[INFO] updating cached repository https://github.com/FTP-rs/ftp-server-iold-rs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 37558eaf69d09d65141d3cf8649eba78ccc95b51 [INFO] testing FTP-rs/ftp-server-iold-rs against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-iold-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FTP-rs/ftp-server-iold-rs on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FTP-rs/ftp-server-iold-rs [INFO] finished tweaking git repo https://github.com/FTP-rs/ftp-server-iold-rs [INFO] tweaked toml for git repo https://github.com/FTP-rs/ftp-server-iold-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/FTP-rs/ftp-server-iold-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b883923d62927744dd0010c8340ad0391724750257ace4ddad4accd6aecda03 [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" "1b883923d62927744dd0010c8340ad0391724750257ace4ddad4accd6aecda03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b883923d62927744dd0010c8340ad0391724750257ace4ddad4accd6aecda03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b883923d62927744dd0010c8340ad0391724750257ace4ddad4accd6aecda03", kill_on_drop: false }` [INFO] [stdout] 1b883923d62927744dd0010c8340ad0391724750257ace4ddad4accd6aecda03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 08656a47b5dc778e74f90badc6be75ae8297d5d999eb05a9dfca3d2ae870f6b8 [INFO] running `Command { std: "docker" "start" "-a" "08656a47b5dc778e74f90badc6be75ae8297d5d999eb05a9dfca3d2ae870f6b8", kill_on_drop: false }` [INFO] [stderr] Compiling iold v0.1.0 (https://github.com/antoyo/iold#47f28d46) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `resume` found for struct `std::boxed::Box<(dyn std::ops::Generator + 'static)>` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:307:38 [INFO] [stdout] | [INFO] [stdout] 307 | match unsafe { generator.resume() } { [INFO] [stdout] | ^^^^^^ method not found in `std::boxed::Box<(dyn std::ops::Generator + 'static)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `G` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:325:38 [INFO] [stdout] | [INFO] [stdout] 325 | match unsafe { generator.resume() } { [INFO] [stdout] | ^^^^^^ method not found in `G` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the type parameter is bounded by the trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `resume` found for struct `std::boxed::Box>` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:335:49 [INFO] [stdout] | [INFO] [stdout] 335 | ... match unsafe { task.resume() } { [INFO] [stdout] | ^^^^^^ method not found in `std::boxed::Box>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `iold`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "08656a47b5dc778e74f90badc6be75ae8297d5d999eb05a9dfca3d2ae870f6b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08656a47b5dc778e74f90badc6be75ae8297d5d999eb05a9dfca3d2ae870f6b8", kill_on_drop: false }` [INFO] [stdout] 08656a47b5dc778e74f90badc6be75ae8297d5d999eb05a9dfca3d2ae870f6b8