[INFO] fetching crate synco 0.0.0... [INFO] testing synco-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate synco 0.0.0 into /workspace/builds/worker-41/source [INFO] validating manifest of crates.io crate synco 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate synco 0.0.0 [INFO] finished tweaking crates.io crate synco 0.0.0 [INFO] tweaked toml for crates.io crate synco 0.0.0 written to /workspace/builds/worker-41/source/Cargo.toml [INFO] crate crates.io crate synco 0.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tuple_utils v0.3.0 [INFO] [stderr] Downloaded shred v0.10.2 [INFO] [stderr] Downloaded tynm v0.1.6 [INFO] [stderr] Downloaded shrev v1.1.1 [INFO] [stderr] Downloaded hashbrown v0.7.2 [INFO] [stderr] Downloaded specs v0.16.1 [INFO] [stderr] Downloaded atom v0.3.6 [INFO] [stderr] Downloaded hibitset v0.6.3 [INFO] [stderr] Downloaded mopa v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35bb0d27335051d3589e8cb90c91757a0d5c5ceb76092938b65de5c32cc3829a [INFO] running `Command { std: "docker" "start" "-a" "35bb0d27335051d3589e8cb90c91757a0d5c5ceb76092938b65de5c32cc3829a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35bb0d27335051d3589e8cb90c91757a0d5c5ceb76092938b65de5c32cc3829a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35bb0d27335051d3589e8cb90c91757a0d5c5ceb76092938b65de5c32cc3829a", kill_on_drop: false }` [INFO] [stdout] 35bb0d27335051d3589e8cb90c91757a0d5c5ceb76092938b65de5c32cc3829a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 996a86412c037b41c29cd483ec028eca10197ef3a83d18249fe3f08ed2c0db7f [INFO] running `Command { std: "docker" "start" "-a" "996a86412c037b41c29cd483ec028eca10197ef3a83d18249fe3f08ed2c0db7f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling anymap v0.12.1 [INFO] [stderr] Compiling synco v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | min_type_alias_impl_trait, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of full type_alias_impl_trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/entity.rs:107:27 [INFO] [stdout] | [INFO] [stdout] 107 | pub type EntityIter<'a> = impl Iterator + 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/system.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | type System = FnSystem O, Args, O>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/entity.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/query.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | cell::{UnsafeCell, Ref}, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/query.rs:156:20 [INFO] [stdout] | [INFO] [stdout] 156 | };);* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Missing required bounds on Ref [INFO] [stdout] --> src/storage.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | type Ref<'a>: Deref where T: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | help: add the required where clauses: `, Self: 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Missing required bounds on RefMut [INFO] [stdout] --> src/storage.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | type RefMut<'a>: DerefMut where T: 'a; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | help: add the required where clauses: `, Self: 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 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 `synco` due to 6 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "996a86412c037b41c29cd483ec028eca10197ef3a83d18249fe3f08ed2c0db7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "996a86412c037b41c29cd483ec028eca10197ef3a83d18249fe3f08ed2c0db7f", kill_on_drop: false }` [INFO] [stdout] 996a86412c037b41c29cd483ec028eca10197ef3a83d18249fe3f08ed2c0db7f