[INFO] fetching crate disco 0.1.0... [INFO] building disco-0.1.0 against master#f5209000832c9d3bc29c91f4daef4ca9f28dc797+target=wasm32-wasip1 for pr-149868 [INFO] extracting crate disco 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate disco 0.1.0 [INFO] finished tweaking crates.io crate disco 0.1.0 [INFO] tweaked toml for crates.io crate disco 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate disco 0.1.0 on toolchain f5209000832c9d3bc29c91f4daef4ca9f28dc797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate disco 0.1.0 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" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded subtle v2.2.2 [INFO] [stderr] Downloaded zeroize v1.1.0 [INFO] [stderr] Downloaded sha2 v0.8.1 [INFO] [stderr] Downloaded ed25519-dalek v1.0.0-pre.3 [INFO] [stderr] Downloaded zeroize_derive v1.0.0 [INFO] [stderr] Downloaded strobe-rs v0.5.2 [INFO] [stderr] Downloaded clear_on_drop v0.2.3 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded syn v1.0.15 [INFO] [stderr] Downloaded curve25519-dalek v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc30a936a50f88c2c5c17615c99b06e96ad60c0baea72770d404de35b75fe583 [INFO] running `Command { std: "docker" "start" "-a" "fc30a936a50f88c2c5c17615c99b06e96ad60c0baea72770d404de35b75fe583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc30a936a50f88c2c5c17615c99b06e96ad60c0baea72770d404de35b75fe583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc30a936a50f88c2c5c17615c99b06e96ad60c0baea72770d404de35b75fe583", kill_on_drop: false }` [INFO] [stdout] fc30a936a50f88c2c5c17615c99b06e96ad60c0baea72770d404de35b75fe583 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }` [INFO] [stdout] a54cb262c424d78ab5ca0bc063089663a1ac28d0556a3f0ba6e711b8a0400d6e [INFO] running `Command { std: "docker" "start" "-a" "a54cb262c424d78ab5ca0bc063089663a1ac28d0556a3f0ba6e711b8a0400d6e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.15 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling subtle v2.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling tiny-keccak v1.5.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling strobe-rs v0.5.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling zeroize_derive v1.0.0 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling curve25519-dalek v2.0.0 [INFO] [stderr] Compiling x25519-dalek v0.6.0 [INFO] [stderr] Compiling ed25519-dalek v1.0.0-pre.3 [INFO] [stderr] Compiling disco v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.68s [INFO] running `Command { std: "docker" "inspect" "a54cb262c424d78ab5ca0bc063089663a1ac28d0556a3f0ba6e711b8a0400d6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a54cb262c424d78ab5ca0bc063089663a1ac28d0556a3f0ba6e711b8a0400d6e", kill_on_drop: false }` [INFO] [stdout] a54cb262c424d78ab5ca0bc063089663a1ac28d0556a3f0ba6e711b8a0400d6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }` [INFO] [stdout] 940add61348f76abd33652c589b228ba21c41674f21b80711a8cae9cccfc8fec [INFO] running `Command { std: "docker" "start" "-a" "940add61348f76abd33652c589b228ba21c41674f21b80711a8cae9cccfc8fec", kill_on_drop: false }` [INFO] [stderr] Compiling disco v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/tcp.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | Disco(ReadError), [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - Disco(ReadError), [INFO] [stdout] 7 + Disco(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/tcp.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | Io(IoError), [INFO] [stdout] | -- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - Io(IoError), [INFO] [stdout] 8 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/tcp.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | Parse(std::str::Utf8Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - Parse(std::str::Utf8Error), [INFO] [stdout] 9 + Parse(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `Command { std: "docker" "inspect" "940add61348f76abd33652c589b228ba21c41674f21b80711a8cae9cccfc8fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "940add61348f76abd33652c589b228ba21c41674f21b80711a8cae9cccfc8fec", kill_on_drop: false }` [INFO] [stdout] 940add61348f76abd33652c589b228ba21c41674f21b80711a8cae9cccfc8fec