[INFO] updating cached repository https://github.com/largon21/RocketRust
[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] [stderr] From https://github.com/largon21/RocketRust
[INFO] [stderr]    3a2c647..1508b41  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1508b4127d05ca76d881a4a84f4938ee34581e27
[INFO] checking largon21/RocketRust against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flargon21%2FRocketRust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/largon21/RocketRust 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/largon21/RocketRust
[INFO] finished tweaking git repo https://github.com/largon21/RocketRust
[INFO] tweaked toml for git repo https://github.com/largon21/RocketRust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/largon21/RocketRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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] 9b15f2486da96157158f0cc5d248d00f290f33550c21543cf60bd09a7485a666
[INFO] running `"docker" "start" "-a" "9b15f2486da96157158f0cc5d248d00f290f33550c21543cf60bd09a7485a666"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.3
[INFO] [stderr]    Compiling rocket v0.4.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rocket_http v0.4.3
[INFO] [stderr]    Compiling cookie v0.11.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking bcrypt v0.6.3
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking rocket_contrib v0.4.3
[INFO] [stderr]     Checking hello-rocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/templates.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut username: String = format!("");
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/templates.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut username: String = format!("");
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Username`
[INFO] [stderr]   --> src/templates.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Username(String);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/templates.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut username: String = format!("");
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/templates.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut username: String = format!("");
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Username`
[INFO] [stderr]   --> src/templates.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Username(String);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `"docker" "inspect" "9b15f2486da96157158f0cc5d248d00f290f33550c21543cf60bd09a7485a666"`
[INFO] running `"docker" "rm" "-f" "9b15f2486da96157158f0cc5d248d00f290f33550c21543cf60bd09a7485a666"`
[INFO] [stdout] 9b15f2486da96157158f0cc5d248d00f290f33550c21543cf60bd09a7485a666