[INFO] cloning repository https://github.com/hawx/trobble-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hawx/trobble-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawx%2Ftrobble-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawx%2Ftrobble-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17db6728b2e94c5e647a6959e2364354c7769cd5
[INFO] checking hawx/trobble-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawx%2Ftrobble-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawx/trobble-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hawx/trobble-rs
[INFO] finished tweaking git repo https://github.com/hawx/trobble-rs
[INFO] tweaked toml for git repo https://github.com/hawx/trobble-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hawx/trobble-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded actix v0.7.4
[INFO] [stderr]   Downloaded ipconfig v0.1.7
[INFO] [stderr]   Downloaded actix_derive v0.3.0
[INFO] [stderr]   Downloaded tokio-signal v0.2.5
[INFO] [stderr]   Downloaded rusqlite v0.14.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.9.1
[INFO] [stderr]   Downloaded actix-web v0.7.8
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.0
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[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded r2d2_sqlite v0.6.0
[INFO] [stderr]   Downloaded tokio v0.1.10
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e650aa84a9ae9df0e118cd3c06ca47894ee31ddda1fb70071c6238ba395eda9
[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" "6e650aa84a9ae9df0e118cd3c06ca47894ee31ddda1fb70071c6238ba395eda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e650aa84a9ae9df0e118cd3c06ca47894ee31ddda1fb70071c6238ba395eda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e650aa84a9ae9df0e118cd3c06ca47894ee31ddda1fb70071c6238ba395eda9", kill_on_drop: false }`
[INFO] [stdout] 6e650aa84a9ae9df0e118cd3c06ca47894ee31ddda1fb70071c6238ba395eda9
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3ee449002111e695e6ef27e2737fd8075c29bf97c9a8c31cb22cf10c47cf83
[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" "2b3ee449002111e695e6ef27e2737fd8075c29bf97c9a8c31cb22cf10c47cf83", kill_on_drop: false }`
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[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking tokio v0.1.10
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking actix v0.7.4
[INFO] [stderr]     Checking trobble-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/data_actor.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: RecentlyPlayedMessage, _: &mut Self::Context) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/server.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let server = HttpServer::new(move || {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `up`
[INFO] [stdout]   --> src/data.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn up(conn: &Connection) -> Result<usize, rusqlite::Error> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/data_actor.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: RecentlyPlayedMessage, _: &mut Self::Context) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/server.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let server = HttpServer::new(move || {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `up`
[INFO] [stdout]   --> src/data.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn up(conn: &Connection) -> Result<usize, rusqlite::Error> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "2b3ee449002111e695e6ef27e2737fd8075c29bf97c9a8c31cb22cf10c47cf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3ee449002111e695e6ef27e2737fd8075c29bf97c9a8c31cb22cf10c47cf83", kill_on_drop: false }`
[INFO] [stdout] 2b3ee449002111e695e6ef27e2737fd8075c29bf97c9a8c31cb22cf10c47cf83