[INFO] updating cached repository https://github.com/oreganoli/papegen
[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] b47061fc7a930030f73f3fe61a31b62fb2f6f266
[INFO] checking oreganoli/papegen against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foreganoli%2Fpapegen" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oreganoli/papegen 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/oreganoli/papegen
[INFO] finished tweaking git repo https://github.com/oreganoli/papegen
[INFO] tweaked toml for git repo https://github.com/oreganoli/papegen written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/oreganoli/papegen 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 48ffa0db840db046e6c41ce092140ffb67e6203a2f2d9a92f6c6853b36ce60f4
[INFO] running `"docker" "start" "-a" "48ffa0db840db046e6c41ce092140ffb67e6203a2f2d9a92f6c6853b36ce60f4"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand v0.7.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking notify v4.0.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking colorvomit v0.1.0 (https://github.com/oreganoli/colorvomit/#b77f4474)
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking papegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ResponseBuilder`
[INFO] [stderr]  --> src/main.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rocket::response::{Redirect, ResponseBuilder};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ResponseBuilder`
[INFO] [stderr]  --> src/main.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rocket::response::{Redirect, ResponseBuilder};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             im.write_to(&mut bytes, ImageFormat::PNG);
[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:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             im.write_to(&mut bytes, ImageFormat::PNG);
[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 22s
[INFO] running `"docker" "inspect" "48ffa0db840db046e6c41ce092140ffb67e6203a2f2d9a92f6c6853b36ce60f4"`
[INFO] running `"docker" "rm" "-f" "48ffa0db840db046e6c41ce092140ffb67e6203a2f2d9a92f6c6853b36ce60f4"`
[INFO] [stdout] 48ffa0db840db046e6c41ce092140ffb67e6203a2f2d9a92f6c6853b36ce60f4