[INFO] fetching crate proc-macro2 1.0.27...
[INFO] checking proc-macro2-1.0.27 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate proc-macro2 1.0.27 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proc-macro2 1.0.27 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro2 1.0.27
[INFO] finished tweaking crates.io crate proc-macro2 1.0.27
[INFO] tweaked toml for crates.io crate proc-macro2 1.0.27 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfa39564f742b2b14b4a0230321ac0509601b975ac580310ef18c728a4cabab
[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" "2bfa39564f742b2b14b4a0230321ac0509601b975ac580310ef18c728a4cabab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfa39564f742b2b14b4a0230321ac0509601b975ac580310ef18c728a4cabab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfa39564f742b2b14b4a0230321ac0509601b975ac580310ef18c728a4cabab", kill_on_drop: false }`
[INFO] [stdout] 2bfa39564f742b2b14b4a0230321ac0509601b975ac580310ef18c728a4cabab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 39013ad02c3b92ba5e5fa36aae98b485dc0730b12b6f608b391b04abb05edd7f
[INFO] running `Command { std: "docker" "start" "-a" "39013ad02c3b92ba5e5fa36aae98b485dc0730b12b6f608b391b04abb05edd7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "39013ad02c3b92ba5e5fa36aae98b485dc0730b12b6f608b391b04abb05edd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39013ad02c3b92ba5e5fa36aae98b485dc0730b12b6f608b391b04abb05edd7f", kill_on_drop: false }`
[INFO] [stdout] 39013ad02c3b92ba5e5fa36aae98b485dc0730b12b6f608b391b04abb05edd7f