[INFO] fetching crate treescript-interpreter 0.1.1... [INFO] testing treescript-interpreter-0.1.1 against 1.45.2 for beta-1.46-1 [INFO] extracting crate treescript-interpreter 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate treescript-interpreter 0.1.1 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate treescript-interpreter 0.1.1 [INFO] finished tweaking crates.io crate treescript-interpreter 0.1.1 [INFO] tweaked toml for crates.io crate treescript-interpreter 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54eaf2607d3e12d43ccabc8a8b214acc3905eee743445df9a4a4d728f305b68a [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" "54eaf2607d3e12d43ccabc8a8b214acc3905eee743445df9a4a4d728f305b68a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54eaf2607d3e12d43ccabc8a8b214acc3905eee743445df9a4a4d728f305b68a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54eaf2607d3e12d43ccabc8a8b214acc3905eee743445df9a4a4d728f305b68a", kill_on_drop: false }` [INFO] [stdout] 54eaf2607d3e12d43ccabc8a8b214acc3905eee743445df9a4a4d728f305b68a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f25325634237239ec9c0f94ecae355daadbee9d38ef7a311f9ee6933cdf3acb [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" "4f25325634237239ec9c0f94ecae355daadbee9d38ef7a311f9ee6933cdf3acb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.37 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling array-macro v1.0.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling enum-map-internals v0.1.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling unicode_reader v0.1.1 [INFO] [stderr] Compiling app_dirs v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling enum-map-derive v0.4.3 [INFO] [stderr] Compiling serde_repr v0.1.6 [INFO] [stderr] Compiling enum-map v0.5.0 [INFO] [stderr] Compiling rmp-serde v0.13.7 [INFO] [stderr] Compiling serde_yaml v0.8.13 [INFO] [stderr] Compiling treescript-interpreter v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(refcell_map_split, generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:214:64 [INFO] [stdout] | [INFO] [stdout] 214 | pub fn read_ast>(&self, input_path: P) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:233:57 [INFO] [stdout] | [INFO] [stdout] 233 | pub fn write_ast(&self, output_path: PathBuf) -> (Box, AtomicFileCommit) { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `G` in the current scope [INFO] [stdout] --> src/util.rs:52:27 [INFO] [stdout] | [INFO] [stdout] 52 | match unsafe { self.0.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] help: the following trait defines an item `resume`, perhaps you need to restrict type parameter `G` with it: [INFO] [stdout] | [INFO] [stdout] 45 | impl Iterator for GeneratorIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [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 `treescript-interpreter`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "4f25325634237239ec9c0f94ecae355daadbee9d38ef7a311f9ee6933cdf3acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f25325634237239ec9c0f94ecae355daadbee9d38ef7a311f9ee6933cdf3acb", kill_on_drop: false }` [INFO] [stdout] 4f25325634237239ec9c0f94ecae355daadbee9d38ef7a311f9ee6933cdf3acb