[INFO] cloning repository https://github.com/emrik5/zup-music
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emrik5/zup-music" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fzup-music", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fzup-music'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f37ce783311f7ad614b36a9c0036cb5db848884b
[INFO] building emrik5/zup-music against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fzup-music" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emrik5/zup-music on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emrik5/zup-music
[INFO] finished tweaking git repo https://github.com/emrik5/zup-music
[INFO] tweaked toml for git repo https://github.com/emrik5/zup-music written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emrik5/zup-music 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midly v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1a5097b51238a9fbd239ee32449f3a90a67f465e051eb483bb7aa5f0e2db496
[INFO] running `Command { std: "docker" "start" "-a" "b1a5097b51238a9fbd239ee32449f3a90a67f465e051eb483bb7aa5f0e2db496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a5097b51238a9fbd239ee32449f3a90a67f465e051eb483bb7aa5f0e2db496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a5097b51238a9fbd239ee32449f3a90a67f465e051eb483bb7aa5f0e2db496", kill_on_drop: false }`
[INFO] [stdout] b1a5097b51238a9fbd239ee32449f3a90a67f465e051eb483bb7aa5f0e2db496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b321d1207e2d1842d244ba7e261b179fa1340e25fa1e568ef1f5bc09aa3829e
[INFO] running `Command { std: "docker" "start" "-a" "4b321d1207e2d1842d244ba7e261b179fa1340e25fa1e568ef1f5bc09aa3829e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling midly v0.5.3
[INFO] [stderr]    Compiling zup_music v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `secs_passed` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut secs_passed: f64 = 0.0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_secs_passed` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/main.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             TRK::Midi { channel, message } => {
[INFO] [stdout]    |                         ^^^^^^^ help: try ignoring the field: `channel: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `secs_passed` is never read
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     secs_passed += delta;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "4b321d1207e2d1842d244ba7e261b179fa1340e25fa1e568ef1f5bc09aa3829e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b321d1207e2d1842d244ba7e261b179fa1340e25fa1e568ef1f5bc09aa3829e", kill_on_drop: false }`
[INFO] [stdout] 4b321d1207e2d1842d244ba7e261b179fa1340e25fa1e568ef1f5bc09aa3829e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a015a0e3810e430506f5fa62c3deccb5474451a622210977e2c666a7cdc32b
[INFO] running `Command { std: "docker" "start" "-a" "82a015a0e3810e430506f5fa62c3deccb5474451a622210977e2c666a7cdc32b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zup_music v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `secs_passed` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut secs_passed: f64 = 0.0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_secs_passed` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/main.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             TRK::Midi { channel, message } => {
[INFO] [stdout]    |                         ^^^^^^^ help: try ignoring the field: `channel: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `secs_passed` is never read
[INFO] [stdout]   --> src/main.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     secs_passed += delta;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "82a015a0e3810e430506f5fa62c3deccb5474451a622210977e2c666a7cdc32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a015a0e3810e430506f5fa62c3deccb5474451a622210977e2c666a7cdc32b", kill_on_drop: false }`
[INFO] [stdout] 82a015a0e3810e430506f5fa62c3deccb5474451a622210977e2c666a7cdc32b