[INFO] fetching crate krnl-macros 0.0.3...
[INFO] checking krnl-macros-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate krnl-macros 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate krnl-macros 0.0.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krnl-macros 0.0.3
[INFO] finished tweaking crates.io crate krnl-macros 0.0.3
[INFO] tweaked toml for crates.io crate krnl-macros 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.17)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode2 v2.0.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f168933f8fcf93da8aaa4b455c40d08768b9b4aa75ea14140644413733716e9a
[INFO] running `Command { std: "docker" "start" "-a" "f168933f8fcf93da8aaa4b455c40d08768b9b4aa75ea14140644413733716e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f168933f8fcf93da8aaa4b455c40d08768b9b4aa75ea14140644413733716e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f168933f8fcf93da8aaa4b455c40d08768b9b4aa75ea14140644413733716e9a", kill_on_drop: false }`
[INFO] [stdout] f168933f8fcf93da8aaa4b455c40d08768b9b4aa75ea14140644413733716e9a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6864ee6c4347800c2d661146b958094e4c42ac2d023cf19e363fe6b01f230554
[INFO] running `Command { std: "docker" "start" "-a" "6864ee6c4347800c2d661146b958094e4c42ac2d023cf19e363fe6b01f230554", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crc32fast v1.4.0
[INFO] [stderr]     Checking semver v1.0.22
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking bincode2 v2.0.1
[INFO] [stderr]     Checking krnl-macros v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "6864ee6c4347800c2d661146b958094e4c42ac2d023cf19e363fe6b01f230554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6864ee6c4347800c2d661146b958094e4c42ac2d023cf19e363fe6b01f230554", kill_on_drop: false }`
[INFO] [stdout] 6864ee6c4347800c2d661146b958094e4c42ac2d023cf19e363fe6b01f230554