[INFO] fetching crate seamless_macros 0.7.2...
[INFO] checking seamless_macros-0.7.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate seamless_macros 0.7.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate seamless_macros 0.7.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seamless_macros 0.7.2
[INFO] finished tweaking crates.io crate seamless_macros 0.7.2
[INFO] tweaked toml for crates.io crate seamless_macros 0.7.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 363ea821f8e29be6bf53b3896103881ecc9bf921551ae30d6f8df4df97dc5802
[INFO] running `Command { std: "docker" "start" "-a" "363ea821f8e29be6bf53b3896103881ecc9bf921551ae30d6f8df4df97dc5802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363ea821f8e29be6bf53b3896103881ecc9bf921551ae30d6f8df4df97dc5802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363ea821f8e29be6bf53b3896103881ecc9bf921551ae30d6f8df4df97dc5802", kill_on_drop: false }`
[INFO] [stdout] 363ea821f8e29be6bf53b3896103881ecc9bf921551ae30d6f8df4df97dc5802
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03daa0c64338c2153c86d9018c3d09a74eb9df9e134eab3c464ac06b0cb662c
[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" "f03daa0c64338c2153c86d9018c3d09a74eb9df9e134eab3c464ac06b0cb662c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking seamless_macros v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling seamless_macros v0.7.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking seamless v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.62s
[INFO] running `Command { std: "docker" "inspect" "f03daa0c64338c2153c86d9018c3d09a74eb9df9e134eab3c464ac06b0cb662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03daa0c64338c2153c86d9018c3d09a74eb9df9e134eab3c464ac06b0cb662c", kill_on_drop: false }`
[INFO] [stdout] f03daa0c64338c2153c86d9018c3d09a74eb9df9e134eab3c464ac06b0cb662c