[INFO] fetching crate wcomm 0.1.3...
[INFO] checking wcomm-0.1.3 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate wcomm 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate wcomm 0.1.3
[INFO] finished tweaking crates.io crate wcomm 0.1.3
[INFO] tweaked toml for crates.io crate wcomm 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wcomm 0.1.3 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wcomm 0.1.3 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de096735f8d3e0ef543d09d3d23f77f7638b5ea58d1e8a74de82bcca2f82ad2
[INFO] running `Command { std: "docker" "start" "-a" "1de096735f8d3e0ef543d09d3d23f77f7638b5ea58d1e8a74de82bcca2f82ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de096735f8d3e0ef543d09d3d23f77f7638b5ea58d1e8a74de82bcca2f82ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de096735f8d3e0ef543d09d3d23f77f7638b5ea58d1e8a74de82bcca2f82ad2", kill_on_drop: false }`
[INFO] [stdout] 1de096735f8d3e0ef543d09d3d23f77f7638b5ea58d1e8a74de82bcca2f82ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529491a1cc770d78d74a29a9709dd619b0e6436a3505b62450abf08344b0b64d
[INFO] running `Command { std: "docker" "start" "-a" "529491a1cc770d78d74a29a9709dd619b0e6436a3505b62450abf08344b0b64d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking numeric-array v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking rustfft v6.0.1
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling duplicate v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking cpal v0.13.5
[INFO] [stderr]     Checking fundsp v0.6.4
[INFO] [stderr]     Checking wcomm v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `channel::*`
[INFO] [stdout]  --> src/encoding/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use channel::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency`
[INFO] [stdout]   --> src/channels/sound.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn listen(&self, frequency: u32) {
[INFO] [stdout]    |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel::*`
[INFO] [stdout]  --> src/encoding/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use channel::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/modulation/qam.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/modulation/qam.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/modulation/qam.rs:28:62
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channels/sound.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn new(modulator: &dyn DigitalModulator) -> Sound {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn new(modulator: &dyn DigitalModulator) -> Sound<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/channels/sound.rs:120:70
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound {
[INFO] [stdout]     |                                          --                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound<'a> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency`
[INFO] [stdout]   --> src/channels/sound.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn listen(&self, frequency: u32) {
[INFO] [stdout]    |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/modulation/qam.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/modulation/qam.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/modulation/qam.rs:28:62
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) {
[INFO] [stdout]    |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channels/sound.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn new(modulator: &dyn DigitalModulator) -> Sound {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn new(modulator: &dyn DigitalModulator) -> Sound<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/channels/sound.rs:120:70
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound {
[INFO] [stdout]     |                                          --                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound<'a> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.16s
[INFO] running `Command { std: "docker" "inspect" "529491a1cc770d78d74a29a9709dd619b0e6436a3505b62450abf08344b0b64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529491a1cc770d78d74a29a9709dd619b0e6436a3505b62450abf08344b0b64d", kill_on_drop: false }`
[INFO] [stdout] 529491a1cc770d78d74a29a9709dd619b0e6436a3505b62450abf08344b0b64d
