[INFO] fetching crate drumatech 0.1.9...
[INFO] testing drumatech-0.1.9 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate drumatech 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate drumatech 0.1.9
[INFO] finished tweaking crates.io crate drumatech 0.1.9
[INFO] tweaked toml for crates.io crate drumatech 0.1.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate drumatech 0.1.9 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 19 packages to latest compatible versions
[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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c038e4127b59bac88ace2f127a67771a58dc9ab4760944cbc4cdb51517f242
[INFO] running `Command { std: "docker" "start" "-a" "e7c038e4127b59bac88ace2f127a67771a58dc9ab4760944cbc4cdb51517f242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c038e4127b59bac88ace2f127a67771a58dc9ab4760944cbc4cdb51517f242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c038e4127b59bac88ace2f127a67771a58dc9ab4760944cbc4cdb51517f242", kill_on_drop: false }`
[INFO] [stdout] e7c038e4127b59bac88ace2f127a67771a58dc9ab4760944cbc4cdb51517f242
[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 -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] 8aa25e35f127166b881dea13201451fb20f3432a490a1673a02eec68e10e16fe
[INFO] running `Command { std: "docker" "start" "-a" "8aa25e35f127166b881dea13201451fb20f3432a490a1673a02eec68e10e16fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling drumatech v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fileu.rs:10:59
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<std::error::Error>> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/structure.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structure.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.26s
[INFO] running `Command { std: "docker" "inspect" "8aa25e35f127166b881dea13201451fb20f3432a490a1673a02eec68e10e16fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa25e35f127166b881dea13201451fb20f3432a490a1673a02eec68e10e16fe", kill_on_drop: false }`
[INFO] [stdout] 8aa25e35f127166b881dea13201451fb20f3432a490a1673a02eec68e10e16fe
[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 -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] 0d56f815cf306314859fc00b0386e54b607cdff9973b525704cfcbb611490842
[INFO] running `Command { std: "docker" "start" "-a" "0d56f815cf306314859fc00b0386e54b607cdff9973b525704cfcbb611490842", kill_on_drop: false }`
[INFO] [stderr]    Compiling drumatech v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fileu.rs:10:59
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<std::error::Error>> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/structure.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structure.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fileu.rs:10:59
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<std::error::Error>> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/structure.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structure.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut idx: usize = self.size;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/structure.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 |         if 0 > index || self.size < index {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0d56f815cf306314859fc00b0386e54b607cdff9973b525704cfcbb611490842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d56f815cf306314859fc00b0386e54b607cdff9973b525704cfcbb611490842", kill_on_drop: false }`
[INFO] [stdout] 0d56f815cf306314859fc00b0386e54b607cdff9973b525704cfcbb611490842
[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 -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] c53cbc6dcb05a553bdd583ca9aac8904b51f6bf08c7dfdd20f23f6388267c3f4
[INFO] running `Command { std: "docker" "start" "-a" "c53cbc6dcb05a553bdd583ca9aac8904b51f6bf08c7dfdd20f23f6388267c3f4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fileu.rs:10:59
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn filepath_to_content(s: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stderr]    |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/structure.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let mut idx: usize = self.size;
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structure.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let mut idx: usize = self.size;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structure.rs:141:12
[INFO] [stderr]     |
[INFO] [stderr] 141 |         if 0 > index || self.size < index {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structure.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if 0 > index || self.size < index {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structure.rs:271:12
[INFO] [stderr]     |
[INFO] [stderr] 271 |         if 0 > index || self.size < index {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structure.rs:288:12
[INFO] [stderr]     |
[INFO] [stderr] 288 |         if 0 > index || self.size < index {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `drumatech` (lib) generated 7 warnings (run `cargo fix --lib -p drumatech` to apply 2 suggestions)
[INFO] [stderr] warning: `drumatech` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/drumatech-9d79ceb63c5f6116)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests drumatech
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/conv.rs - conv::get (line 52) ... FAILED
[INFO] [stdout] test src/fileu.rs - fileu::filepath_to_content (line 5) ... ok
[INFO] [stdout] test src/conv.rs - conv::u8_to_string (line 23) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayStack<T>::set (line 150) ... ok
