[INFO] fetching crate c3d-rs 0.1.7...
[INFO] testing c3d-rs-0.1.7 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate c3d-rs 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate c3d-rs 0.1.7
[INFO] finished tweaking crates.io crate c3d-rs 0.1.7
[INFO] tweaked toml for crates.io crate c3d-rs 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate c3d-rs 0.1.7 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval v2.15.0
[INFO] [stderr]   Downloaded sval_fmt v2.15.0
[INFO] [stderr]   Downloaded sval_serde v2.15.0
[INFO] [stderr]   Downloaded sval_ref v2.15.0
[INFO] [stderr]   Downloaded sval_nested v2.15.0
[INFO] [stderr]   Downloaded value-bag-sval2 v1.11.1
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded value-bag-serde1 v1.11.1
[INFO] [stderr]   Downloaded sval_dynamic v2.15.0
[INFO] [stderr]   Downloaded sval_json v2.15.0
[INFO] [stderr]   Downloaded sval_buffer v2.15.0
[INFO] [stderr]   Downloaded femme v2.2.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b402dbfa9476005fc79610ab8185a97139df6a4918e9f1f9fe78cc6962bb10b
[INFO] running `Command { std: "docker" "start" "-a" "3b402dbfa9476005fc79610ab8185a97139df6a4918e9f1f9fe78cc6962bb10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b402dbfa9476005fc79610ab8185a97139df6a4918e9f1f9fe78cc6962bb10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b402dbfa9476005fc79610ab8185a97139df6a4918e9f1f9fe78cc6962bb10b", kill_on_drop: false }`
[INFO] [stdout] 3b402dbfa9476005fc79610ab8185a97139df6a4918e9f1f9fe78cc6962bb10b
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ee4ba3b07c8cd9b5383014abb2f899ac31dc0bcdcc6901d8295ac16f206647
[INFO] running `Command { std: "docker" "start" "-a" "e8ee4ba3b07c8cd9b5383014abb2f899ac31dc0bcdcc6901d8295ac16f206647", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_fmt v1.0.3
[INFO] [stderr]    Compiling value-bag-serde1 v1.11.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling c3d-rs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parameter` is never read
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct C3dReader<'a, R: Read + Seek> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 68 |     header: &'a HeaderBlock,
[INFO] [stdout] 69 |     parameter: &'a ParameterBlock,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name_chars_size`, `id`, `offset`, and `desc_chars_size` are never read
[INFO] [stdout]    --> src/lib.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 609 | pub struct ParameterFormat {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 610 |     // indicates "locked" if value is negative.
[INFO] [stdout] 611 |     name_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 612 |     id: i8,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 613 |     pub name: String,
[INFO] [stdout] 614 |     offset: i16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 |     desc_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParameterFormat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:190:32
[INFO] [stdout]     |
[INFO] [stdout] 190 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:247:33
[INFO] [stdout]     |
[INFO] [stdout] 247 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:250:33
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:493:33
[INFO] [stdout]     |
[INFO] [stdout] 493 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "e8ee4ba3b07c8cd9b5383014abb2f899ac31dc0bcdcc6901d8295ac16f206647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ee4ba3b07c8cd9b5383014abb2f899ac31dc0bcdcc6901d8295ac16f206647", kill_on_drop: false }`
[INFO] [stdout] e8ee4ba3b07c8cd9b5383014abb2f899ac31dc0bcdcc6901d8295ac16f206647
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e5cf6384888c58e27fa0e240dee82ada7f3daa5b8e47b555a7c126f855f35c
[INFO] running `Command { std: "docker" "start" "-a" "71e5cf6384888c58e27fa0e240dee82ada7f3daa5b8e47b555a7c126f855f35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling femme v2.2.1
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parameter` is never read
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct C3dReader<'a, R: Read + Seek> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 68 |     header: &'a HeaderBlock,
[INFO] [stdout] 69 |     parameter: &'a ParameterBlock,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name_chars_size`, `id`, `offset`, and `desc_chars_size` are never read
[INFO] [stdout]    --> src/lib.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 609 | pub struct ParameterFormat {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 610 |     // indicates "locked" if value is negative.
