[INFO] cloning repository https://github.com/viking/jamville
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viking/jamville" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviking%2Fjamville", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviking%2Fjamville'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ed759ea74690d9e5e7b6148e979a730d03958b0
[INFO] checking viking/jamville against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviking%2Fjamville" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viking/jamville 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/viking/jamville
[INFO] finished tweaking git repo https://github.com/viking/jamville
[INFO] tweaked toml for git repo https://github.com/viking/jamville written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/viking/jamville 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 93c3c085289df4240970af46b51dcea0ca975a3bb6ab990d2c4c4df38faf456f
[INFO] running `Command { std: "docker" "start" "-a" "93c3c085289df4240970af46b51dcea0ca975a3bb6ab990d2c4c4df38faf456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c3c085289df4240970af46b51dcea0ca975a3bb6ab990d2c4c4df38faf456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c3c085289df4240970af46b51dcea0ca975a3bb6ab990d2c4c4df38faf456f", kill_on_drop: false }`
[INFO] [stdout] 93c3c085289df4240970af46b51dcea0ca975a3bb6ab990d2c4c4df38faf456f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 708eb2f169582bcd25d1d13d56278dfd42e886883abf212458e94511214300f3
[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" "708eb2f169582bcd25d1d13d56278dfd42e886883abf212458e94511214300f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-xml-rs v0.2.1 (https://github.com/RReverser/serde-xml-rs#551c78d1)
[INFO] [stderr]     Checking jamville v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `WayDirection`
[INFO] [stdout]    --> src/entities.rs:132:6
[INFO] [stdout]     |
[INFO] [stdout] 132 | enum WayDirection {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_path`
[INFO] [stdout]    --> src/entities.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn find_path(&self, start_id: i64, end_id: i64) -> Option<Vec<i64>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.95s
[INFO] running `Command { std: "docker" "inspect" "708eb2f169582bcd25d1d13d56278dfd42e886883abf212458e94511214300f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708eb2f169582bcd25d1d13d56278dfd42e886883abf212458e94511214300f3", kill_on_drop: false }`
[INFO] [stdout] 708eb2f169582bcd25d1d13d56278dfd42e886883abf212458e94511214300f3