[INFO] updating cached repository https://github.com/56quarters/donut
[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/56quarters/donut
[INFO] [stderr]    e9b90ac..d69900b  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d69900b0cff947d00a60bf31f006c5e08eaf1dbc
[INFO] checking 56quarters/donut against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F56quarters%2Fdonut" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/56quarters/donut on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/56quarters/donut
[INFO] finished tweaking git repo https://github.com/56quarters/donut
[INFO] tweaked toml for git repo https://github.com/56quarters/donut written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/56quarters/donut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2893c3167bdffd89e2ffdc1b3486e268be457672af942a5ddd0adcbab8eb4a98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2893c3167bdffd89e2ffdc1b3486e268be457672af942a5ddd0adcbab8eb4a98"`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.8.0
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking data-encoding-macro v0.1.7
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking trust-dns v0.17.0
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4 (https://github.com/hyperium/hyper.git#131962c8)
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking donut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/donut/request.rs:143:31
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub async fn parse(&self, req: &Request<Body>) -> DonutResult<DohRequest> {
[INFO] [stderr]     |                               ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/donut/request.rs:143:31
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub async fn parse(&self, req: &Request<Body>) -> DonutResult<DohRequest> {
[INFO] [stderr]     |                               ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `"docker" "inspect" "2893c3167bdffd89e2ffdc1b3486e268be457672af942a5ddd0adcbab8eb4a98"`
[INFO] running `"docker" "rm" "-f" "2893c3167bdffd89e2ffdc1b3486e268be457672af942a5ddd0adcbab8eb4a98"`
[INFO] [stdout] 2893c3167bdffd89e2ffdc1b3486e268be457672af942a5ddd0adcbab8eb4a98