[INFO] updating cached repository https://github.com/ottiker/flow_rust [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 66f431feebb31ca3d86be857430a5b9e963855d6 [INFO] testing ottiker/flow_rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fottiker%2Fflow_rust" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ottiker/flow_rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ottiker/flow_rust [INFO] removed path dependency flow from git repo https://github.com/ottiker/flow_rust [INFO] finished tweaking git repo https://github.com/ottiker/flow_rust [INFO] tweaked toml for git repo https://github.com/ottiker/flow_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/ottiker/flow_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (flow) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (flow) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3ac9144b6286c4c9890c1cef30b65ac110d5f80e6ee4cf075e571046fd89712a [INFO] running `"docker" "start" "-a" "3ac9144b6286c4c9890c1cef30b65ac110d5f80e6ee4cf075e571046fd89712a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: dependency (flow) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Compiling strsim v0.5.2 [INFO] [stderr] Compiling ncurses v5.99.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling docopt v0.6.86 [INFO] [stderr] Compiling flow v0.3.5 [INFO] [stderr] error[E0658]: use of unstable library feature 'option_result_contains' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flow-0.3.5/src/ui/input.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | if name.contains('^') { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #62358 for more information [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flow-0.3.5/src/ui/input.rs:93:26 [INFO] [stderr] | [INFO] [stderr] 93 | if name.contains('^') { [INFO] [stderr] | ^^^ [INFO] [stderr] | | [INFO] [stderr] | expected reference, found `char` [INFO] [stderr] | help: consider borrowing here: `&'^'` [INFO] [stderr] | [INFO] [stderr] = note: expected reference `&_` [INFO] [stderr] found type `char` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `chars` found for enum `std::option::Option` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flow-0.3.5/src/ui/input.rs:95:40 [INFO] [stderr] | [INFO] [stderr] 95 | let value = Key::Char(name.chars().last().unwrap()); [INFO] [stderr] | ^^^^^ method not found in `std::option::Option` [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `flow`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3ac9144b6286c4c9890c1cef30b65ac110d5f80e6ee4cf075e571046fd89712a"` [INFO] running `"docker" "rm" "-f" "3ac9144b6286c4c9890c1cef30b65ac110d5f80e6ee4cf075e571046fd89712a"` [INFO] [stdout] 3ac9144b6286c4c9890c1cef30b65ac110d5f80e6ee4cf075e571046fd89712a