[INFO] updating cached repository txus/jam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/txus/jam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/txus/jam" "work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/txus/jam" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/txus/jam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/txus/jam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 075714e26fd13e22689b33bc610e5db3d7c3cc4b
[INFO] sha for GitHub repo txus/jam: 075714e26fd13e22689b33bc610e5db3d7c3cc4b
[INFO] validating manifest of txus/jam on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of txus/jam on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing txus/jam
[INFO] finished frobbing txus/jam
[INFO] frobbed toml for txus/jam written to work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam/Cargo.toml
[INFO] started frobbing txus/jam
[INFO] finished frobbing txus/jam
[INFO] frobbed toml for txus/jam written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/txus/jam/Cargo.toml
[INFO] crate txus/jam already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing txus/jam against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7e5fa4018014f36b040a6799d6e8c338adf240a1a84ac2055c6a57cc9dde5830
[INFO] running `"docker" "start" "-a" "7e5fa4018014f36b040a6799d6e8c338adf240a1a84ac2055c6a57cc9dde5830"`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.46
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.46
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling nom v4.2.3
[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 synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.46
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.46
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.46
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.46
[INFO] [stderr]    Compiling js-sys v0.3.23
[INFO] [stderr]    Compiling web-sys v0.3.23
[INFO] [stderr]    Compiling jam v0.1.0 (/opt/crater/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: 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 26s
[INFO] running `"docker" "inspect" "7e5fa4018014f36b040a6799d6e8c338adf240a1a84ac2055c6a57cc9dde5830"`
[INFO] running `"docker" "rm" "-f" "7e5fa4018014f36b040a6799d6e8c338adf240a1a84ac2055c6a57cc9dde5830"`
[INFO] [stdout] 7e5fa4018014f36b040a6799d6e8c338adf240a1a84ac2055c6a57cc9dde5830
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a23e3c6e83a059b65d29b6693f3e3c34d0a15b1d67a889c9ebaa34434106a11b
[INFO] running `"docker" "start" "-a" "a23e3c6e83a059b65d29b6693f3e3c34d0a15b1d67a889c9ebaa34434106a11b"`
[INFO] [stderr]    Compiling jam v0.1.0 (/opt/crater/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: 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 1.56s
[INFO] running `"docker" "inspect" "a23e3c6e83a059b65d29b6693f3e3c34d0a15b1d67a889c9ebaa34434106a11b"`
[INFO] running `"docker" "rm" "-f" "a23e3c6e83a059b65d29b6693f3e3c34d0a15b1d67a889c9ebaa34434106a11b"`
[INFO] [stdout] a23e3c6e83a059b65d29b6693f3e3c34d0a15b1d67a889c9ebaa34434106a11b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/txus/jam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] dc2d74a5a5cc620e23dde12ea69e78bd6f24c86486ebfa6422de9ac0b196fa59
[INFO] running `"docker" "start" "-a" "dc2d74a5a5cc620e23dde12ea69e78bd6f24c86486ebfa6422de9ac0b196fa59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jam-d67b52c6482733b0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc2d74a5a5cc620e23dde12ea69e78bd6f24c86486ebfa6422de9ac0b196fa59"`
[INFO] running `"docker" "rm" "-f" "dc2d74a5a5cc620e23dde12ea69e78bd6f24c86486ebfa6422de9ac0b196fa59"`
[INFO] [stdout] dc2d74a5a5cc620e23dde12ea69e78bd6f24c86486ebfa6422de9ac0b196fa59