[INFO] cloning repository https://github.com/uscomics/us-comics-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uscomics/us-comics-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuscomics%2Fus-comics-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuscomics%2Fus-comics-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e94547ed43074a9a48b875230977473c71d3c127
[INFO] checking uscomics/us-comics-server against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuscomics%2Fus-comics-server" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uscomics/us-comics-server on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb0add35f70a4a8a91d0f7daf6b9f719c478b20b7db9653436c0d2bf5b14ce3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6fb0add35f70a4a8a91d0f7daf6b9f719c478b20b7db9653436c0d2bf5b14ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb0add35f70a4a8a91d0f7daf6b9f719c478b20b7db9653436c0d2bf5b14ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb0add35f70a4a8a91d0f7daf6b9f719c478b20b7db9653436c0d2bf5b14ce3", kill_on_drop: false }`
[INFO] [stdout] 6fb0add35f70a4a8a91d0f7daf6b9f719c478b20b7db9653436c0d2bf5b14ce3
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a11815cf0113db79d55e792b58af242bb9bd247dc723ef63982c3128e04d268
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a11815cf0113db79d55e792b58af242bb9bd247dc723ef63982c3128e04d268", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking hostname v0.3.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking handlebars v3.2.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking us-comics-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     server::Server::start().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=ba3eee6efdeadfa5 -C extra-filename=-ba3eee6efdeadfa5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-43e67620ab2b1677.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-0495410133af4b3d.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-6405425dfcc3a486.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-9bcb91f4c4d6ba14.rmeta --extern handlebars=/opt/rustwide/target/debug/deps/libhandlebars-cbb01120ca649465.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-8e23c5b6290f99f4.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-d92d7b5027acde58.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-e5fa662a9f57ad05.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-38b91ae2ace6519a.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-9cfba3b4075aad09.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b51de761c93e1a99.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-05a4c6cd4e3e4091.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fd8f484bb81c90e4.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-9a061261abd78e3f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-69e9a4a193de07a3.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-2282e99fa9561f02.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-2f4dd51acdaddd85/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4a11815cf0113db79d55e792b58af242bb9bd247dc723ef63982c3128e04d268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a11815cf0113db79d55e792b58af242bb9bd247dc723ef63982c3128e04d268", kill_on_drop: false }`
[INFO] [stdout] 4a11815cf0113db79d55e792b58af242bb9bd247dc723ef63982c3128e04d268