[INFO] fetching crate wit-walrus 0.5.0...
[INFO] checking wit-walrus-0.5.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate wit-walrus 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wit-walrus 0.5.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wit-walrus 0.5.0
[INFO] finished tweaking crates.io crate wit-walrus 0.5.0
[INFO] tweaked toml for crates.io crate wit-walrus 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-writer v0.2.0
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded walrus v0.18.0
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded walrus-macro v0.18.0
[INFO] [stderr]   Downloaded wit-parser v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcd19ab22b1f487d11d165db12b5893cade7b130455730860ebf86a58dca312c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcd19ab22b1f487d11d165db12b5893cade7b130455730860ebf86a58dca312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcd19ab22b1f487d11d165db12b5893cade7b130455730860ebf86a58dca312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd19ab22b1f487d11d165db12b5893cade7b130455730860ebf86a58dca312c", kill_on_drop: false }`
[INFO] [stdout] dcd19ab22b1f487d11d165db12b5893cade7b130455730860ebf86a58dca312c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113947032ee9d7eb4b4d94f2a403c7858c5be7df47b91af499ed25d19f5d092e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "113947032ee9d7eb4b4d94f2a403c7858c5be7df47b91af499ed25d19f5d092e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking anyhow v1.0.33
[INFO] [stderr]     Checking wit-writer v0.2.0
[INFO] [stderr]     Checking wit-parser v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]     Checking walrus v0.18.0
[INFO] [stderr]     Checking wit-walrus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.95s
[INFO] running `Command { std: "docker" "inspect" "113947032ee9d7eb4b4d94f2a403c7858c5be7df47b91af499ed25d19f5d092e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113947032ee9d7eb4b4d94f2a403c7858c5be7df47b91af499ed25d19f5d092e", kill_on_drop: false }`
[INFO] [stdout] 113947032ee9d7eb4b4d94f2a403c7858c5be7df47b91af499ed25d19f5d092e