[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] checking FreeFull/musicprogram against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/musicprogram on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 667afe86d389ef83dc274d41933c9c8b92e68c52f08190046d7482bdd11ae3c4
[INFO] running `Command { std: "docker" "start" "-a" "667afe86d389ef83dc274d41933c9c8b92e68c52f08190046d7482bdd11ae3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "667afe86d389ef83dc274d41933c9c8b92e68c52f08190046d7482bdd11ae3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667afe86d389ef83dc274d41933c9c8b92e68c52f08190046d7482bdd11ae3c4", kill_on_drop: false }`
[INFO] [stdout] 667afe86d389ef83dc274d41933c9c8b92e68c52f08190046d7482bdd11ae3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f049baaba4da16f5e3282d954a112be559ccba4c8ded7d2628a862059254b3e4
[INFO] running `Command { std: "docker" "start" "-a" "f049baaba4da16f5e3282d954a112be559ccba4c8ded7d2628a862059254b3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking wmidi v4.0.6
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rtrb v0.1.3
[INFO] [stderr]    Compiling ahash v0.6.3
[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-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking jack-sys v0.2.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking jack v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking 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 darling v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]     Checking wasmer_enumset v1.0.1
[INFO] [stderr]     Checking cursive_core v0.2.2
[INFO] [stderr]     Checking cursive v0.16.3
[INFO] [stderr]     Checking 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: 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: 4 warnings emitted
[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 27.69s
[INFO] running `Command { std: "docker" "inspect" "f049baaba4da16f5e3282d954a112be559ccba4c8ded7d2628a862059254b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f049baaba4da16f5e3282d954a112be559ccba4c8ded7d2628a862059254b3e4", kill_on_drop: false }`
[INFO] [stdout] f049baaba4da16f5e3282d954a112be559ccba4c8ded7d2628a862059254b3e4