[INFO] fetching crate ittech 0.3.0...
[INFO] testing ittech-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ittech 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ittech 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ittech 0.3.0
[INFO] finished tweaking crates.io crate ittech 0.3.0
[INFO] tweaked toml for crates.io crate ittech 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ittech 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c2049337535c0ea6901e094f7cb4853a86aad7374d980b7f355962ad41a6e6f
[INFO] running `Command { std: "docker" "start" "-a" "9c2049337535c0ea6901e094f7cb4853a86aad7374d980b7f355962ad41a6e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c2049337535c0ea6901e094f7cb4853a86aad7374d980b7f355962ad41a6e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2049337535c0ea6901e094f7cb4853a86aad7374d980b7f355962ad41a6e6f", kill_on_drop: false }`
[INFO] [stdout] 9c2049337535c0ea6901e094f7cb4853a86aad7374d980b7f355962ad41a6e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99f7d60412dbeb8c2719467ef4a630fcf7435cdfd2eb43997f6a9b5c3ae1e7d
[INFO] running `Command { std: "docker" "start" "-a" "c99f7d60412dbeb8c2719467ef4a630fcf7435cdfd2eb43997f6a9b5c3ae1e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling ittech v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "c99f7d60412dbeb8c2719467ef4a630fcf7435cdfd2eb43997f6a9b5c3ae1e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99f7d60412dbeb8c2719467ef4a630fcf7435cdfd2eb43997f6a9b5c3ae1e7d", kill_on_drop: false }`
[INFO] [stdout] c99f7d60412dbeb8c2719467ef4a630fcf7435cdfd2eb43997f6a9b5c3ae1e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c12e279b95a9866eb502c1248c48e4aaf1fd5348d064ba7a1aeebc85ad45a145
[INFO] running `Command { std: "docker" "start" "-a" "c12e279b95a9866eb502c1248c48e4aaf1fd5348d064ba7a1aeebc85ad45a145", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling ittech v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let fmt = wav::Format::new(
[INFO] [stdout]    |               ^^^ use of undeclared crate or module `wav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         wav::Channels::Mono,
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `wav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         wav::BitDepth::B16,
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `wav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     wav::write(fmt, wav::PCMData::B16(buffer), &mut outfile)
[INFO] [stdout]    |     ^^^ use of undeclared crate or module `wav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     wav::write(fmt, wav::PCMData::B16(buffer), &mut outfile)
[INFO] [stdout]    |                     ^^^ use of undeclared crate or module `wav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ittech` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c12e279b95a9866eb502c1248c48e4aaf1fd5348d064ba7a1aeebc85ad45a145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12e279b95a9866eb502c1248c48e4aaf1fd5348d064ba7a1aeebc85ad45a145", kill_on_drop: false }`
[INFO] [stdout] c12e279b95a9866eb502c1248c48e4aaf1fd5348d064ba7a1aeebc85ad45a145