[INFO] fetching crate context 2.1.0...
[INFO] testing context-2.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate context 2.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate context 2.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate context 2.1.0
[INFO] finished tweaking crates.io crate context 2.1.0
[INFO] tweaked toml for crates.io crate context 2.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88948c0a9e5f14c2a8a4799ea39d6743a79a1baa4d0b587cf75166a9e2b8afa3
[INFO] running `Command { std: "docker" "start" "-a" "88948c0a9e5f14c2a8a4799ea39d6743a79a1baa4d0b587cf75166a9e2b8afa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88948c0a9e5f14c2a8a4799ea39d6743a79a1baa4d0b587cf75166a9e2b8afa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88948c0a9e5f14c2a8a4799ea39d6743a79a1baa4d0b587cf75166a9e2b8afa3", kill_on_drop: false }`
[INFO] [stdout] 88948c0a9e5f14c2a8a4799ea39d6743a79a1baa4d0b587cf75166a9e2b8afa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c2eb5fba41a9428057bc70a5c713a2a25b9910216df1e77b8993d88aa8b7bc
[INFO] running `Command { std: "docker" "start" "-a" "e7c2eb5fba41a9428057bc70a5c713a2a25b9910216df1e77b8993d88aa8b7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling context v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/mod.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |             limit = mem::uninitialized();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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/stack.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |             StackError::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7c2eb5fba41a9428057bc70a5c713a2a25b9910216df1e77b8993d88aa8b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c2eb5fba41a9428057bc70a5c713a2a25b9910216df1e77b8993d88aa8b7bc", kill_on_drop: false }`
[INFO] [stdout] e7c2eb5fba41a9428057bc70a5c713a2a25b9910216df1e77b8993d88aa8b7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e4f5a89b35272ef9f88c1e130ce74fa5c280b9474c6fd90d0ded112a6586c1
[INFO] running `Command { std: "docker" "start" "-a" "96e4f5a89b35272ef9f88c1e130ce74fa5c280b9474c6fd90d0ded112a6586c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling context v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/mod.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |             limit = mem::uninitialized();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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/stack.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |             StackError::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/context.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[inline(never)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/unix/mod.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |             limit = mem::uninitialized();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/sys/unix/mod.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[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/stack.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |             StackError::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "96e4f5a89b35272ef9f88c1e130ce74fa5c280b9474c6fd90d0ded112a6586c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e4f5a89b35272ef9f88c1e130ce74fa5c280b9474c6fd90d0ded112a6586c1", kill_on_drop: false }`
[INFO] [stdout] 96e4f5a89b35272ef9f88c1e130ce74fa5c280b9474c6fd90d0ded112a6586c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95b0c5a8e950fcc0d4d01ce7f106d367c0170a919c172f005ac38c85afa8ae52
[INFO] running `Command { std: "docker" "start" "-a" "95b0c5a8e950fcc0d4d01ce7f106d367c0170a919c172f005ac38c85afa8ae52", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/stack.rs:44:32
[INFO] [stdout] test stack::tests::stack_size_too_large ... ok
[INFO] [stderr]    |
[INFO] [stdout] test context::tests::type_sizes ... ok
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] test stack::tests::stack_size_too_small ... ok
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/mod.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |             limit = mem::uninitialized();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/stack.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |             StackError::IoError(ref e) => e.description(),
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stack.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/context.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     #[inline(never)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/sys/unix/mod.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |             limit = mem::uninitialized();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/stack.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |             StackError::IoError(ref e) => e.description(),
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/context-02505ed98e7a1ebc)
[INFO] [stdout] test context::tests::number_generator ... ok
[INFO] [stderr]    Doc-tests context
[INFO] [stdout] test context::tests::resume_ontop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95b0c5a8e950fcc0d4d01ce7f106d367c0170a919c172f005ac38c85afa8ae52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b0c5a8e950fcc0d4d01ce7f106d367c0170a919c172f005ac38c85afa8ae52", kill_on_drop: false }`
[INFO] [stdout] 95b0c5a8e950fcc0d4d01ce7f106d367c0170a919c172f005ac38c85afa8ae52