[INFO] cloning repository https://github.com/ttekun/gmocoin-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttekun/gmocoin-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttekun%2Fgmocoin-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttekun%2Fgmocoin-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38d06734ad67e6853db487da16091294dbd7c03a
[INFO] checking ttekun/gmocoin-rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttekun%2Fgmocoin-rust" "/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/ttekun/gmocoin-rust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttekun/gmocoin-rust
[INFO] finished tweaking git repo https://github.com/ttekun/gmocoin-rust
[INFO] tweaked toml for git repo https://github.com/ttekun/gmocoin-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ttekun/gmocoin-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d54ec1b4ace7748ef7294cc79de7f95563fd612230f9eafb9e90e1c1b02f7e5
[INFO] running `Command { std: "docker" "start" "-a" "2d54ec1b4ace7748ef7294cc79de7f95563fd612230f9eafb9e90e1c1b02f7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d54ec1b4ace7748ef7294cc79de7f95563fd612230f9eafb9e90e1c1b02f7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d54ec1b4ace7748ef7294cc79de7f95563fd612230f9eafb9e90e1c1b02f7e5", kill_on_drop: false }`
[INFO] [stdout] 2d54ec1b4ace7748ef7294cc79de7f95563fd612230f9eafb9e90e1c1b02f7e5
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5554df633bf735b344879fab87b42c3294f1bb3b3a0dac51a6982362f42acd6b
[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" "5554df633bf735b344879fab87b42c3294f1bb3b3a0dac51a6982362f42acd6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.19
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tungstenite v0.9.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking gmocoin-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let (mut socket, response) =
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let (mut socket, response) =
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "5554df633bf735b344879fab87b42c3294f1bb3b3a0dac51a6982362f42acd6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5554df633bf735b344879fab87b42c3294f1bb3b3a0dac51a6982362f42acd6b", kill_on_drop: false }`
[INFO] [stdout] 5554df633bf735b344879fab87b42c3294f1bb3b3a0dac51a6982362f42acd6b