[INFO] fetching crate noise-gate 0.1.0...
[INFO] testing noise-gate-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate noise-gate 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate noise-gate 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noise-gate 0.1.0
[INFO] finished tweaking crates.io crate noise-gate 0.1.0
[INFO] tweaked toml for crates.io crate noise-gate 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate noise-gate 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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 memoffset v0.5.1
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded syn v1.0.6
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded sample v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded csv v1.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0460aa483a7bda8ae688b4223193e74c425c5d197173fd57d8d0fb4dced9aed6
[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" "0460aa483a7bda8ae688b4223193e74c425c5d197173fd57d8d0fb4dced9aed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0460aa483a7bda8ae688b4223193e74c425c5d197173fd57d8d0fb4dced9aed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0460aa483a7bda8ae688b4223193e74c425c5d197173fd57d8d0fb4dced9aed6", kill_on_drop: false }`
[INFO] [stdout] 0460aa483a7bda8ae688b4223193e74c425c5d197173fd57d8d0fb4dced9aed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c866ed8a171331c65a55eb120e3ccb93ad99458f5f883608af978a3f4ba88d72
[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" "c866ed8a171331c65a55eb120e3ccb93ad99458f5f883608af978a3f4ba88d72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sample v0.10.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sample-0.10.0/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 for type parameter `S` declared on the associated function `to_sample`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the type argument in the method call
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sample`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c866ed8a171331c65a55eb120e3ccb93ad99458f5f883608af978a3f4ba88d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c866ed8a171331c65a55eb120e3ccb93ad99458f5f883608af978a3f4ba88d72", kill_on_drop: false }`
[INFO] [stdout] c866ed8a171331c65a55eb120e3ccb93ad99458f5f883608af978a3f4ba88d72