[INFO] fetching crate nb-sync 0.2.0... [INFO] checking nb-sync-0.2.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate nb-sync 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate nb-sync 0.2.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nb-sync 0.2.0 [INFO] finished tweaking crates.io crate nb-sync 0.2.0 [INFO] tweaked toml for crates.io crate nb-sync 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac8ba520f92bbf126309fc662daae6e83a724016b101654229ae9cdc44d280bc [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" "ac8ba520f92bbf126309fc662daae6e83a724016b101654229ae9cdc44d280bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac8ba520f92bbf126309fc662daae6e83a724016b101654229ae9cdc44d280bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac8ba520f92bbf126309fc662daae6e83a724016b101654229ae9cdc44d280bc", kill_on_drop: false }` [INFO] [stdout] ac8ba520f92bbf126309fc662daae6e83a724016b101654229ae9cdc44d280bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bc3eee5b876e30db7819a0c03d3d77e7307a63fab15cba71adadd65f2db7657 [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" "8bc3eee5b876e30db7819a0c03d3d77e7307a63fab15cba71adadd65f2db7657", kill_on_drop: false }` [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking nb-sync v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: renamed to `auto_traits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: renamed to `auto_traits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/fifo.rs:205:25 [INFO] [stdout] | [INFO] [stdout] 205 | impl<'a, 'b: 'a, T: 'b> !Sync for Receiver<'a, 'b, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] = help: add `#![feature(negative_impls)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/fifo.rs:264:25 [INFO] [stdout] | [INFO] [stdout] 264 | impl<'a, 'b: 'a, T: 'b> !Sync for Sender<'a, 'b, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] = help: add `#![feature(negative_impls)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/fifo.rs:83:30 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn recv(&self, _nr: &NonReentrant) -> nb::Result { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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/fifo.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn send(&self, value: T, nr: &NonReentrant) -> nb::Result<(), !> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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/fifo.rs:127:49 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn send_lossless(&self, value: T, _nr: &NonReentrant) -> (nb::Result<(), !>, Option) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/fifo.rs:205:25 [INFO] [stdout] | [INFO] [stdout] 205 | impl<'a, 'b: 'a, T: 'b> !Sync for Receiver<'a, 'b, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] = help: add `#![feature(negative_impls)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/fifo.rs:264:25 [INFO] [stdout] | [INFO] [stdout] 264 | impl<'a, 'b: 'a, T: 'b> !Sync for Sender<'a, 'b, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] = help: add `#![feature(negative_impls)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/fifo.rs:83:30 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn recv(&self, _nr: &NonReentrant) -> nb::Result { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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/fifo.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn send(&self, value: T, nr: &NonReentrant) -> nb::Result<(), !> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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/fifo.rs:127:49 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn send_lossless(&self, value: T, _nr: &NonReentrant) -> (nb::Result<(), !>, Option) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn NonReentrant` [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] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nb-sync` [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] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8bc3eee5b876e30db7819a0c03d3d77e7307a63fab15cba71adadd65f2db7657", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bc3eee5b876e30db7819a0c03d3d77e7307a63fab15cba71adadd65f2db7657", kill_on_drop: false }` [INFO] [stdout] 8bc3eee5b876e30db7819a0c03d3d77e7307a63fab15cba71adadd65f2db7657