[INFO] fetching crate e_midi_shared 0.1.4...
[INFO] checking e_midi_shared-0.1.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate e_midi_shared 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate e_midi_shared 0.1.4
[INFO] finished tweaking crates.io crate e_midi_shared 0.1.4
[INFO] tweaked toml for crates.io crate e_midi_shared 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate e_midi_shared 0.1.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate e_midi_shared 0.1.4 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] abd2cffcab5f3eee1b298a7354d988ca413faedd5b015d6f94c202e457a28a4f
[INFO] running `Command { std: "docker" "start" "-a" "abd2cffcab5f3eee1b298a7354d988ca413faedd5b015d6f94c202e457a28a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd2cffcab5f3eee1b298a7354d988ca413faedd5b015d6f94c202e457a28a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd2cffcab5f3eee1b298a7354d988ca413faedd5b015d6f94c202e457a28a4f", kill_on_drop: false }`
[INFO] [stdout] abd2cffcab5f3eee1b298a7354d988ca413faedd5b015d6f94c202e457a28a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980dbab6e41831d1898ee93edeba4cf1baf469cbba8ce206513a7bad0fb7f9b8
[INFO] running `Command { std: "docker" "start" "-a" "980dbab6e41831d1898ee93edeba4cf1baf469cbba8ce206513a7bad0fb7f9b8", kill_on_drop: false }`
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[INFO] [stderr]     Checking e_midi_shared v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::types::*`
[INFO] [stdout]  --> src/ipc/events.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::types::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/ipc/music_sync_publisher.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/ipc/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use crate::ipc::events::IpcEventSender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `IpcEventSender` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/ipc/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use events::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/ipc/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use crate::ipc::events::IpcEventSender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::types::*`
[INFO] [stdout]  --> src/ipc/events.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::types::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/ipc/music_sync_publisher.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/ipc/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use crate::ipc::events::IpcEventSender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `IpcEventSender` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/ipc/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use events::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/ipc/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use crate::ipc::events::IpcEventSender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event_buffer` is never read
[INFO] [stdout]   --> src/ipc/subscriber.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct EventSubscriber {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     event_buffer: VecDeque<Event>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventSubscriber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event_buffer` is never read
[INFO] [stdout]   --> src/ipc/subscriber.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct EventSubscriber {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     event_buffer: VecDeque<Event>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventSubscriber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.30s
[INFO] running `Command { std: "docker" "inspect" "980dbab6e41831d1898ee93edeba4cf1baf469cbba8ce206513a7bad0fb7f9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980dbab6e41831d1898ee93edeba4cf1baf469cbba8ce206513a7bad0fb7f9b8", kill_on_drop: false }`
[INFO] [stdout] 980dbab6e41831d1898ee93edeba4cf1baf469cbba8ce206513a7bad0fb7f9b8