[INFO] fetching crate pcm-flow 0.5.0...
[INFO] checking pcm-flow-0.5.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate pcm-flow 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pcm-flow 0.5.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcm-flow 0.5.0
[INFO] finished tweaking crates.io crate pcm-flow 0.5.0
[INFO] tweaked toml for crates.io crate pcm-flow 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding fixedbitset v0.1.9 (available: v0.5.7)
[INFO] [stderr]       Adding ordermap v0.3.5 (available: v0.5.3)
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.6.5)
[INFO] [stderr]       Adding sample v0.9.1 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sample v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb9faa06b0fbaf336febf78551372d49dbd45a358ec2a7e4c51b6ce51364cb1
[INFO] running `Command { std: "docker" "start" "-a" "bfb9faa06b0fbaf336febf78551372d49dbd45a358ec2a7e4c51b6ce51364cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb9faa06b0fbaf336febf78551372d49dbd45a358ec2a7e4c51b6ce51364cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb9faa06b0fbaf336febf78551372d49dbd45a358ec2a7e4c51b6ce51364cb1", kill_on_drop: false }`
[INFO] [stdout] bfb9faa06b0fbaf336febf78551372d49dbd45a358ec2a7e4c51b6ce51364cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e01e4e4dd602220a0d6752c1df0cb9f3829d6b73735f3b7d478ced11160a7e
[INFO] running `Command { std: "docker" "start" "-a" "39e01e4e4dd602220a0d6752c1df0cb9f3829d6b73735f3b7d478ced11160a7e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-0.9.1/src/window.rs:73:41
[INFO] [stdout]     |
[INFO] [stdout] 73  |         let v = phase.to_float_sample().to_sample() * PI_2;
[INFO] [stdout]     |                                         ^^^^^^^^^ cannot infer type of the type parameter `S` declared on the method `to_sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<S as Sample>::Float: ToSample<_>`
[INFO] [stdout] note: required by a bound in `Sample::to_sample`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-0.9.1/src/lib.rs:266:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn to_sample<S>(self) -> S
[INFO] [stdout]     |        --------- required by a bound in this associated function
[INFO] [stdout] 265 |     where
[INFO] [stdout] 266 |         Self: ToSample<S>,
[INFO] [stdout]     |               ^^^^^^^^^^^ required by this bound in `Sample::to_sample`
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 73  |         let v = phase.to_float_sample().to_sample::<S>() * PI_2;
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sample` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "39e01e4e4dd602220a0d6752c1df0cb9f3829d6b73735f3b7d478ced11160a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e01e4e4dd602220a0d6752c1df0cb9f3829d6b73735f3b7d478ced11160a7e", kill_on_drop: false }`
[INFO] [stdout] 39e01e4e4dd602220a0d6752c1df0cb9f3829d6b73735f3b7d478ced11160a7e