[INFO] updating cached repository https://github.com/uscomics/us-comics-server
[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] 1c32fa5ec35ec3070a2d0959b0661adaeb6333bf
[INFO] checking uscomics/us-comics-server against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuscomics%2Fus-comics-server" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uscomics/us-comics-server on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/uscomics/us-comics-server
[INFO] finished tweaking git repo https://github.com/uscomics/us-comics-server
[INFO] tweaked toml for git repo https://github.com/uscomics/us-comics-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/uscomics/us-comics-server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] f97b0e71ab24e0762dc26cb1538a58c91eaa4adccf29f9dae64df310a739cedf
[INFO] running `"docker" "start" "-a" "f97b0e71ab24e0762dc26cb1538a58c91eaa4adccf29f9dae64df310a739cedf"`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking hostname v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking us-comics-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/server.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{error::Error, io};
[INFO] [stderr]   |                         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/util/server_status.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         ;
[INFO] [stderr]     |         ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/server.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{error::Error, io};
[INFO] [stderr]   |                         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut req_body = req.body();
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut response: http::response::Response<String> = http::response::Response::builder()
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     server::Server::start().await;
[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 variable: `service`
[INFO] [stderr]    --> src/server.rs:260:16
[INFO] [stderr]     |
[INFO] [stderr] 260 |             Ok(service) => assert_eq!(true, false),
[INFO] [stderr]     |                ^^^^^^^ help: consider prefixing with an underscore: `_service`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/server.rs:264:16
[INFO] [stderr]     |
[INFO] [stderr] 264 |             Ok(service) => assert_eq!(true, false),
[INFO] [stderr]     |                ^^^^^^^ help: consider prefixing with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/server.rs:268:16
[INFO] [stderr]     |
[INFO] [stderr] 268 |             Ok(service) => assert_eq!(true, false),
[INFO] [stderr]     |                ^^^^^^^ help: consider prefixing with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/server.rs:272:16
[INFO] [stderr]     |
[INFO] [stderr] 272 |             Ok(service) => assert_eq!(true, false),
[INFO] [stderr]     |                ^^^^^^^ help: consider prefixing with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `us-comics-server`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name us_comics_server --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=6b98b73817dd0a68 -C extra-filename=-6b98b73817dd0a68 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-99ad1ebf0b5e8a7b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c1fb35082dd9176e.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-383c5e3ea655b586.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f5c6f08de62146fc.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-f3fee87c501919a3.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-439c5a02b0c6bca7.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-aac0db8de2ad1c1e.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-90262d90359e35ec.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-0da48f38445e7692.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9fdb54e8d1f02125.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-db82a847a3908104.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8ef2109b26a4b48e.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-05eadb8cfd21fd55.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-53c6dbe8e0d268b6.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-8815d87a8397421c.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-d1d0158a60c91de4/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f97b0e71ab24e0762dc26cb1538a58c91eaa4adccf29f9dae64df310a739cedf"`
[INFO] running `"docker" "rm" "-f" "f97b0e71ab24e0762dc26cb1538a58c91eaa4adccf29f9dae64df310a739cedf"`
[INFO] [stdout] f97b0e71ab24e0762dc26cb1538a58c91eaa4adccf29f9dae64df310a739cedf