[INFO] cloning repository https://github.com/jfschaefer/rust-senna
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfschaefer/rust-senna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfschaefer%2Frust-senna"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfschaefer%2Frust-senna'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff14b50b3cfae48cfa278b477c63245285ef0f6c
[INFO] checking jfschaefer/rust-senna against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfschaefer%2Frust-senna" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  42% (38/90)   
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[INFO] validating manifest of git repo https://github.com/jfschaefer/rust-senna on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jfschaefer/rust-senna
[INFO] finished tweaking git repo https://github.com/jfschaefer/rust-senna
[INFO] tweaked toml for git repo https://github.com/jfschaefer/rust-senna written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jfschaefer/rust-senna already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6e6180cf2023a20e98509aaa24565cf08985a21546e64d978dce4568630139d
[INFO] running `"docker" "start" "-a" "e6e6180cf2023a20e98509aaa24565cf08985a21546e64d978dce4568630139d"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rust-senna v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `sentence`
[INFO] [stderr]   --> tests/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let sentence = senna.parse("Let mathformula be a finitely generated group of subexponential growth (e.g., mathformula); let mathformula be a finite set of generators for mathformula (e.g., the von Neumann or Moore neighborhood) and let mathformula be the set of reduced words on mathformula having at most length mathformula; let mathformula, and let mathformula be the quotient of mathformula with respect to the equivalence relation mathformula endowed with the topology induced by the distance mathformula Let mathformula be a cellular automaton over mathformula having set of states mathformula.  1.  mathformula induces in a natural way a Lipschitz continuous mathformula.  2.  mathformula is surjective if and only if mathformula is surjective.  3.  mathformula is injective if and only if it is invertible.", SennaParseOptions { pos: true, psg: true, });
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "e6e6180cf2023a20e98509aaa24565cf08985a21546e64d978dce4568630139d"`
[INFO] running `"docker" "rm" "-f" "e6e6180cf2023a20e98509aaa24565cf08985a21546e64d978dce4568630139d"`
[INFO] [stdout] e6e6180cf2023a20e98509aaa24565cf08985a21546e64d978dce4568630139d