[INFO] fetching crate truncrate 0.1.3...
[INFO] linting truncrate-0.1.3 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate truncrate 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate truncrate 0.1.3
[INFO] finished tweaking crates.io crate truncrate 0.1.3
[INFO] tweaked toml for crates.io crate truncrate 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate truncrate 0.1.3 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "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" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f93ebe0f1b419c52653b890b62c9a000ee11ea098c768ba26ab743d0e76feb6
[INFO] running `Command { std: "docker" "start" "-a" "6f93ebe0f1b419c52653b890b62c9a000ee11ea098c768ba26ab743d0e76feb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f93ebe0f1b419c52653b890b62c9a000ee11ea098c768ba26ab743d0e76feb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f93ebe0f1b419c52653b890b62c9a000ee11ea098c768ba26ab743d0e76feb6", kill_on_drop: false }`
[INFO] [stdout] 6f93ebe0f1b419c52653b890b62c9a000ee11ea098c768ba26ab743d0e76feb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5253185d4a9fe7df965d8b915a60945411b1ac24fb4e2b0ca4d4171fbc73472b
[INFO] running `Command { std: "docker" "start" "-a" "5253185d4a9fe7df965d8b915a60945411b1ac24fb4e2b0ca4d4171fbc73472b", kill_on_drop: false }`
[INFO] [stderr]     Checking truncrate v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lib.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return &self
[INFO] [stdout]    |                    ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         &self[..bytecount].trim_end()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self[..bytecount].trim_end()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |             return (&self, self.len())
[INFO] [stdout]     |                     ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |         (&self[..bytecount].trim_end(), bytecount)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self[..bytecount].trim_end()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |             else if !(head.trim().as_bytes() == b"") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(head.trim().as_bytes() != b"")`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     offset = offset+b;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: replace it with: `offset += b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             offset = offset+byteoffset;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += byteoffset`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]    --> src/lib.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 | /     list.iter().
[INFO] [stdout] 292 | |     filter(|&&x| x.trim().as_bytes() != b"")
[INFO] [stdout] 293 | |     .map(|x| *x)
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]     = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] help: consider calling the dedicated `copied` method
[INFO] [stdout]     |
[INFO] [stdout] 291 ~     list.iter().
[INFO] [stdout] 292 +     filter(|&&x| x.trim().as_bytes() != b"").copied()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lib.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return &self
[INFO] [stdout]    |                    ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         &self[..bytecount].trim_end()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self[..bytecount].trim_end()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |             return (&self, self.len())
[INFO] [stdout]     |                     ^^^^^ help: change this to: `self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |         (&self[..bytecount].trim_end(), bytecount)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self[..bytecount].trim_end()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |             else if !(head.trim().as_bytes() == b"") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(head.trim().as_bytes() != b"")`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     offset = offset+b;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: replace it with: `offset += b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             offset = offset+byteoffset;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += byteoffset`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]    --> src/lib.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 | /     list.iter().
[INFO] [stdout] 292 | |     filter(|&&x| x.trim().as_bytes() != b"")
[INFO] [stdout] 293 | |     .map(|x| *x)
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]     = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] help: consider calling the dedicated `copied` method
[INFO] [stdout]     |
[INFO] [stdout] 291 ~     list.iter().
[INFO] [stdout] 292 +     filter(|&&x| x.trim().as_bytes() != b"").copied()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5253185d4a9fe7df965d8b915a60945411b1ac24fb4e2b0ca4d4171fbc73472b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5253185d4a9fe7df965d8b915a60945411b1ac24fb4e2b0ca4d4171fbc73472b", kill_on_drop: false }`
[INFO] [stdout] 5253185d4a9fe7df965d8b915a60945411b1ac24fb4e2b0ca4d4171fbc73472b