d2eebf5e7d3013c03c861f69fbbfa0325209e62f2ff278e42c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a19d5ea8360d2eebf5e7d3013c03c861f69fbbfa0325209e62f2ff278e42c46", kill_on_drop: false }`
[INFO] [stdout] 8a19d5ea8360d2eebf5e7d3013c03c861f69fbbfa0325209e62f2ff278e42c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 8bf03a18547660fcf7d348f829bd556be5258e3ad0d83c6e6b3275e669fc41e0
[INFO] running `Command { std: "docker" "start" "-a" "8bf03a18547660fcf7d348f829bd556be5258e3ad0d83c6e6b3275e669fc41e0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking raster v0.2.0
[INFO] [stderr]  Documenting fir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `Fs` should have an upper case name
[INFO] [stdout]    --> src/main.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const Fs: f64 = 20e6;
[INFO] [stdout]     |       ^^ help: convert the identifier to upper case (notice the capitalization): `FS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `nyquist` should have an upper case name
[INFO] [stdout]    --> src/main.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const nyquist: f64 = Fs/2.0;
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `NYQUIST`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_lines` should have an upper case name
[INFO] [stdout]    --> src/main.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | const n_lines: i32 = 625;
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `N_LINES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_columns` should have an upper case name
[INFO] [stdout]    --> src/main.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | const n_columns: i32 = 700;
[INFO] [stdout]     |       ^^^^^^^^^ help: convert the identifier to upper case: `N_COLUMNS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `line_freq_hz` should have an upper case name
[INFO] [stdout]    --> src/main.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 | const line_freq_hz: f64 = 15.625e3;
[INFO] [stdout]     |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `LINE_FREQ_HZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `frame_freq_hz` should have an upper case name
[INFO] [stdout]    --> src/main.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 | const frame_freq_hz: f64 = 50.0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FRAME_FREQ_HZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.58s
[INFO] running `Command { std: "docker" "inspect" "8bf03a18547660fcf7d348f829bd556be5258e3ad0d83c6e6b3275e669fc41e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf03a18547660fcf7d348f829bd556be5258e3ad0d83c6e6b3275e669fc41e0", kill_on_drop: false }`
[INFO] [stdout] 8bf03a18547660fcf7d348f829bd556be5258e3ad0d83c6e6b3275e669fc41e0