[INFO] fetching crate wit-walrus 0.6.0...
[INFO] checking wit-walrus-0.6.0 against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] extracting crate wit-walrus 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate wit-walrus 0.6.0 on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wit-walrus 0.6.0
[INFO] finished tweaking crates.io crate wit-walrus 0.6.0
[INFO] tweaked toml for crates.io crate wit-walrus 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding walrus v0.19.0 (available: v0.23.3)
[INFO] [stderr]       Adding wit-parser v0.2.0 (available: v0.221.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-schema-version v0.1.0
[INFO] [stderr]   Downloaded wit-writer v0.2.0
[INFO] [stderr]   Downloaded wit-parser v0.2.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b140443e12b84d17525c0511e692febb9b64dba16a0d62e4610b2e9512243052
[INFO] running `Command { std: "docker" "start" "-a" "b140443e12b84d17525c0511e692febb9b64dba16a0d62e4610b2e9512243052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b140443e12b84d17525c0511e692febb9b64dba16a0d62e4610b2e9512243052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b140443e12b84d17525c0511e692febb9b64dba16a0d62e4610b2e9512243052", kill_on_drop: false }`
[INFO] [stdout] b140443e12b84d17525c0511e692febb9b64dba16a0d62e4610b2e9512243052
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36093614fb815b7bcc2855b72a8df046ad9cee662512e77b4e04b6d397dc9dca
[INFO] running `Command { std: "docker" "start" "-a" "36093614fb815b7bcc2855b72a8df046ad9cee662512e77b4e04b6d397dc9dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking wit-schema-version v0.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking wasmparser v0.77.1
[INFO] [stderr]     Checking wit-writer v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking wit-parser v0.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]     Checking walrus v0.19.0
[INFO] [stderr]     Checking wit-walrus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "36093614fb815b7bcc2855b72a8df046ad9cee662512e77b4e04b6d397dc9dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36093614fb815b7bcc2855b72a8df046ad9cee662512e77b4e04b6d397dc9dca", kill_on_drop: false }`
[INFO] [stdout] 36093614fb815b7bcc2855b72a8df046ad9cee662512e77b4e04b6d397dc9dca