[INFO] updating cached repository https://github.com/Redhotsmasher/RedhotScaler
[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] ea83a4fc3894c2a23b4326e39d7f2d74c4e23bd8
[INFO] documenting Redhotsmasher/RedhotScaler against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedhotsmasher%2FRedhotScaler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Redhotsmasher/RedhotScaler on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Redhotsmasher/RedhotScaler
[INFO] finished tweaking git repo https://github.com/Redhotsmasher/RedhotScaler
[INFO] tweaked toml for git repo https://github.com/Redhotsmasher/RedhotScaler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Redhotsmasher/RedhotScaler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 2b66913ebf1ef7d82bb5a3a127bf13c1143e91487162f73ea88143c428676c5b
[INFO] running `Command { std: "docker" "start" "-a" "2b66913ebf1ef7d82bb5a3a127bf13c1143e91487162f73ea88143c428676c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b66913ebf1ef7d82bb5a3a127bf13c1143e91487162f73ea88143c428676c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b66913ebf1ef7d82bb5a3a127bf13c1143e91487162f73ea88143c428676c5b", kill_on_drop: false }`
[INFO] [stdout] 2b66913ebf1ef7d82bb5a3a127bf13c1143e91487162f73ea88143c428676c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3178ff6eb4250577813cb5ba9947ebdf1589ea25779ce6d1d19b7f1f6e4d70a8
[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" "3178ff6eb4250577813cb5ba9947ebdf1589ea25779ce6d1d19b7f1f6e4d70a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]  Documenting soundthingy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/main.rs:1045:47
[INFO] [stdout]      |
[INFO] [stdout] 1045 |                 save_sound(&filename2, sound);;
[INFO] [stdout]      |                                               ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/main.rs:1067:23
[INFO] [stdout]      |
[INFO] [stdout] 1067 |         oldbdiff[j] = (oldsignal[j]-oldsignal[j-1]);
[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 assigned value
[INFO] [stdout]     --> src/main.rs:1071:23
[INFO] [stdout]      |
[INFO] [stdout] 1071 |         oldfdiff[j] = (oldsignal[j]-oldsignal[j+1]);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/main.rs:1075:23
[INFO] [stdout]      |
[INFO] [stdout] 1075 |         newbdiff[j] = (newsignal[j]-newsignal[j-1]);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/main.rs:1079:23
[INFO] [stdout]      |
[INFO] [stdout] 1079 |         newfdiff[j] = (newsignal[j]-newsignal[j+1]);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "3178ff6eb4250577813cb5ba9947ebdf1589ea25779ce6d1d19b7f1f6e4d70a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3178ff6eb4250577813cb5ba9947ebdf1589ea25779ce6d1d19b7f1f6e4d70a8", kill_on_drop: false }`
[INFO] [stdout] 3178ff6eb4250577813cb5ba9947ebdf1589ea25779ce6d1d19b7f1f6e4d70a8