[INFO] cloning repository https://github.com/lukeweston1234/terminal-sampler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeweston1234/terminal-sampler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Fterminal-sampler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeweston1234%2Fterminal-sampler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2b058e0d99803eca95494f103cd4b9aa0983672 [INFO] building lukeweston1234/terminal-sampler 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%2Flukeweston1234%2Fterminal-sampler" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lukeweston1234/terminal-sampler 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/lukeweston1234/terminal-sampler [INFO] finished tweaking git repo https://github.com/lukeweston1234/terminal-sampler [INFO] tweaked toml for git repo https://github.com/lukeweston1234/terminal-sampler written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lukeweston1234/terminal-sampler 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 40f85474f8eb1a16025b365e90a41d1f7dbe13ec7bf25d722335be758d8368d0 [INFO] running `Command { std: "docker" "start" "-a" "40f85474f8eb1a16025b365e90a41d1f7dbe13ec7bf25d722335be758d8368d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40f85474f8eb1a16025b365e90a41d1f7dbe13ec7bf25d722335be758d8368d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f85474f8eb1a16025b365e90a41d1f7dbe13ec7bf25d722335be758d8368d0", kill_on_drop: false }` [INFO] [stdout] 40f85474f8eb1a16025b365e90a41d1f7dbe13ec7bf25d722335be758d8368d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 457bde64dc836267c623ad9a4b2f9bb1f7d244f780936dc9a36e861d4608006f [INFO] running `Command { std: "docker" "start" "-a" "457bde64dc836267c623ad9a4b2f9bb1f7d244f780936dc9a36e861d4608006f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.13 [INFO] [stderr] Compiling crossbeam-queue v0.3.11 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling midi-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/clock.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | Tick(Instant), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClockMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Tick(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Start` and `Stopped` are never constructed [INFO] [stdout] --> src/clock.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ClockMessage { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 7 | Start, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | Tick(Instant), [INFO] [stdout] 9 | Stopped, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClockMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `ChangeBPM` and `Stop` are never constructed [INFO] [stdout] --> src/clock.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum ClockCommand { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 14 | Start, [INFO] [stdout] 15 | ChangeBPM(f64), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 16 | AddSender(Sender), [INFO] [stdout] 17 | Stop [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClockCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `stop` and `set_bpm` are never used [INFO] [stdout] --> src/clock.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ClockController { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn stop(&self){ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn set_bpm(&self, bpm: f64){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/clock.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | sender.send(msg.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = sender.send(msg.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s [INFO] running `Command { std: "docker" "inspect" "457bde64dc836267c623ad9a4b2f9bb1f7d244f780936dc9a36e861d4608006f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "457bde64dc836267c623ad9a4b2f9bb1f7d244f780936dc9a36e861d4608006f", kill_on_drop: false }` [INFO] [stdout] 457bde64dc836267c623ad9a4b2f9bb1f7d244f780936dc9a36e861d4608006f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a3e07e5c5cef854a044b3de7ae8e878848f5aab3d9fd641ce913c5bf5a7bf09b [INFO] running `Command { std: "docker" "start" "-a" "a3e07e5c5cef854a044b3de7ae8e878848f5aab3d9fd641ce913c5bf5a7bf09b", kill_on_drop: false }` [INFO] [stderr] Compiling midi-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/clock.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | Tick(Instant), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClockMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Tick(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Start` and `Stopped` are never constructed [INFO] [stdout] --> src/clock.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ClockMessage { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 7 | Start, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | Tick(Instant), [INFO] [stdout] 9 | Stopped, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClockMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `ChangeBPM` and `Stop` are never constructed [INFO] [stdout] --> src/clock.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum ClockCommand { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 14 | Start, [INFO] [stdout] 15 | ChangeBPM(f64), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 16 | AddSender(Sender), [INFO] [stdout] 17 | Stop [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClockCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `stop` and `set_bpm` are never used [INFO] [stdout] --> src/clock.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ClockController { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn stop(&self){ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn set_bpm(&self, bpm: f64){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/clock.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | sender.send(msg.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = sender.send(msg.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "a3e07e5c5cef854a044b3de7ae8e878848f5aab3d9fd641ce913c5bf5a7bf09b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3e07e5c5cef854a044b3de7ae8e878848f5aab3d9fd641ce913c5bf5a7bf09b", kill_on_drop: false }` [INFO] [stdout] a3e07e5c5cef854a044b3de7ae8e878848f5aab3d9fd641ce913c5bf5a7bf09b