[INFO] fetching crate asciimusic 0.1.3...
[INFO] checking asciimusic-0.1.3 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate asciimusic 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate asciimusic 0.1.3 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asciimusic 0.1.3
[INFO] finished tweaking crates.io crate asciimusic 0.1.3
[INFO] tweaked toml for crates.io crate asciimusic 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate asciimusic 0.1.3 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d185566e2ee88c6692a2f9f7f572afbb07625e42d28b0b7fc2f0cfd7c23498e0
[INFO] running `Command { std: "docker" "start" "-a" "d185566e2ee88c6692a2f9f7f572afbb07625e42d28b0b7fc2f0cfd7c23498e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d185566e2ee88c6692a2f9f7f572afbb07625e42d28b0b7fc2f0cfd7c23498e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d185566e2ee88c6692a2f9f7f572afbb07625e42d28b0b7fc2f0cfd7c23498e0", kill_on_drop: false }`
[INFO] [stdout] d185566e2ee88c6692a2f9f7f572afbb07625e42d28b0b7fc2f0cfd7c23498e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e920f3d1c20e80484eadaf6ce9723c756260c1d178a7e0bcec89c600cb3ec0
[INFO] running `Command { std: "docker" "start" "-a" "b6e920f3d1c20e80484eadaf6ce9723c756260c1d178a7e0bcec89c600cb3ec0", kill_on_drop: false }`
[INFO] [stderr]     Checking asciimusic v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/song.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match Instrument::from_id(instrument_id) {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match <dyn Instrument>::from_id(instrument_id) {
[INFO] [stdout]     |                                    ++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/song.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match Instrument::from_id(instrument_id) {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match <dyn Instrument>::from_id(instrument_id) {
[INFO] [stdout]     |                                    ++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b6e920f3d1c20e80484eadaf6ce9723c756260c1d178a7e0bcec89c600cb3ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e920f3d1c20e80484eadaf6ce9723c756260c1d178a7e0bcec89c600cb3ec0", kill_on_drop: false }`
[INFO] [stdout] b6e920f3d1c20e80484eadaf6ce9723c756260c1d178a7e0bcec89c600cb3ec0
