[INFO] fetching crate willow-example 0.1.1...
[INFO] checking willow-example-0.1.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate willow-example 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate willow-example 0.1.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate willow-example 0.1.1
[INFO] finished tweaking crates.io crate willow-example 0.1.1
[INFO] tweaked toml for crates.io crate willow-example 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded nalgebra v0.27.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded willow v0.0.3
[INFO] [stderr]   Downloaded willow-codegen v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 839d4416ab6e93d2e748adf401d8e48038c70bdbfdcc0f72af4af43103eab925
[INFO] running `Command { std: "docker" "start" "-a" "839d4416ab6e93d2e748adf401d8e48038c70bdbfdcc0f72af4af43103eab925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839d4416ab6e93d2e748adf401d8e48038c70bdbfdcc0f72af4af43103eab925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839d4416ab6e93d2e748adf401d8e48038c70bdbfdcc0f72af4af43103eab925", kill_on_drop: false }`
[INFO] [stdout] 839d4416ab6e93d2e748adf401d8e48038c70bdbfdcc0f72af4af43103eab925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcfcc83fb6b69f42ffbfd36f76185626cc7766cafe55d71d1b9d3e12edfa2208
[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" "fcfcc83fb6b69f42ffbfd36f76185626cc7766cafe55d71d1b9d3e12edfa2208", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling willow-codegen v0.0.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]     Checking js-sys v0.3.51
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking web-sys v0.3.51
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking willow v0.0.3
[INFO] [stderr]     Checking willow-example v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/lib.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let (foo,) = willow::create_programs!(context => Foo);
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/lib.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let (foo,) = willow::create_programs!(context => Foo);
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.64s
[INFO] running `Command { std: "docker" "inspect" "fcfcc83fb6b69f42ffbfd36f76185626cc7766cafe55d71d1b9d3e12edfa2208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfcc83fb6b69f42ffbfd36f76185626cc7766cafe55d71d1b9d3e12edfa2208", kill_on_drop: false }`
[INFO] [stdout] fcfcc83fb6b69f42ffbfd36f76185626cc7766cafe55d71d1b9d3e12edfa2208