[INFO] fetching crate snapshot-proc-macro 0.1.0...
[INFO] checking snapshot-proc-macro-0.1.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate snapshot-proc-macro 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate snapshot-proc-macro 0.1.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snapshot-proc-macro 0.1.0
[INFO] finished tweaking crates.io crate snapshot-proc-macro 0.1.0
[INFO] tweaked toml for crates.io crate snapshot-proc-macro 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b17fe1da378fe01f85da88418a47e524fa593c45c434a784191238f21222cee3
[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" "b17fe1da378fe01f85da88418a47e524fa593c45c434a784191238f21222cee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b17fe1da378fe01f85da88418a47e524fa593c45c434a784191238f21222cee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17fe1da378fe01f85da88418a47e524fa593c45c434a784191238f21222cee3", kill_on_drop: false }`
[INFO] [stdout] b17fe1da378fe01f85da88418a47e524fa593c45c434a784191238f21222cee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f70ca4e8a35f0e47994238ebcf549dca3ee0bec227f6094cdc987ee50961e5
[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" "a9f70ca4e8a35f0e47994238ebcf549dca3ee0bec227f6094cdc987ee50961e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking snapshot-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "a9f70ca4e8a35f0e47994238ebcf549dca3ee0bec227f6094cdc987ee50961e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f70ca4e8a35f0e47994238ebcf549dca3ee0bec227f6094cdc987ee50961e5", kill_on_drop: false }`
[INFO] [stdout] a9f70ca4e8a35f0e47994238ebcf549dca3ee0bec227f6094cdc987ee50961e5