[INFO] crate nemo 0.2.1 is already in cache [INFO] testing nemo-0.2.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate nemo 0.2.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate nemo 0.2.1 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 crates.io crate nemo 0.2.1 [INFO] finished tweaking crates.io crate nemo 0.2.1 [INFO] tweaked toml for crates.io crate nemo 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cd04ceb459085ace8c18820369080d2cd0f368ee5898086f4d4c4bb5c3ba7211 [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" "cd04ceb459085ace8c18820369080d2cd0f368ee5898086f4d4c4bb5c3ba7211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd04ceb459085ace8c18820369080d2cd0f368ee5898086f4d4c4bb5c3ba7211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd04ceb459085ace8c18820369080d2cd0f368ee5898086f4d4c4bb5c3ba7211", kill_on_drop: false }` [INFO] [stdout] cd04ceb459085ace8c18820369080d2cd0f368ee5898086f4d4c4bb5c3ba7211 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 48383abb38402858aebdb669c2cc09a1ea2121034fc2402a27e6f03e14b3fbb8 [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" "48383abb38402858aebdb669c2cc09a1ea2121034fc2402a27e6f03e14b3fbb8", kill_on_drop: false }` [INFO] [stderr] Compiling nemo v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: `impl Trait for .. {}` is an obsolete syntax [INFO] [stdout] --> src/session_types/choose.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | impl NotSame for .. { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: use `auto trait Trait {}` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/session_types/choose.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | impl !NotSame for (A, A) { } [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Channel` [INFO] [stdout] --> src/channels.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use super::{Channel, Protocol, Transfers, IO}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nemo`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "48383abb38402858aebdb669c2cc09a1ea2121034fc2402a27e6f03e14b3fbb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48383abb38402858aebdb669c2cc09a1ea2121034fc2402a27e6f03e14b3fbb8", kill_on_drop: false }` [INFO] [stdout] 48383abb38402858aebdb669c2cc09a1ea2121034fc2402a27e6f03e14b3fbb8