[INFO] fetching crate twang 0.9.0...
[INFO] checking twang-0.9.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate twang 0.9.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate twang 0.9.0
[INFO] finished tweaking crates.io crate twang 0.9.0
[INFO] tweaked toml for crates.io crate twang 0.9.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twang 0.9.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twang 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95975c10fafd5893354a64df34bd9e1315e534b3cc28bddf314a6ce16bbfce10
[INFO] running `Command { std: "docker" "start" "-a" "95975c10fafd5893354a64df34bd9e1315e534b3cc28bddf314a6ce16bbfce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95975c10fafd5893354a64df34bd9e1315e534b3cc28bddf314a6ce16bbfce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95975c10fafd5893354a64df34bd9e1315e534b3cc28bddf314a6ce16bbfce10", kill_on_drop: false }`
[INFO] [stdout] 95975c10fafd5893354a64df34bd9e1315e534b3cc28bddf314a6ce16bbfce10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9f966e084ae489217d55f4a68dd68e041df0c148247d115ad464915cde5902
[INFO] running `Command { std: "docker" "start" "-a" "cd9f966e084ae489217d55f4a68dd68e041df0c148247d115ad464915cde5902", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling pix v0.13.2
[INFO] [stderr]    Compiling twang v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fon v0.6.0
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/osc/triangle.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/ops/clip.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/ops/far.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/ops/gain.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/ops/near.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Libm`
[INFO] [stdout]   --> src/osc/pulse.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::math::Libm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `abs`, `copysign`, and `signum` are never used
[INFO] [stdout]   --> src/math.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) trait Libm: Rem<Output = Self> + Sized {
[INFO] [stdout]    |                  ---- methods in this trait
[INFO] [stdout] 15 |     fn cos(self) -> Self;
[INFO] [stdout] 16 |     fn abs(self) -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 17 |     fn copysign(self, other: Self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 18 |     fn signum(self) -> Self;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pointy v0.3.0
[INFO] [stderr]     Checking footile v0.7.0
[INFO] [stderr]     Checking splotch v0.0.1
[INFO] [stdout] warning: trait `Libm` is never used
[INFO] [stdout]   --> src/math.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) trait Libm: Rem<Output = Self> + Sized {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "cd9f966e084ae489217d55f4a68dd68e041df0c148247d115ad464915cde5902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9f966e084ae489217d55f4a68dd68e041df0c148247d115ad464915cde5902", kill_on_drop: false }`
[INFO] [stdout] cd9f966e084ae489217d55f4a68dd68e041df0c148247d115ad464915cde5902