[INFO] fetching crate wasl 0.0.0...
[INFO] checking wasl-0.0.0 against try#4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7 for pr-158816
[INFO] extracting crate wasl 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wasl 0.0.0
[INFO] finished tweaking crates.io crate wasl 0.0.0
[INFO] tweaked toml for crates.io crate wasl 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasl 0.0.0 on toolchain 4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasl 0.0.0 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" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433
[INFO] running `Command { std: "docker" "start" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stdout] error: `#[must_use]` attribute cannot be used on macro calls
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/naga-0.5.0/src/valid/mod.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: placing this attribute on a macro invocation does nothing even if the macro expands to what would be a valid target for the attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `naga` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433", kill_on_drop: false }`
[INFO] [stdout] 8adf1edb14d73e83d21ed8bd2c60908635e5f2e52d7a8d5bb907b1041fc12433
