[INFO] fetching crate lebe 0.5.3...
[INFO] checking lebe-0.5.3 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate lebe 0.5.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lebe 0.5.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lebe 0.5.3
[INFO] tweaked toml for crates.io crate lebe 0.5.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lebe 0.5.3 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lebe 0.5.3 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73
[INFO] running `Command { std: "docker" "start" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking lebe v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> tests/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> tests/tests.rs:122:48
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let a = u16::read_from_big_endian(&mut read.clone()).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let b: u16 = read.clone().read_from_big_endian().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 `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let c = read.clone().read_u16::<BigEndian>().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> tests/tests.rs:133:51
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let a = u16::read_from_little_endian(&mut read.clone()).unwrap();
[INFO] [stdout]     |                                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let b: u16 = read.clone().read_from_little_endian().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let c = read.clone().read_u16::<LittleEndian>().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> tests/tests.rs:144:51
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let a = f32::read_from_little_endian(&mut read.clone()).unwrap();
[INFO] [stdout]     |                                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let b: f32 = read.clone().read_from_little_endian().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> tests/tests.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let c = read.clone().read_f32::<LittleEndian>().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COUNT_16` is never used
[INFO] [stdout]   --> benches/benches.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const COUNT_16: usize = COUNT_8 / 2;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COUNT_64` is never used
[INFO] [stdout]   --> benches/benches.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const COUNT_64: usize = COUNT_8 / 8;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73", kill_on_drop: false }`
[INFO] [stdout] 575e92955ae101e512d082b495bab4b5301b4cb2974b254dd0b8a0e40e7b7d73
