[INFO] updating cached repository https://github.com/soaxelbrooke/phrase
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28d21cc95b34ea0e86a6cf152284a159ba37a3d9
[INFO] checking soaxelbrooke/phrase against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soaxelbrooke/phrase on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] finished tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] tweaked toml for git repo https://github.com/soaxelbrooke/phrase written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/soaxelbrooke/phrase already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 61d826ec3d62c8d8a44325adbc18c815a400b996262959ac6155468e2b138ff8
[INFO] running `"docker" "start" "-a" "61d826ec3d62c8d8a44325adbc18c815a400b996262959ac6155468e2b138ff8"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking notify v4.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking phrase v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:616:21
[INFO] [stderr]     |
[INFO] [stderr] 616 |                     ngrams[position].try_push_str(&delim);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:616:21
[INFO] [stderr]     |
[INFO] [stderr] 616 |                     ngrams[position].try_push_str(&delim);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "61d826ec3d62c8d8a44325adbc18c815a400b996262959ac6155468e2b138ff8"`
[INFO] running `"docker" "rm" "-f" "61d826ec3d62c8d8a44325adbc18c815a400b996262959ac6155468e2b138ff8"`
[INFO] [stdout] 61d826ec3d62c8d8a44325adbc18c815a400b996262959ac6155468e2b138ff8