[INFO] fetching crate rustana 0.0.2...
[INFO] checking rustana-0.0.2 against beta for pr-78714
[INFO] extracting crate rustana 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustana 0.0.2 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 crates.io crate rustana 0.0.2
[INFO] finished tweaking crates.io crate rustana 0.0.2
[INFO] tweaked toml for crates.io crate rustana 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da01ca4639e1f693246e3bba93e6ff77d8142be06eba92bf7c468c642ddcde5
[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" "4da01ca4639e1f693246e3bba93e6ff77d8142be06eba92bf7c468c642ddcde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da01ca4639e1f693246e3bba93e6ff77d8142be06eba92bf7c468c642ddcde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da01ca4639e1f693246e3bba93e6ff77d8142be06eba92bf7c468c642ddcde5", kill_on_drop: false }`
[INFO] [stdout] 4da01ca4639e1f693246e3bba93e6ff77d8142be06eba92bf7c468c642ddcde5
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efa1f8e812839d61cd8bd0add8a6f9933688ef9f470ca633577603e8b93fbe71
[INFO] running `Command { std: "docker" "start" "-a" "efa1f8e812839d61cd8bd0add8a6f9933688ef9f470ca633577603e8b93fbe71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustana v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:93
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_dashboard_by_id(base_url: &str, token: &str, _id: &str) -> Result<RootInterface, Box<Error>>  {
[INFO] [stdout]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:125
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn create_or_update_dashboard(base_url: &str, token: &str, dashboard: RootInterface) -> Result<MutateDashboardResponse, Box<Error>> {
[INFO] [stdout]    |                                                                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:83
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_dashboard_by_id(&mut self, _id: &str) -> Result<RootInterface, Box<Error>> {
[INFO] [stdout]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:117
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn update_dashboard_by_id(&mut self, _id: &str, panels: Vec<Panels>) -> Result<MutateDashboardResponse, Box<Error>> {
[INFO] [stdout]    |                                                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:93
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_dashboard_by_id(base_url: &str, token: &str, _id: &str) -> Result<RootInterface, Box<Error>>  {
[INFO] [stdout]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:125
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn create_or_update_dashboard(base_url: &str, token: &str, dashboard: RootInterface) -> Result<MutateDashboardResponse, Box<Error>> {
[INFO] [stdout]    |                                                                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:83
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_dashboard_by_id(&mut self, _id: &str) -> Result<RootInterface, Box<Error>> {
[INFO] [stdout]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:117
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn update_dashboard_by_id(&mut self, _id: &str, panels: Vec<Panels>) -> Result<MutateDashboardResponse, Box<Error>> {
[INFO] [stdout]    |                                                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustana`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "efa1f8e812839d61cd8bd0add8a6f9933688ef9f470ca633577603e8b93fbe71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa1f8e812839d61cd8bd0add8a6f9933688ef9f470ca633577603e8b93fbe71", kill_on_drop: false }`
[INFO] [stdout] efa1f8e812839d61cd8bd0add8a6f9933688ef9f470ca633577603e8b93fbe71