[INFO] cloning repository https://github.com/whiterasbk/rust-mider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whiterasbk/rust-mider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiterasbk%2Frust-mider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiterasbk%2Frust-mider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 890bb6f5ebd15b7802bdd29ac8d7024170cf6d6d
[INFO] testing whiterasbk/rust-mider against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiterasbk%2Frust-mider" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/whiterasbk/rust-mider
[INFO] finished tweaking git repo https://github.com/whiterasbk/rust-mider
[INFO] tweaked toml for git repo https://github.com/whiterasbk/rust-mider written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whiterasbk/rust-mider on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whiterasbk/rust-mider 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57277a7d5d327dcf99a78eb47bb5c52ed80d673e5c75b53e63f65f14793a0e1f
[INFO] running `Command { std: "docker" "start" "-a" "57277a7d5d327dcf99a78eb47bb5c52ed80d673e5c75b53e63f65f14793a0e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57277a7d5d327dcf99a78eb47bb5c52ed80d673e5c75b53e63f65f14793a0e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57277a7d5d327dcf99a78eb47bb5c52ed80d673e5c75b53e63f65f14793a0e1f", kill_on_drop: false }`
[INFO] [stdout] 57277a7d5d327dcf99a78eb47bb5c52ed80d673e5c75b53e63f65f14793a0e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dbca81a59b1157782d674400b9d4251c9fb76929828da6a354d7ce3e1316c23
[INFO] running `Command { std: "docker" "start" "-a" "5dbca81a59b1157782d674400b9d4251c9fb76929828da6a354d7ce3e1316c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-mider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `byte` should have an upper camel case name
[INFO] [stdout]  --> src/midi/constance/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) type byte = u8;
[INFO] [stdout]   |                 ^^^^ help: convert the identifier to upper camel case: `Byte`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u32`
[INFO] [stdout]   --> src/midi/file.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |             bytes[pointer];
[INFO] [stdout]    |                   ^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[u8]>` is not implemented for `u32`
[INFO] [stdout]    = help: the following other types implement trait `SliceIndex<T>`:
[INFO] [stdout]              `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]              `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]    = note: required for `Vec<u8>` to implement `Index<u32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0606]: casting `&usize` as `u32` is invalid
[INFO] [stdout]   --> src/midi/file.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |             if pointer > &bytes.len() as u32 {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unneeded borrow
[INFO] [stdout]    |
[INFO] [stdout] 80 -             if pointer > &bytes.len() as u32 {
[INFO] [stdout] 80 +             if pointer > bytes.len() as u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/midi/file.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let capacity = 4 + 4 + seclen;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u0`
[INFO] [stdout]   --> src/midi/util/array.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let u0 = 0u8;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_u0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0606.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-mider` (bin "rust-mider") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5dbca81a59b1157782d674400b9d4251c9fb76929828da6a354d7ce3e1316c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbca81a59b1157782d674400b9d4251c9fb76929828da6a354d7ce3e1316c23", kill_on_drop: false }`
[INFO] [stdout] 5dbca81a59b1157782d674400b9d4251c9fb76929828da6a354d7ce3e1316c23