[INFO] crate proc-macro2 1.0.18 is already in cache
[INFO] checking proc-macro2-1.0.18 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate proc-macro2 1.0.18 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate proc-macro2 1.0.18 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro2 1.0.18
[INFO] finished tweaking crates.io crate proc-macro2 1.0.18
[INFO] tweaked toml for crates.io crate proc-macro2 1.0.18 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0fb8e504d8e5c5dcfb08f2974fa07c85e02d315d2142376c30c8db967bfa8ba
[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" "f0fb8e504d8e5c5dcfb08f2974fa07c85e02d315d2142376c30c8db967bfa8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0fb8e504d8e5c5dcfb08f2974fa07c85e02d315d2142376c30c8db967bfa8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fb8e504d8e5c5dcfb08f2974fa07c85e02d315d2142376c30c8db967bfa8ba", kill_on_drop: false }`
[INFO] [stdout] f0fb8e504d8e5c5dcfb08f2974fa07c85e02d315d2142376c30c8db967bfa8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] e37371d46f51aeda81eef821c0b484f939056cd6d93c2e95e06baa225cc6d0f7
[INFO] running `Command { std: "docker" "start" "-a" "e37371d46f51aeda81eef821c0b484f939056cd6d93c2e95e06baa225cc6d0f7", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "e37371d46f51aeda81eef821c0b484f939056cd6d93c2e95e06baa225cc6d0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37371d46f51aeda81eef821c0b484f939056cd6d93c2e95e06baa225cc6d0f7", kill_on_drop: false }`
[INFO] [stdout] e37371d46f51aeda81eef821c0b484f939056cd6d93c2e95e06baa225cc6d0f7