[INFO] [stdout] 611 |     name_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 612 |     id: i8,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 613 |     pub name: String,
[INFO] [stdout] 614 |     offset: i16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 |     desc_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParameterFormat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:190:32
[INFO] [stdout]     |
[INFO] [stdout] 190 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:247:33
[INFO] [stdout]     |
[INFO] [stdout] 247 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:250:33
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:493:33
[INFO] [stdout]     |
[INFO] [stdout] 493 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c3d-rs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `parameter` is never read
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct C3dReader<'a, R: Read + Seek> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 68 |     header: &'a HeaderBlock,
[INFO] [stdout] 69 |     parameter: &'a ParameterBlock,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name_chars_size`, `id`, `offset`, and `desc_chars_size` are never read
[INFO] [stdout]    --> src/lib.rs:611:5
[INFO] [stdout]     |
[INFO] [stdout] 609 | pub struct ParameterFormat {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 610 |     // indicates "locked" if value is negative.
[INFO] [stdout] 611 |     name_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 612 |     id: i8,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 613 |     pub name: String,
[INFO] [stdout] 614 |     offset: i16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 |     desc_chars_size: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParameterFormat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:190:32
[INFO] [stdout]     |
[INFO] [stdout] 190 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:247:33
[INFO] [stdout]     |
[INFO] [stdout] 247 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:250:33
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:487:33
[INFO] [stdout]     |
[INFO] [stdout] 487 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:493:33
[INFO] [stdout]     |
[INFO] [stdout] 493 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "71e5cf6384888c58e27fa0e240dee82ada7f3daa5b8e47b555a7c126f855f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e5cf6384888c58e27fa0e240dee82ada7f3daa5b8e47b555a7c126f855f35c", kill_on_drop: false }`
[INFO] [stdout] 71e5cf6384888c58e27fa0e240dee82ada7f3daa5b8e47b555a7c126f855f35c
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0696a38ee07bcf8c18dab57121d63b2e7a41d14302010ca94f19f7bd54011e06
[INFO] running `Command { std: "docker" "start" "-a" "0696a38ee07bcf8c18dab57121d63b2e7a41d14302010ca94f19f7bd54011e06", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `parameter` is never read
[INFO] [stderr]   --> src/lib.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub struct C3dReader<'a, R: Read + Seek> {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 68 |     header: &'a HeaderBlock,
[INFO] [stderr] 69 |     parameter: &'a ParameterBlock,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name_chars_size`, `id`, `offset`, and `desc_chars_size` are never read
[INFO] [stderr]    --> src/lib.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 609 | pub struct ParameterFormat {
[INFO] [stderr]     |            --------------- fields in this struct
[INFO] [stderr] 610 |     // indicates "locked" if value is negative.
[INFO] [stderr] 611 |     name_chars_size: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 612 |     id: i8,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 613 |     pub name: String,
[INFO] [stderr] 614 |     offset: i16,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 619 |     desc_chars_size: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParameterFormat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 | ...                   arr.clone().read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:250:33
[INFO] [stderr]     |
[INFO] [stderr] 250 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:487:33
[INFO] [stderr]     |
[INFO] [stderr] 487 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&mut &[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/lib.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 | ...                   (arr.clone()).read_exact(&mut buf).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `c3d-rs` (lib) generated 10 warnings (run `cargo fix --lib -p c3d-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `c3d-rs` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c3d_rs-c91bec332e224b44)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_parser ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_parser stdout ----
[INFO] [stdout] Error: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:2079:27
[INFO] [stdout]    2: c3d_rs::tests::test_parser
[INFO] [stdout]              at ./src/lib.rs:710:24
[INFO] [stdout]    3: c3d_rs::tests::test_parser::{{closure}}
[INFO] [stdout]              at ./src/lib.rs:707:25
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    6: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]    7: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   10: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   11: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: test::run_test_in_process
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   13: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   14: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   15: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   17: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   18: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   19: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   20: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   21: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   22: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   25: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   26: <unknown>
[INFO] [stdout]   27: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_parser
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0696a38ee07bcf8c18dab57121d63b2e7a41d14302010ca94f19f7bd54011e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0696a38ee07bcf8c18dab57121d63b2e7a41d14302010ca94f19f7bd54011e06", kill_on_drop: false }`
[INFO] [stdout] 0696a38ee07bcf8c18dab57121d63b2e7a41d14302010ca94f19f7bd54011e06
