[INFO] fetching crate folia 0.0.6...
[INFO] checking folia-0.0.6 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate folia 0.0.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate folia 0.0.6 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folia 0.0.6
[INFO] finished tweaking crates.io crate folia 0.0.6
[INFO] tweaked toml for crates.io crate folia 0.0.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate folia 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 11584de14b0468586e2e1b7fb0a7fc9436d6d6bb1bbe74495d4f104709833059
[INFO] running `Command { std: "docker" "start" "-a" "11584de14b0468586e2e1b7fb0a7fc9436d6d6bb1bbe74495d4f104709833059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11584de14b0468586e2e1b7fb0a7fc9436d6d6bb1bbe74495d4f104709833059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11584de14b0468586e2e1b7fb0a7fc9436d6d6bb1bbe74495d4f104709833059", kill_on_drop: false }`
[INFO] [stdout] 11584de14b0468586e2e1b7fb0a7fc9436d6d6bb1bbe74495d4f104709833059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8fc5cd3d9f5463a951e6acd1d9d4aaadbc09a2eb987fc2a4e55991aa3a946d4
[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" "c8fc5cd3d9f5463a951e6acd1d9d4aaadbc09a2eb987fc2a4e55991aa3a946d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking folia v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `word2`
[INFO] [stdout]    --> tests/main.rs:921:17
[INFO] [stdout]     |
[INFO] [stdout] 921 |             let word2 = doc.annotate(sentence,
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_word2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.54s
[INFO] running `Command { std: "docker" "inspect" "c8fc5cd3d9f5463a951e6acd1d9d4aaadbc09a2eb987fc2a4e55991aa3a946d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fc5cd3d9f5463a951e6acd1d9d4aaadbc09a2eb987fc2a4e55991aa3a946d4", kill_on_drop: false }`
[INFO] [stdout] c8fc5cd3d9f5463a951e6acd1d9d4aaadbc09a2eb987fc2a4e55991aa3a946d4