[INFO] fetching crate conllx 0.12.1...
[INFO] checking conllx-0.12.1 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate conllx 0.12.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate conllx 0.12.1 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conllx 0.12.1
[INFO] finished tweaking crates.io crate conllx 0.12.1
[INFO] tweaked toml for crates.io crate conllx 0.12.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4b2e70d7140d4d5c753e2dd6934abc2c4b928bae7ee3681c6d8603f6c07f88
[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" "ca4b2e70d7140d4d5c753e2dd6934abc2c4b928bae7ee3681c6d8603f6c07f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4b2e70d7140d4d5c753e2dd6934abc2c4b928bae7ee3681c6d8603f6c07f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4b2e70d7140d4d5c753e2dd6934abc2c4b928bae7ee3681c6d8603f6c07f88", kill_on_drop: false }`
[INFO] [stdout] ca4b2e70d7140d4d5c753e2dd6934abc2c4b928bae7ee3681c6d8603f6c07f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba254483bdcfe1c536faa2f14111fae5325e52f0103dd0a519c340cbe435d0f6
[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" "ba254483bdcfe1c536faa2f14111fae5325e52f0103dd0a519c340cbe435d0f6", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking conllx v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_string` found for struct `Features` in the current scope
[INFO] [stdout]   --> benches/features.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let features = Features::from_string(*f_str);
[INFO] [stdout]    |                                      ^^^^^^^^^^^ function or associated item not found in `Features`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conllx`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ba254483bdcfe1c536faa2f14111fae5325e52f0103dd0a519c340cbe435d0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba254483bdcfe1c536faa2f14111fae5325e52f0103dd0a519c340cbe435d0f6", kill_on_drop: false }`
[INFO] [stdout] ba254483bdcfe1c536faa2f14111fae5325e52f0103dd0a519c340cbe435d0f6