[INFO] fetching crate ffi-support 0.4.4...
[INFO] testing ffi-support-0.4.4 against 1.100.0-beta.1 for beta-1.100-4
[INFO] extracting crate ffi-support 0.4.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ffi-support 0.4.4
[INFO] finished tweaking crates.io crate ffi-support 0.4.4
[INFO] tweaked toml for crates.io crate ffi-support 0.4.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffi-support 0.4.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to highest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.11)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d
[INFO] running `Command { std: "docker" "start" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling ffi-support v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub use crate::macros::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |     assert!(v <= (U16_MAX as usize), "Bug: Doesn't fit in u16: {}", v);
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |     use std::u16::MAX as U16_MAX;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling zerocopy v0.8.62
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub use crate::macros::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |     assert!(v <= (U16_MAX as usize), "Bug: Doesn't fit in u16: {}", v);
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |     use std::u16::MAX as U16_MAX;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ffi-support v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `coverage`
[INFO] [stdout]     --> src/handle_map.rs:1186:15
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     #[cfg(not(coverage))]
[INFO] [stdout]      |               ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(coverage)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub use crate::macros::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |     assert!(v <= (U16_MAX as usize), "Bug: Doesn't fit in u16: {}", v);
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/handle_map.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |     use std::u16::MAX as U16_MAX;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: into_ffi::IntoFfi` is not satisfied
[INFO] [stdout]     --> src/handle_map.rs:1216:17
[INFO] [stdout]      |
[INFO] [stdout] 1216 |             map.call_with_output(&mut e, h, |_thing| {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^ the trait `into_ffi::IntoFfi` is not implemented for `!`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `into_ffi::IntoFfi`:
[INFO] [stdout]                ()
[INFO] [stdout]                *const c_void
[INFO] [stdout]                *const i8
[INFO] [stdout]                *const u8
[INFO] [stdout]                *mut c_void
[INFO] [stdout]                *mut i8
[INFO] [stdout]                *mut u8
[INFO] [stdout]                ByteBuffer
[INFO] [stdout]              and 14 others
[INFO] [stdout]      = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]      = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `handle_map::ConcurrentHandleMap::<T>::call_with_output`
[INFO] [stdout]     --> src/handle_map.rs:982:12
[INFO] [stdout]      |
[INFO] [stdout]  725 | impl<T> ConcurrentHandleMap<T> {
[INFO] [stdout] ...
[INFO] [stdout]  974 |     pub fn call_with_output<R, F>(
[INFO] [stdout] ...
[INFO] [stdout]  982 |         R: IntoFfi,
[INFO] [stdout]      |            ^^^^^^^ required by this bound in `ConcurrentHandleMap::<T>::call_with_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ffi-support` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d", kill_on_drop: false }`
[INFO] [stdout] 1a05f32a9f6e4f2f2b368ae9a6d22cebca0dd3fb1c2345c23bb1a094868b082d
