[INFO] fetching crate wag 0.3.0...
[INFO] building wag-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate wag 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate wag 0.3.0
[INFO] finished tweaking crates.io crate wag 0.3.0
[INFO] tweaked toml for crates.io crate wag 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wag 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 165a55d8f593b552341eddbea996c465a1ad4b2505987ef92808bcb854776044
[INFO] running `Command { std: "docker" "start" "-a" "165a55d8f593b552341eddbea996c465a1ad4b2505987ef92808bcb854776044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165a55d8f593b552341eddbea996c465a1ad4b2505987ef92808bcb854776044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165a55d8f593b552341eddbea996c465a1ad4b2505987ef92808bcb854776044", kill_on_drop: false }`
[INFO] [stdout] 165a55d8f593b552341eddbea996c465a1ad4b2505987ef92808bcb854776044
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42bae050e03a2df1e937809b62f16a1edfbba2e7eb25dbf59761b24dadc16ae8
[INFO] running `Command { std: "docker" "start" "-a" "42bae050e03a2df1e937809b62f16a1edfbba2e7eb25dbf59761b24dadc16ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling wag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WaitChild(Arc<()>);
[INFO] [stdout]   |            --------- ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "42bae050e03a2df1e937809b62f16a1edfbba2e7eb25dbf59761b24dadc16ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bae050e03a2df1e937809b62f16a1edfbba2e7eb25dbf59761b24dadc16ae8", kill_on_drop: false }`
[INFO] [stdout] 42bae050e03a2df1e937809b62f16a1edfbba2e7eb25dbf59761b24dadc16ae8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e135c3e3f09b2ca5d4e56e5d54ffa7b7b2de692591bf8493de9af88270f300
[INFO] running `Command { std: "docker" "start" "-a" "e4e135c3e3f09b2ca5d4e56e5d54ffa7b7b2de692591bf8493de9af88270f300", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WaitChild(Arc<()>);
[INFO] [stdout]   |            --------- ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling wag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WaitChild(Arc<()>);
[INFO] [stdout]   |            --------- ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.84s
[INFO] running `Command { std: "docker" "inspect" "e4e135c3e3f09b2ca5d4e56e5d54ffa7b7b2de692591bf8493de9af88270f300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e135c3e3f09b2ca5d4e56e5d54ffa7b7b2de692591bf8493de9af88270f300", kill_on_drop: false }`
[INFO] [stdout] e4e135c3e3f09b2ca5d4e56e5d54ffa7b7b2de692591bf8493de9af88270f300