[INFO] cloning repository https://github.com/ElectricCoffee/midi_project [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElectricCoffee/midi_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmidi_project", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmidi_project'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f26813d4c770ce45174e58e2ecc80ab924c817fe [INFO] checking ElectricCoffee/midi_project against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmidi_project" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ElectricCoffee/midi_project on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ElectricCoffee/midi_project [INFO] finished tweaking git repo https://github.com/ElectricCoffee/midi_project [INFO] tweaked toml for git repo https://github.com/ElectricCoffee/midi_project written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ElectricCoffee/midi_project already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 573f887367b2a783dfd323d1de53f4fdddd1ba7ee6a964a946f203136e1fef6c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "573f887367b2a783dfd323d1de53f4fdddd1ba7ee6a964a946f203136e1fef6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "573f887367b2a783dfd323d1de53f4fdddd1ba7ee6a964a946f203136e1fef6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573f887367b2a783dfd323d1de53f4fdddd1ba7ee6a964a946f203136e1fef6c", kill_on_drop: false }` [INFO] [stdout] 573f887367b2a783dfd323d1de53f4fdddd1ba7ee6a964a946f203136e1fef6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5c2e49e7cc09319b20096b4764213ff963165cecfe8adb87b34bbd22744faf2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d5c2e49e7cc09319b20096b4764213ff963165cecfe8adb87b34bbd22744faf2", kill_on_drop: false }` [INFO] [stderr] Checking midi_project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:15:32 [INFO] [stdout] | [INFO] [stdout] 15 | fn clone_box(&self) -> Box; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn clone_box(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | impl Clone for Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn clone(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:156:23 [INFO] [stdout] | [INFO] [stdout] 156 | elements: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:185:23 [INFO] [stdout] | [INFO] [stdout] 185 | elements: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:15:32 [INFO] [stdout] | [INFO] [stdout] 15 | fn clone_box(&self) -> Box; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn clone_box(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | impl Clone for Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn clone(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:156:23 [INFO] [stdout] | [INFO] [stdout] 156 | elements: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:185:23 [INFO] [stdout] | [INFO] [stdout] 185 | elements: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "d5c2e49e7cc09319b20096b4764213ff963165cecfe8adb87b34bbd22744faf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5c2e49e7cc09319b20096b4764213ff963165cecfe8adb87b34bbd22744faf2", kill_on_drop: false }` [INFO] [stdout] d5c2e49e7cc09319b20096b4764213ff963165cecfe8adb87b34bbd22744faf2