[INFO] cloning repository https://github.com/FreeFull/musicprogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/musicprogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87acb6bb0bb55c9fac1da88999ebe6d2ec72aae8
[INFO] testing FreeFull/musicprogram against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/musicprogram on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFull/musicprogram
[INFO] finished tweaking git repo https://github.com/FreeFull/musicprogram
[INFO] tweaked toml for git repo https://github.com/FreeFull/musicprogram written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFull/musicprogram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.2.2
[INFO] [stderr]   Downloaded jack v0.7.1
[INFO] [stderr]   Downloaded wmidi v4.0.6
[INFO] [stderr]   Downloaded rtrb v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22054d6490645b44a3bf3e9869fcb8cec931ebd66945913acd3b427200baa7e9
[INFO] running `Command { std: "docker" "start" "-a" "22054d6490645b44a3bf3e9869fcb8cec931ebd66945913acd3b427200baa7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22054d6490645b44a3bf3e9869fcb8cec931ebd66945913acd3b427200baa7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22054d6490645b44a3bf3e9869fcb8cec931ebd66945913acd3b427200baa7e9", kill_on_drop: false }`
[INFO] [stdout] 22054d6490645b44a3bf3e9869fcb8cec931ebd66945913acd3b427200baa7e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b92473246090b3f790ab3eeac522ed09cb70cd2fbb98a08070ad8f0c17bcc80
[INFO] running `Command { std: "docker" "start" "-a" "0b92473246090b3f790ab3eeac522ed09cb70cd2fbb98a08070ad8f0c17bcc80", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling wmidi v4.0.6
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling rtrb v0.1.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling jack-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling jack v0.7.1
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]    Compiling wasmer_enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.2.2
[INFO] [stderr]    Compiling cursive v0.16.3
[INFO] [stderr]    Compiling musicprogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/engine/stack/nodes.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     Add {
[INFO] [stdout] 15 | |         input: Port,
[INFO] [stdout] 16 | |         output: Port,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/engine/bitset.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn new() -> BitSet {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]  --> src/engine/bitset.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn set(&mut self, index: u8) {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/engine/bitset.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn clear(&mut self, index: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.78s
[INFO] running `Command { std: "docker" "inspect" "0b92473246090b3f790ab3eeac522ed09cb70cd2fbb98a08070ad8f0c17bcc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b92473246090b3f790ab3eeac522ed09cb70cd2fbb98a08070ad8f0c17bcc80", kill_on_drop: false }`
[INFO] [stdout] 0b92473246090b3f790ab3eeac522ed09cb70cd2fbb98a08070ad8f0c17bcc80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96833835fcc0a981f957728469a2e58a34fc27570ce2fb6f8ffdde1a232f2b2
[INFO] running `Command { std: "docker" "start" "-a" "b96833835fcc0a981f957728469a2e58a34fc27570ce2fb6f8ffdde1a232f2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling musicprogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/engine/stack/nodes.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     Add {
[INFO] [stdout] 15 | |         input: Port,
[INFO] [stdout] 16 | |         output: Port,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/engine/bitset.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn new() -> BitSet {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]  --> src/engine/bitset.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn set(&mut self, index: u8) {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/engine/bitset.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn clear(&mut self, index: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "b96833835fcc0a981f957728469a2e58a34fc27570ce2fb6f8ffdde1a232f2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96833835fcc0a981f957728469a2e58a34fc27570ce2fb6f8ffdde1a232f2b2", kill_on_drop: false }`
[INFO] [stdout] b96833835fcc0a981f957728469a2e58a34fc27570ce2fb6f8ffdde1a232f2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f396425ed164452a8c7111bce51d2429f2d56a549d432007134b933116e05059
[INFO] running `Command { std: "docker" "start" "-a" "f396425ed164452a8c7111bce51d2429f2d56a549d432007134b933116e05059", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/engine/stack/nodes.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     Add {
[INFO] [stderr] 15 | |         input: Port,
[INFO] [stderr] 16 | |         output: Port,
[INFO] [stderr] 17 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/engine/bitset.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn new() -> BitSet {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]  --> src/engine/bitset.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn set(&mut self, index: u8) {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/engine/bitset.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn clear(&mut self, index: u8) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/musicprogram-50fd79a84d21ac15)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f396425ed164452a8c7111bce51d2429f2d56a549d432007134b933116e05059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f396425ed164452a8c7111bce51d2429f2d56a549d432007134b933116e05059", kill_on_drop: false }`
[INFO] [stdout] f396425ed164452a8c7111bce51d2429f2d56a549d432007134b933116e05059