[INFO] fetching crate folia 0.0.5...
[INFO] checking folia-0.0.5 against beta for pr-78714
[INFO] extracting crate folia 0.0.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate folia 0.0.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folia 0.0.5
[INFO] finished tweaking crates.io crate folia 0.0.5
[INFO] tweaked toml for crates.io crate folia 0.0.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate folia 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82834b68ec2a25afa8c0db2de108d39bbdb2f5ec8bc99ecdfa8f25e9293df8fc
[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" "82834b68ec2a25afa8c0db2de108d39bbdb2f5ec8bc99ecdfa8f25e9293df8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82834b68ec2a25afa8c0db2de108d39bbdb2f5ec8bc99ecdfa8f25e9293df8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82834b68ec2a25afa8c0db2de108d39bbdb2f5ec8bc99ecdfa8f25e9293df8fc", kill_on_drop: false }`
[INFO] [stdout] 82834b68ec2a25afa8c0db2de108d39bbdb2f5ec8bc99ecdfa8f25e9293df8fc
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 4963721e41507ccbd92a5d62e8319aa9590d54a78d19a0e2b9b4a04591597696
[INFO] running `Command { std: "docker" "start" "-a" "4963721e41507ccbd92a5d62e8319aa9590d54a78d19a0e2b9b4a04591597696", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking folia v0.0.5 (/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 26.09s
[INFO] running `Command { std: "docker" "inspect" "4963721e41507ccbd92a5d62e8319aa9590d54a78d19a0e2b9b4a04591597696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4963721e41507ccbd92a5d62e8319aa9590d54a78d19a0e2b9b4a04591597696", kill_on_drop: false }`
[INFO] [stdout] 4963721e41507ccbd92a5d62e8319aa9590d54a78d19a0e2b9b4a04591597696