[INFO] fetching crate wai-bindgen-cli 0.2.3...
[INFO] checking wai-bindgen-cli-0.2.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate wai-bindgen-cli 0.2.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wai-bindgen-cli 0.2.3
[INFO] finished tweaking crates.io crate wai-bindgen-cli 0.2.3
[INFO] tweaked toml for crates.io crate wai-bindgen-cli 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wai-bindgen-cli 0.2.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wai-bindgen-cli 0.2.3 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c73b86d4b3ced56efc3beccc239c95998649aef34138aec990c5772234fe1ae1
[INFO] running `Command { std: "docker" "start" "-a" "c73b86d4b3ced56efc3beccc239c95998649aef34138aec990c5772234fe1ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c73b86d4b3ced56efc3beccc239c95998649aef34138aec990c5772234fe1ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73b86d4b3ced56efc3beccc239c95998649aef34138aec990c5772234fe1ae1", kill_on_drop: false }`
[INFO] [stdout] c73b86d4b3ced56efc3beccc239c95998649aef34138aec990c5772234fe1ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad02c271dba5a863dedd3caf4804a6937e9f924866d9e0734455b2bb9e59d69e
[INFO] running `Command { std: "docker" "start" "-a" "ad02c271dba5a863dedd3caf4804a6937e9f924866d9e0734455b2bb9e59d69e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling wai-bindgen-gen-js v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-c v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-spidermonkey v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-wasmer-py v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wai-bindgen-gen-wasmer v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-wasmtime v0.2.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling wai-bindgen-gen-wasmtime-py v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-rust-wasm v0.2.3
[INFO] [stderr]     Checking wasm-encoder v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking wai-parser v0.2.3
[INFO] [stderr]     Checking wai-bindgen-gen-core v0.2.3
[INFO] [stderr]     Checking wai-bindgen-gen-rust v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking wai-bindgen-gen-markdown v0.2.3
[INFO] [stderr]     Checking wai-bindgen-cli v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Where to place output files
[INFO] [stdout] 75 | |     #[structopt(long = "out-dir")]
[INFO] [stdout] 76 | |     out_dir: Option<PathBuf>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// Generate import bindings for the given `*.wai` interface. Can be
[INFO] [stdout] 79 | |     /// specified multiple times.
[INFO] [stdout] 80 | |     #[structopt(long = "import", short)]
[INFO] [stdout] 81 | |     imports: Vec<PathBuf>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     /// Generate export bindings for the given `*.wai` interface. Can be
[INFO] [stdout] 84 | |     /// specified multiple times.
[INFO] [stdout] 85 | |     #[structopt(long = "export", short)]
[INFO] [stdout] 86 | |     exports: Vec<PathBuf>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wai-bindgen-cli` (bin "wai-bindgen" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Where to place output files
[INFO] [stdout] 75 | |     #[structopt(long = "out-dir")]
[INFO] [stdout] 76 | |     out_dir: Option<PathBuf>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// Generate import bindings for the given `*.wai` interface. Can be
[INFO] [stdout] 79 | |     /// specified multiple times.
[INFO] [stdout] 80 | |     #[structopt(long = "import", short)]
[INFO] [stdout] 81 | |     imports: Vec<PathBuf>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/wai-bindgen.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     /// Generate export bindings for the given `*.wai` interface. Can be
[INFO] [stdout] 84 | |     /// specified multiple times.
[INFO] [stdout] 85 | |     #[structopt(long = "export", short)]
[INFO] [stdout] 86 | |     exports: Vec<PathBuf>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wai-bindgen-cli` (bin "wai-bindgen") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad02c271dba5a863dedd3caf4804a6937e9f924866d9e0734455b2bb9e59d69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad02c271dba5a863dedd3caf4804a6937e9f924866d9e0734455b2bb9e59d69e", kill_on_drop: false }`
[INFO] [stdout] ad02c271dba5a863dedd3caf4804a6937e9f924866d9e0734455b2bb9e59d69e