[INFO] crate osaka 0.3.0 is already in cache
[INFO] testing osaka-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate osaka 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate osaka 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate osaka 0.3.0
[INFO] finished tweaking crates.io crate osaka 0.3.0
[INFO] tweaked toml for crates.io crate osaka 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 717e9489b4025d086bc3714c445f4f7cf0b2eeb911d4daec41810f6ec842eeb8
[INFO] running `"docker" "start" "-a" "717e9489b4025d086bc3714c445f4f7cf0b2eeb911d4daec41810f6ec842eeb8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling osaka-macros v0.2.10
[INFO] [stderr]    Compiling osaka v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(generators, generator_trait, register_attr)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(termination_trait_lib)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `warn`
[INFO] [stderr]   --> src/lib.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use log::{warn, debug};
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:16
[INFO] [stderr]     |
[INFO] [stderr] 216 |         f: Box<Future<R>>,
[INFO] [stderr]     |                ^^^^^^^^^ help: use `dyn`: `dyn Future<R>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:307:23
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn new(f: Box<Future<R>>, a: Again) -> Self {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Future<R>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/lib.rs:125:30
[INFO] [stderr]     |
[INFO] [stderr] 125 |         match Pin::new(self).resume() {
[INFO] [stderr]     |                              ^^^^^^- supplied 0 arguments
[INFO] [stderr]     |
[INFO] [stderr] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stderr]     |
[INFO] [stderr] 125 |         match Pin::new(self).resume(()) {
[INFO] [stderr]     |                                     ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `osaka`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "717e9489b4025d086bc3714c445f4f7cf0b2eeb911d4daec41810f6ec842eeb8"`
[INFO] running `"docker" "rm" "-f" "717e9489b4025d086bc3714c445f4f7cf0b2eeb911d4daec41810f6ec842eeb8"`
[INFO] [stdout] 717e9489b4025d086bc3714c445f4f7cf0b2eeb911d4daec41810f6ec842eeb8