[INFO] fetching crate coroutine 0.8.0... [INFO] checking coroutine-0.8.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate coroutine 0.8.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate coroutine 0.8.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded context v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08e4c97aa0124b280e6176d060244b62f22202bb43af64ae8e6de608bad231e8 [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" "08e4c97aa0124b280e6176d060244b62f22202bb43af64ae8e6de608bad231e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08e4c97aa0124b280e6176d060244b62f22202bb43af64ae8e6de608bad231e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08e4c97aa0124b280e6176d060244b62f22202bb43af64ae8e6de608bad231e8", kill_on_drop: false }` [INFO] [stdout] 08e4c97aa0124b280e6176d060244b62f22202bb43af64ae8e6de608bad231e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 681ab35cd3aaea57d53571aa5608e5bbecc40ecb4ee75bbb84d1f11db87b6c6d [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" "681ab35cd3aaea57d53571aa5608e5bbecc40ecb4ee75bbb84d1f11db87b6c6d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling context v1.0.1 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking 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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/asymmetric.rs:41:22 [INFO] [stdout] | [INFO] [stdout] 41 | type Thunk<'a> = Box usize + 'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(&mut Coroutine, usize) -> usize + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:53:19 [INFO] [stdout] | [INFO] [stdout] 53 | Panicking(Box), [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:78:25 [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: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `coroutine` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "681ab35cd3aaea57d53571aa5608e5bbecc40ecb4ee75bbb84d1f11db87b6c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "681ab35cd3aaea57d53571aa5608e5bbecc40ecb4ee75bbb84d1f11db87b6c6d", kill_on_drop: false }` [INFO] [stdout] 681ab35cd3aaea57d53571aa5608e5bbecc40ecb4ee75bbb84d1f11db87b6c6d