[INFO] fetching crate conllx 0.12.1...
[INFO] checking conllx-0.12.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate conllx 0.12.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate conllx 0.12.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d9c24f041273091bed7f59b1317b60393e6438debdb4701382e610e4e77130
[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" "37d9c24f041273091bed7f59b1317b60393e6438debdb4701382e610e4e77130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d9c24f041273091bed7f59b1317b60393e6438debdb4701382e610e4e77130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d9c24f041273091bed7f59b1317b60393e6438debdb4701382e610e4e77130", kill_on_drop: false }`
[INFO] [stdout] 37d9c24f041273091bed7f59b1317b60393e6438debdb4701382e610e4e77130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e124c26aae661c6a5b83d9a4a657d2d1eb5bab6c734f27a827f11a6084fb9cd3
[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" "e124c26aae661c6a5b83d9a4a657d2d1eb5bab6c734f27a827f11a6084fb9cd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[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" "e124c26aae661c6a5b83d9a4a657d2d1eb5bab6c734f27a827f11a6084fb9cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e124c26aae661c6a5b83d9a4a657d2d1eb5bab6c734f27a827f11a6084fb9cd3", kill_on_drop: false }`
[INFO] [stdout] e124c26aae661c6a5b83d9a4a657d2d1eb5bab6c734f27a827f11a6084fb9cd3