[INFO] updating cached repository https://github.com/txus/jam
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 075714e26fd13e22689b33bc610e5db3d7c3cc4b
[INFO] checking txus/jam against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxus%2Fjam" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/txus/jam on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/txus/jam
[INFO] finished tweaking git repo https://github.com/txus/jam
[INFO] tweaked toml for git repo https://github.com/txus/jam written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/txus/jam already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f8dc8e50ee07c15aae07f68d26943c5c3dde060a17f3f6c56fa1d2f4070798b
[INFO] running `"docker" "start" "-a" "1f8dc8e50ee07c15aae07f68d26943c5c3dde060a17f3f6c56fa1d2f4070798b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.46
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.46
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.46
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.46
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.46
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.46
[INFO] [stderr]     Checking js-sys v0.3.23
[INFO] [stderr]    Compiling web-sys v0.3.23
[INFO] [stderr]     Checking jam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `web_sys::console`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use web_sys::console;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/bus.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bus.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 |     controls: Rc<RefCell<HashMap<String, Box<Fn(f32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^ help: use `dyn`: `dyn Fn(f32)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bus.rs:25:74
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn control(&self, id: String, initial_value: f32, on_change: Box<Fn(f32)>) {
[INFO] [stderr]    |                                                                          ^^^^^^^ help: use `dyn`: `dyn Fn(f32)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `web_sys::console`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use web_sys::console;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/bus.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bus.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 |     controls: Rc<RefCell<HashMap<String, Box<Fn(f32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^ help: use `dyn`: `dyn Fn(f32)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bus.rs:25:74
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn control(&self, id: String, initial_value: f32, on_change: Box<Fn(f32)>) {
[INFO] [stderr]    |                                                                          ^^^^^^^ help: use `dyn`: `dyn Fn(f32)`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `node`
[INFO] [stderr]   --> src/cv.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     node: GainNode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `modulate`
[INFO] [stderr]   --> src/bus.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn modulate(&self, from: String, to: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value`
[INFO] [stderr]   --> src/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn value(&self, id: String) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]    --> src/lib.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `release`
[INFO] [stderr]    --> src/lib.rs:714:1
[INFO] [stderr]     |
[INFO] [stderr] 714 | unsafe fn release() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `node`
[INFO] [stderr]   --> src/cv.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     node: GainNode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `modulate`
[INFO] [stderr]   --> src/bus.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn modulate(&self, from: String, to: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value`
[INFO] [stderr]   --> src/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn value(&self, id: String) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]    --> src/lib.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `release`
[INFO] [stderr]    --> src/lib.rs:714:1
[INFO] [stderr]     |
[INFO] [stderr] 714 | unsafe fn release() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "1f8dc8e50ee07c15aae07f68d26943c5c3dde060a17f3f6c56fa1d2f4070798b"`
[INFO] running `"docker" "rm" "-f" "1f8dc8e50ee07c15aae07f68d26943c5c3dde060a17f3f6c56fa1d2f4070798b"`
[INFO] [stdout] 1f8dc8e50ee07c15aae07f68d26943c5c3dde060a17f3f6c56fa1d2f4070798b