[INFO] updating cached repository https://github.com/MindFlavor/prometheus_exporter_base [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/MindFlavor/prometheus_exporter_base [INFO] [stderr] 87295e1..3ead516 dev -> dev [INFO] [stderr] c4abf76..3ead516 master -> master [INFO] [stderr] * [new tag] 0.30.0 -> 0.30.0 [INFO] [stderr] * [new tag] 0.30.1 -> 0.30.1 [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3ead51623a86a176bebd2212673fb3ce50972bbd [INFO] checking MindFlavor/prometheus_exporter_base against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fprometheus_exporter_base" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MindFlavor/prometheus_exporter_base on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MindFlavor/prometheus_exporter_base [INFO] finished tweaking git repo https://github.com/MindFlavor/prometheus_exporter_base [INFO] tweaked toml for git repo https://github.com/MindFlavor/prometheus_exporter_base written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/MindFlavor/prometheus_exporter_base already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 20051cd0b9dc6bab854da98ecbeaa3958be8773477c653d4aaebed8db708896e [INFO] running `"docker" "start" "-a" "20051cd0b9dc6bab854da98ecbeaa3958be8773477c653d4aaebed8db708896e"` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking ring v0.16.9 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking http v0.1.20 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking num-complex v0.2.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki v0.21.0 [INFO] [stderr] Checking num-bigint v0.2.3 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Checking num-rational v0.2.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking rustls-native-certs v0.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tokio-rustls v0.12.0-alpha.8 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Checking hyper-rustls v0.19.0-alpha.3 [INFO] [stderr] Checking prometheus_exporter_base v0.30.1 (/opt/rustwide/workdir) [INFO] [stderr] error[E0465]: multiple rmeta candidates for `futures_util` found [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use futures_util::try_stream::TryStreamExt; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: candidate #1: /opt/rustwide/target/debug/deps/libfutures_util-744aef57faeb11c6.rmeta [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use futures_util::try_stream::TryStreamExt; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] note: candidate #2: /opt/rustwide/target/debug/deps/libfutures_util-06ddebbccb96efde.rmeta [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use futures_util::try_stream::TryStreamExt; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0463]: can't find crate for `futures_util` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use futures_util::try_stream::TryStreamExt; [INFO] [stderr] | ^^^^^^^^^^^^ can't find crate [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [INFO] [stderr] error: could not compile `prometheus_exporter_base`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "20051cd0b9dc6bab854da98ecbeaa3958be8773477c653d4aaebed8db708896e"` [INFO] running `"docker" "rm" "-f" "20051cd0b9dc6bab854da98ecbeaa3958be8773477c653d4aaebed8db708896e"` [INFO] [stdout] 20051cd0b9dc6bab854da98ecbeaa3958be8773477c653d4aaebed8db708896e