[INFO] fetching crate sauron 0.30.0...
[INFO] checking sauron-0.30.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate sauron 0.30.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sauron 0.30.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sauron 0.30.0
[INFO] finished tweaking crates.io crate sauron 0.30.0
[INFO] tweaked toml for crates.io crate sauron 0.30.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate sauron 0.30.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee8af86f9a6e321a082503f53381176148ca85b68a812f8609c1211ae1b24d5
[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" "1ee8af86f9a6e321a082503f53381176148ca85b68a812f8609c1211ae1b24d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee8af86f9a6e321a082503f53381176148ca85b68a812f8609c1211ae1b24d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee8af86f9a6e321a082503f53381176148ca85b68a812f8609c1211ae1b24d5", kill_on_drop: false }`
[INFO] [stdout] 1ee8af86f9a6e321a082503f53381176148ca85b68a812f8609c1211ae1b24d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e00a4cc8b711bfc1f8648b1fa679d62dca0b3732e9d2a4135db377fca7d1506
[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" "1e00a4cc8b711bfc1f8648b1fa679d62dca0b3732e9d2a4135db377fca7d1506", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking mt-dom v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling sauron-node-macro v0.30.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking console_log v0.2.0
[INFO] [stderr]     Checking sauron-core v0.30.0
[INFO] [stderr]     Checking sauron v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.55s
[INFO] running `Command { std: "docker" "inspect" "1e00a4cc8b711bfc1f8648b1fa679d62dca0b3732e9d2a4135db377fca7d1506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e00a4cc8b711bfc1f8648b1fa679d62dca0b3732e9d2a4135db377fca7d1506", kill_on_drop: false }`
[INFO] [stdout] 1e00a4cc8b711bfc1f8648b1fa679d62dca0b3732e9d2a4135db377fca7d1506