[INFO] fetching crate serde-attributes 0.1.1...
[INFO] checking serde-attributes-0.1.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate serde-attributes 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-attributes 0.1.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-attributes 0.1.1
[INFO] finished tweaking crates.io crate serde-attributes 0.1.1
[INFO] tweaked toml for crates.io crate serde-attributes 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dae0e289aa6d823ddae171c59346ac07a6416ddf476399a83d6b7b1354a4f0a
[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" "3dae0e289aa6d823ddae171c59346ac07a6416ddf476399a83d6b7b1354a4f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dae0e289aa6d823ddae171c59346ac07a6416ddf476399a83d6b7b1354a4f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dae0e289aa6d823ddae171c59346ac07a6416ddf476399a83d6b7b1354a4f0a", kill_on_drop: false }`
[INFO] [stdout] 3dae0e289aa6d823ddae171c59346ac07a6416ddf476399a83d6b7b1354a4f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a728592a3d7c9eed53723f435cebcd6d6d2c14a917548e642d33e4b02dd5b2
[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" "81a728592a3d7c9eed53723f435cebcd6d6d2c14a917548e642d33e4b02dd5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking serde-rename-rule v0.1.1
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking darling_core v0.13.0
[INFO] [stderr]     Checking serde-attributes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking darling v0.13.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.96s
[INFO] running `Command { std: "docker" "inspect" "81a728592a3d7c9eed53723f435cebcd6d6d2c14a917548e642d33e4b02dd5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a728592a3d7c9eed53723f435cebcd6d6d2c14a917548e642d33e4b02dd5b2", kill_on_drop: false }`
[INFO] [stdout] 81a728592a3d7c9eed53723f435cebcd6d6d2c14a917548e642d33e4b02dd5b2