[INFO] fetching crate wings_host 0.1.5...
[INFO] checking wings_host-0.1.5 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate wings_host 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate wings_host 0.1.5
[INFO] finished tweaking crates.io crate wings_host 0.1.5
[INFO] tweaked toml for crates.io crate wings_host 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wings_host 0.1.5 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "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" "+42f4793e5a514858221b07ac379029d90353913e" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding wasm_runtime_layer v0.4.2 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm_sync v0.1.2
[INFO] [stderr]   Downloaded geese v0.3.11
[INFO] [stderr]   Downloaded const_list v0.1.0
[INFO] [stderr]   Downloaded wasm_thread v0.3.3
[INFO] [stderr]   Downloaded vecdeque-stableix v1.1.1
[INFO] [stderr]   Downloaded wasm_runtime_layer v0.4.2
[INFO] [stderr]   Downloaded wings_marshal v0.1.5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96494bc7fc597536bb86633db125d314292a61e3ea5a6d2abe00ecef16caf50d
[INFO] running `Command { std: "docker" "start" "-a" "96494bc7fc597536bb86633db125d314292a61e3ea5a6d2abe00ecef16caf50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96494bc7fc597536bb86633db125d314292a61e3ea5a6d2abe00ecef16caf50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96494bc7fc597536bb86633db125d314292a61e3ea5a6d2abe00ecef16caf50d", kill_on_drop: false }`
[INFO] [stdout] 96494bc7fc597536bb86633db125d314292a61e3ea5a6d2abe00ecef16caf50d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa260989dd305799e33318ba87063751c50487b823a9f53395ae340e4c1281bc
[INFO] running `Command { std: "docker" "start" "-a" "fa260989dd305799e33318ba87063751c50487b823a9f53395ae340e4c1281bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking wasm_sync v0.1.2
[INFO] [stderr]     Checking const_list v0.1.0
[INFO] [stderr]    Compiling geese v0.3.11
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking vecdeque-stableix v1.1.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking wings_marshal v0.1.5
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking wasm_runtime_layer v0.4.2
[INFO] [stderr]     Checking wings_host v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "fa260989dd305799e33318ba87063751c50487b823a9f53395ae340e4c1281bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa260989dd305799e33318ba87063751c50487b823a9f53395ae340e4c1281bc", kill_on_drop: false }`
[INFO] [stdout] fa260989dd305799e33318ba87063751c50487b823a9f53395ae340e4c1281bc