[INFO] fetching crate zee-grammar 0.1.2...
[INFO] checking zee-grammar-0.1.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate zee-grammar 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zee-grammar 0.1.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zee-grammar 0.1.2
[INFO] finished tweaking crates.io crate zee-grammar 0.1.2
[INFO] tweaked toml for crates.io crate zee-grammar 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ac39fe8642bf5c274907fc1053ea3c4cef1f10f7d6b52154239936f9c5f620
[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" "f0ac39fe8642bf5c274907fc1053ea3c4cef1f10f7d6b52154239936f9c5f620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ac39fe8642bf5c274907fc1053ea3c4cef1f10f7d6b52154239936f9c5f620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ac39fe8642bf5c274907fc1053ea3c4cef1f10f7d6b52154239936f9c5f620", kill_on_drop: false }`
[INFO] [stdout] f0ac39fe8642bf5c274907fc1053ea3c4cef1f10f7d6b52154239936f9c5f620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4e7d10c7d36a257c5ef62b8dfedf3cc504b9f16bd05f95922c15da9d3425d5a
[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" "d4e7d10c7d36a257c5ef62b8dfedf3cc504b9f16bd05f95922c15da9d3425d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling tree-sitter v0.6.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling zee-grammar v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "d4e7d10c7d36a257c5ef62b8dfedf3cc504b9f16bd05f95922c15da9d3425d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e7d10c7d36a257c5ef62b8dfedf3cc504b9f16bd05f95922c15da9d3425d5a", kill_on_drop: false }`
[INFO] [stdout] d4e7d10c7d36a257c5ef62b8dfedf3cc504b9f16bd05f95922c15da9d3425d5a