[INFO] [stdout] test src/conv.rs - conv::open_box (line 39) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayStack<T>::resize (line 203) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayStack<T>::add (line 173) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayStack<T>::remove (line 225) ... ok
[INFO] [stdout] test src/structure.rs - structure::FastArrayStack<T>::remove (line 362) ... ok
[INFO] [stdout] test src/structure.rs - structure::FastArrayStack<T>::get (line 263) ... ok
[INFO] [stdout] test src/fileu.rs - fileu::content_or_raw (line 23) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayStack<T>::get (line 133) ... ok
[INFO] [stdout] test src/conv.rs - conv::u8_give_string (line 5) ... ok
[INFO] [stdout] test src/structure.rs - structure::ArrayQueue<T>::remove (line 437) ... FAILED
[INFO] [stdout] test src/structure.rs - structure::ArrayQueue<T>::add (line 416) ... ok
[INFO] [stdout] test src/structure.rs - structure::FastArrayStack<T>::add (line 303) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::allocate (line 28) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::top (line 77) ... ok
[INFO] [stdout] test src/structure.rs - structure::FastArrayStack<T>::resize (line 340) ... ok
[INFO] [stdout] test src/structure.rs - structure::FastArrayStack<T>::set (line 280) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::base (line 98) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::push (line 43) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::new (line 12) ... ok
[INFO] [stdout] test src/structure.rs - structure::Stack<T>::pop (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/conv.rs - conv::get (line 52) stdout ----
[INFO] [stdout] error: expected one of `->`, `where`, or `{`, found `}`
[INFO] [stdout]  --> src/conv.rs:57:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get<T>(v:Vec<>)
[INFO] [stdout]   |        ---            - expected one of `->`, `where`, or `{`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        while parsing this `fn`
[INFO] [stdout] 7 | } _doctest_main_src_conv_rs_52_0() }
[INFO] [stdout]   | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/conv.rs:56:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get<T>(v:Vec<>)
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^- help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes at least 1 generic argument but 0 generic arguments were supplied
[INFO] [stdout]  --> src/conv.rs:56:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get<T>(v:Vec<>)
[INFO] [stdout]   |                 ^^^ expected at least 1 generic argument
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get<T>(v:Vec<T>)
[INFO] [stdout]   |                     +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/structure.rs - structure::ArrayQueue<T>::remove (line 437) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/structure.rs:9:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59bb3637b6b2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59bb3637b6b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59bb3637b6b2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59bb3637b6b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59bb36396f63 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59bb36396f63 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x59bb363793d3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59bb363793d3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59bb3637b502 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59bb3637c576 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x59bb3637c379 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x59bb3637ce42 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x59bb3637ccda - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x59bb3637bba9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x59bb3637c96d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x59bb36396410 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x59bb363966df - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   17:     0x59bb36396601 - core::panicking::assert_failed::h24b207bf351b573a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   18:     0x59bb3635ad02 - rust_out::main::_doctest_main_src_structure_rs_437_0::h6b7574a942a80671
[INFO] [stdout]   19:     0x59bb3635aaf6 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   20:     0x59bb36359a53 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   21:     0x59bb36359996 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   22:     0x59bb36359979 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   23:     0x59bb363772f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   24:     0x59bb363772f0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x59bb363772f0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x59bb363772f0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x59bb363772f0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x59bb363772f0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x59bb363772f0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x59bb363772f0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59bb363772f0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x59bb36359961 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   33:     0x59bb3635ad45 - main
[INFO] [stdout]   34:     0x759ca677a1ca - <unknown>
[INFO] [stdout]   35:     0x759ca677a28b - __libc_start_main
[INFO] [stdout]   36:     0x59bb36359875 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/conv.rs - conv::get (line 52)
[INFO] [stdout]     src/structure.rs - structure::ArrayQueue<T>::remove (line 437)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c53cbc6dcb05a553bdd583ca9aac8904b51f6bf08c7dfdd20f23f6388267c3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53cbc6dcb05a553bdd583ca9aac8904b51f6bf08c7dfdd20f23f6388267c3f4", kill_on_drop: false }`
[INFO] [stdout] c53cbc6dcb05a553bdd583ca9aac8904b51f6bf08c7dfdd20f23f6388267c3f4
