[INFO] fetching crate smelter 0.0.2...
[INFO] checking smelter-0.0.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate smelter 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate smelter 0.0.2 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smelter 0.0.2
[INFO] finished tweaking crates.io crate smelter 0.0.2
[INFO] tweaked toml for crates.io crate smelter 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.2.3
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.165
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded clippy v0.0.165
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 824c101889f3141d7a1be6e787d6b7c0d432bfd7334e3705e42c72f18b03965f
[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" "824c101889f3141d7a1be6e787d6b7c0d432bfd7334e3705e42c72f18b03965f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824c101889f3141d7a1be6e787d6b7c0d432bfd7334e3705e42c72f18b03965f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824c101889f3141d7a1be6e787d6b7c0d432bfd7334e3705e42c72f18b03965f", kill_on_drop: false }`
[INFO] [stdout] 824c101889f3141d7a1be6e787d6b7c0d432bfd7334e3705e42c72f18b03965f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8dcc42fb09c7bc9d8c7bb004d1c554a96bef126d16f0e719c461ee6de679503
[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" "d8dcc42fb09c7bc9d8c7bb004d1c554a96bef126d16f0e719c461ee6de679503", kill_on_drop: false }`
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking smelter v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "d8dcc42fb09c7bc9d8c7bb004d1c554a96bef126d16f0e719c461ee6de679503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8dcc42fb09c7bc9d8c7bb004d1c554a96bef126d16f0e719c461ee6de679503", kill_on_drop: false }`
[INFO] [stdout] d8dcc42fb09c7bc9d8c7bb004d1c554a96bef126d16f0e719c461ee6de679503