[INFO] fetching crate ittech 0.2.0...
[INFO] checking ittech-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ittech 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ittech 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ittech 0.2.0
[INFO] finished tweaking crates.io crate ittech 0.2.0
[INFO] tweaked toml for crates.io crate ittech 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate ittech 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ecf8fd27048cc55e43679512601d36b0c56824aba627f604b0013e4514fc290
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ecf8fd27048cc55e43679512601d36b0c56824aba627f604b0013e4514fc290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ecf8fd27048cc55e43679512601d36b0c56824aba627f604b0013e4514fc290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecf8fd27048cc55e43679512601d36b0c56824aba627f604b0013e4514fc290", kill_on_drop: false }`
[INFO] [stdout] 8ecf8fd27048cc55e43679512601d36b0c56824aba627f604b0013e4514fc290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f61b1bd8445df31ad071e1b9f7e9c0b5b7672d78c8f8a3f35272337c0a0b6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6f61b1bd8445df31ad071e1b9f7e9c0b5b7672d78c8f8a3f35272337c0a0b6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking anyhow v1.0.38
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking ittech v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `wav`
[INFO] [stdout]   --> examples/render.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     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:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         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:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         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:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     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:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6f61b1bd8445df31ad071e1b9f7e9c0b5b7672d78c8f8a3f35272337c0a0b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f61b1bd8445df31ad071e1b9f7e9c0b5b7672d78c8f8a3f35272337c0a0b6d", kill_on_drop: false }`
[INFO] [stdout] e6f61b1bd8445df31ad071e1b9f7e9c0b5b7672d78c8f8a3f35272337c0a0b6d