[INFO] fetching crate wav_reader 0.1.3...
[INFO] building wav_reader-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wav_reader 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wav_reader 0.1.3
[INFO] finished tweaking crates.io crate wav_reader 0.1.3
[INFO] tweaked toml for crates.io crate wav_reader 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wav_reader 0.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a94a619c9bed62e1ca3ac5597bb7cbedef63aeddf3d5fa8d5f59c5a51241667
[INFO] running `Command { std: "docker" "start" "-a" "6a94a619c9bed62e1ca3ac5597bb7cbedef63aeddf3d5fa8d5f59c5a51241667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a94a619c9bed62e1ca3ac5597bb7cbedef63aeddf3d5fa8d5f59c5a51241667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a94a619c9bed62e1ca3ac5597bb7cbedef63aeddf3d5fa8d5f59c5a51241667", kill_on_drop: false }`
[INFO] [stdout] 6a94a619c9bed62e1ca3ac5597bb7cbedef63aeddf3d5fa8d5f59c5a51241667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5da54785d90a902b827760e11f5646000a9fd34b4c0534766fdd8cdf879257e4
[INFO] running `Command { std: "docker" "start" "-a" "5da54785d90a902b827760e11f5646000a9fd34b4c0534766fdd8cdf879257e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling wav_reader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `origoffs`
[INFO] [stdout]    --> src/lib.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |                                 let origoffs = id3_data_offs.clone();
[INFO] [stdout]     |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origoffs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let _size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `TXXX`
[INFO] [stdout]     |
[INFO] [stdout] 250 -                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout] 250 +                                 let TXXX = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsizebuf`
[INFO] [stdout]    --> src/lib.rs:508:7
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let fsizebuf = (data.len() as u32).to_be_bytes();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsizebuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:481:6
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut a = a2.info.clone();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFO_ID` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INFO_ID: u32 = 0x494E464F;
[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 `ICMS` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ICMS: u32 = 0x49434D53;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5da54785d90a902b827760e11f5646000a9fd34b4c0534766fdd8cdf879257e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da54785d90a902b827760e11f5646000a9fd34b4c0534766fdd8cdf879257e4", kill_on_drop: false }`
[INFO] [stdout] 5da54785d90a902b827760e11f5646000a9fd34b4c0534766fdd8cdf879257e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850176a04295c97c35decf50a08ed3071c156ccaa667aef3183831e8a837675c
[INFO] running `Command { std: "docker" "start" "-a" "850176a04295c97c35decf50a08ed3071c156ccaa667aef3183831e8a837675c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `origoffs`
[INFO] [stdout]    --> src/lib.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |                                 let origoffs = id3_data_offs.clone();
[INFO] [stdout]     |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origoffs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wav_reader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let _size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `TXXX`
[INFO] [stdout]     |
[INFO] [stdout] 250 -                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout] 250 +                                 let TXXX = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsizebuf`
[INFO] [stdout]    --> src/lib.rs:508:7
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let fsizebuf = (data.len() as u32).to_be_bytes();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsizebuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:481:6
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut a = a2.info.clone();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFO_ID` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INFO_ID: u32 = 0x494E464F;
[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 `ICMS` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ICMS: u32 = 0x49434D53;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsizebuf`
[INFO] [stdout]    --> src/lib.rs:508:7
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let fsizebuf = (data.len() as u32).to_be_bytes();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsizebuf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origoffs`
[INFO] [stdout]    --> src/lib.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |                                 let origoffs = id3_data_offs.clone();
[INFO] [stdout]     |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_origoffs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 250 |                                 let _size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |                                     +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `TXXX`
[INFO] [stdout]     |
[INFO] [stdout] 250 -                                 let size = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout] 250 +                                 let TXXX = u32::from_be_bytes(four_byte_slice(&buf[id3_data_offs + 1..id3_data_offs + 5]));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:481:6
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut a = a2.info.clone();
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFO_ID` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INFO_ID: u32 = 0x494E464F;
[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 `ICMS` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ICMS: u32 = 0x49434D53;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "850176a04295c97c35decf50a08ed3071c156ccaa667aef3183831e8a837675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850176a04295c97c35decf50a08ed3071c156ccaa667aef3183831e8a837675c", kill_on_drop: false }`
[INFO] [stdout] 850176a04295c97c35decf50a08ed3071c156ccaa667aef3183831e8a837675c