[INFO] fetching crate coroutine 0.8.0...
[INFO] testing coroutine-0.8.0 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate coroutine 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate coroutine 0.8.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coroutine 0.8.0
[INFO] finished tweaking crates.io crate coroutine 0.8.0
[INFO] tweaked toml for crates.io crate coroutine 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding context v1.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding env_logger v0.4.3 (available: v0.11.5)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44e40eec664da23eeba5b9045901c42a9793a3fcf3a7e09eec4409b9ffc58f3
[INFO] running `Command { std: "docker" "start" "-a" "b44e40eec664da23eeba5b9045901c42a9793a3fcf3a7e09eec4409b9ffc58f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44e40eec664da23eeba5b9045901c42a9793a3fcf3a7e09eec4409b9ffc58f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44e40eec664da23eeba5b9045901c42a9793a3fcf3a7e09eec4409b9ffc58f3", kill_on_drop: false }`
[INFO] [stdout] b44e40eec664da23eeba5b9045901c42a9793a3fcf3a7e09eec4409b9ffc58f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5854b592371e091f7bf9a252b105efce1885bb1ebc584dafe36af4a225204c5c
[INFO] running `Command { std: "docker" "start" "-a" "5854b592371e091f7bf9a252b105efce1885bb1ebc584dafe36af4a225204c5c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]    Compiling coroutine v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]   --> src/asymmetric.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::boxed::FnBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:78:39
[INFO] [stdout]    |
[INFO] [stdout] 78 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `fnbox`
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(fnbox)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/asymmetric.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 | type Thunk<'a> = Box<FnBox(&mut Coroutine, usize) -> usize + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | type Thunk<'a> = Box<dyn FnBox(&mut Coroutine, usize) -> usize + 'a>;
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/asymmetric.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |     panicked_error: Option<Box<Any + Send + 'static>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     panicked_error: Option<Box<dyn Any + Send + 'static>>,
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coroutine` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5854b592371e091f7bf9a252b105efce1885bb1ebc584dafe36af4a225204c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5854b592371e091f7bf9a252b105efce1885bb1ebc584dafe36af4a225204c5c", kill_on_drop: false }`
[INFO] [stdout] 5854b592371e091f7bf9a252b105efce1885bb1ebc584dafe36af4a225204c5c
