[INFO] fetching crate roperator 0.2.1...
[INFO] checking roperator-0.2.1 against beta for pr-78714
[INFO] extracting crate roperator 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate roperator 0.2.1 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 roperator 0.2.1
[INFO] removed 1 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate roperator 0.2.1
[INFO] tweaked toml for crates.io crate roperator 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate roperator 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 74b58889ec990bd1ad6ef87b62738e31320aed94a86a5402424a3799c52c238e
[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" "74b58889ec990bd1ad6ef87b62738e31320aed94a86a5402424a3799c52c238e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b58889ec990bd1ad6ef87b62738e31320aed94a86a5402424a3799c52c238e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b58889ec990bd1ad6ef87b62738e31320aed94a86a5402424a3799c52c238e", kill_on_drop: false }`
[INFO] [stdout] 74b58889ec990bd1ad6ef87b62738e31320aed94a86a5402424a3799c52c238e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9ddbfe5e11eef0ae9ddc6f5cd5c90b9751c7a24ae3e950fe188f4f906735fab3
[INFO] running `Command { std: "docker" "start" "-a" "9ddbfe5e11eef0ae9ddc6f5cd5c90b9751c7a24ae3e950fe188f4f906735fab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling hyper-openssl v0.8.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling k8s-openapi v0.7.1
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-openssl v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking roperator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `roperator::handler::failable`
[INFO] [stdout]   --> examples/temp-namespace/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use roperator::handler::failable::{DefaultFailableHandler, FailableHandler, HandlerResult};
[INFO] [stdout]    |                         ^^^^^^^^ could not find `failable` in `handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roperator`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9ddbfe5e11eef0ae9ddc6f5cd5c90b9751c7a24ae3e950fe188f4f906735fab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddbfe5e11eef0ae9ddc6f5cd5c90b9751c7a24ae3e950fe188f4f906735fab3", kill_on_drop: false }`
[INFO] [stdout] 9ddbfe5e11eef0ae9ddc6f5cd5c90b9751c7a24ae3e950fe188f4f906735fab3