[INFO] fetching crate cfgrammar 0.9.0...
[INFO] checking cfgrammar-0.9.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate cfgrammar 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cfgrammar 0.9.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgrammar 0.9.0
[INFO] finished tweaking crates.io crate cfgrammar 0.9.0
[INFO] tweaked toml for crates.io crate cfgrammar 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 786c0904b44b99ad6bb9f3127b4aa8ed0019529109c43f99a5e647e58d87d1ed
[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" "786c0904b44b99ad6bb9f3127b4aa8ed0019529109c43f99a5e647e58d87d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786c0904b44b99ad6bb9f3127b4aa8ed0019529109c43f99a5e647e58d87d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786c0904b44b99ad6bb9f3127b4aa8ed0019529109c43f99a5e647e58d87d1ed", kill_on_drop: false }`
[INFO] [stdout] 786c0904b44b99ad6bb9f3127b4aa8ed0019529109c43f99a5e647e58d87d1ed
[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" "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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] 283a1e31d7c85e92b26b3c037f5ddf8d3de315c97682ecfcd87daa94e23b6d1a
[INFO] running `Command { std: "docker" "start" "-a" "283a1e31d7c85e92b26b3c037f5ddf8d3de315c97682ecfcd87daa94e23b6d1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking cfgrammar v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.08s
[INFO] running `Command { std: "docker" "inspect" "283a1e31d7c85e92b26b3c037f5ddf8d3de315c97682ecfcd87daa94e23b6d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283a1e31d7c85e92b26b3c037f5ddf8d3de315c97682ecfcd87daa94e23b6d1a", kill_on_drop: false }`
[INFO] [stdout] 283a1e31d7c85e92b26b3c037f5ddf8d3de315c97682ecfcd87daa94e23b6d1a