[INFO] fetching crate externref 0.3.0-beta.1...
[INFO] checking externref-0.3.0-beta.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate externref 0.3.0-beta.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate externref 0.3.0-beta.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate externref 0.3.0-beta.1
[INFO] tweaked toml for crates.io crate externref 0.3.0-beta.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate externref 0.3.0-beta.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding walrus v0.22.0 (available: v0.23.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-sync v0.9.5
[INFO] [stderr]   Downloaded walrus-macro v0.22.0
[INFO] [stderr]   Downloaded externref-macro v0.3.0-beta.1
[INFO] [stderr]   Downloaded wasm-encoder v0.212.0
[INFO] [stderr]   Downloaded walrus v0.22.0
[INFO] [stderr]   Downloaded wasmparser v0.212.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f90012cce40591efeb60b72bbe5569a64e8fda4136f585400ffbaf35375759
[INFO] running `Command { std: "docker" "start" "-a" "91f90012cce40591efeb60b72bbe5569a64e8fda4136f585400ffbaf35375759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f90012cce40591efeb60b72bbe5569a64e8fda4136f585400ffbaf35375759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f90012cce40591efeb60b72bbe5569a64e8fda4136f585400ffbaf35375759", kill_on_drop: false }`
[INFO] [stdout] 91f90012cce40591efeb60b72bbe5569a64e8fda4136f585400ffbaf35375759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e52ce7da9406de9f8275b791a1486ff0ed608f4e3a022c93564202dd8dce671
[INFO] running `Command { std: "docker" "start" "-a" "6e52ce7da9406de9f8275b791a1486ff0ed608f4e3a022c93564202dd8dce671", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling wasm-encoder v0.235.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]    Compiling externref-macro v0.3.0-beta.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking externref v0.3.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wast v235.0.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking wat v1.235.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.06s
[INFO] running `Command { std: "docker" "inspect" "6e52ce7da9406de9f8275b791a1486ff0ed608f4e3a022c93564202dd8dce671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e52ce7da9406de9f8275b791a1486ff0ed608f4e3a022c93564202dd8dce671", kill_on_drop: false }`
[INFO] [stdout] 6e52ce7da9406de9f8275b791a1486ff0ed608f4e3a022c93564202dd8dce671