[INFO] fetching crate wmidi 4.0.8...
[INFO] checking wmidi-4.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate wmidi 4.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate wmidi 4.0.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wmidi 4.0.8
[INFO] finished tweaking crates.io crate wmidi 4.0.8
[INFO] tweaked toml for crates.io crate wmidi 4.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76a0d9ef2784b82a48b467446594b548002ce68bc8a42990e2a079dd6218eef
[INFO] running `Command { std: "docker" "start" "-a" "c76a0d9ef2784b82a48b467446594b548002ce68bc8a42990e2a079dd6218eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76a0d9ef2784b82a48b467446594b548002ce68bc8a42990e2a079dd6218eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76a0d9ef2784b82a48b467446594b548002ce68bc8a42990e2a079dd6218eef", kill_on_drop: false }`
[INFO] [stdout] c76a0d9ef2784b82a48b467446594b548002ce68bc8a42990e2a079dd6218eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b44b5a34c079976cf9d73c1d4f2f959a062519d44603f12fa03d19e00a03230
[INFO] running `Command { std: "docker" "start" "-a" "4b44b5a34c079976cf9d73c1d4f2f959a062519d44603f12fa03d19e00a03230", kill_on_drop: false }`
[INFO] [stderr]     Checking wmidi v4.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `U7` is imported redundantly
[INFO] [stdout]    --> src/cc.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     use super::*;
[INFO] [stdout]     |         -------- the item `U7` is already imported here
[INFO] [stdout] 395 |     use crate::U7;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ControlFunction` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:17
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `ControlFunction` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:34
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `Error` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Note` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `Note` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4b44b5a34c079976cf9d73c1d4f2f959a062519d44603f12fa03d19e00a03230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b44b5a34c079976cf9d73c1d4f2f959a062519d44603f12fa03d19e00a03230", kill_on_drop: false }`
[INFO] [stdout] 4b44b5a34c079976cf9d73c1d4f2f959a062519d44603f12fa03d19e00a03230
[INFO] checking wmidi-4.0.8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate wmidi 4.0.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate wmidi 4.0.8 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wmidi 4.0.8
[INFO] finished tweaking crates.io crate wmidi 4.0.8
[INFO] tweaked toml for crates.io crate wmidi 4.0.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3f406acef515e1819ee754ba919e684170be0c013ad30e8e8d3689d9b53e79b
[INFO] running `Command { std: "docker" "start" "-a" "c3f406acef515e1819ee754ba919e684170be0c013ad30e8e8d3689d9b53e79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f406acef515e1819ee754ba919e684170be0c013ad30e8e8d3689d9b53e79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f406acef515e1819ee754ba919e684170be0c013ad30e8e8d3689d9b53e79b", kill_on_drop: false }`
[INFO] [stdout] c3f406acef515e1819ee754ba919e684170be0c013ad30e8e8d3689d9b53e79b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef53b541b9a38be79831c9e6162c8e98a95fd2bbe1c2328e05b0aeded81fe7e6
[INFO] running `Command { std: "docker" "start" "-a" "ef53b541b9a38be79831c9e6162c8e98a95fd2bbe1c2328e05b0aeded81fe7e6", kill_on_drop: false }`
[INFO] [stderr]     Checking wmidi v4.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `U7` is imported redundantly
[INFO] [stdout]    --> src/cc.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     use super::*;
[INFO] [stdout]     |         -------- the item `U7` is already imported here
[INFO] [stdout] 395 |     use crate::U7;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ControlFunction` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:17
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `ControlFunction` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:34
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `Error` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Note` is imported redundantly
[INFO] [stdout]    --> src/midi_message.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 498 |     use super::*;
[INFO] [stdout]     |         -------- the item `Note` is already imported here
[INFO] [stdout] 499 |     use crate::{ControlFunction, Error, Note};
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ef53b541b9a38be79831c9e6162c8e98a95fd2bbe1c2328e05b0aeded81fe7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef53b541b9a38be79831c9e6162c8e98a95fd2bbe1c2328e05b0aeded81fe7e6", kill_on_drop: false }`
[INFO] [stdout] ef53b541b9a38be79831c9e6162c8e98a95fd2bbe1c2328e05b0aeded81fe7e6