[INFO] fetching crate synco 0.0.0... [INFO] checking synco-0.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate synco 0.0.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate synco 0.0.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-8/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded shrev v1.1.1 [INFO] [stderr] Downloaded anymap v0.12.1 [INFO] [stderr] Downloaded ahash v0.3.8 [INFO] [stderr] Downloaded mopa v0.2.2 [INFO] [stderr] Downloaded shred v0.10.2 [INFO] [stderr] Downloaded tuple_utils v0.3.0 [INFO] [stderr] Downloaded hashbrown v0.7.2 [INFO] [stderr] Downloaded hibitset v0.6.3 [INFO] [stderr] Downloaded atom v0.3.6 [INFO] [stderr] Downloaded specs v0.16.1 [INFO] [stderr] Downloaded tynm v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8207dc6e5426b3eac0ecc76f31ddfbe71aa185cb3747d9e6c722eefebc3bd8f [INFO] running `Command { std: "docker" "start" "-a" "f8207dc6e5426b3eac0ecc76f31ddfbe71aa185cb3747d9e6c722eefebc3bd8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8207dc6e5426b3eac0ecc76f31ddfbe71aa185cb3747d9e6c722eefebc3bd8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8207dc6e5426b3eac0ecc76f31ddfbe71aa185cb3747d9e6c722eefebc3bd8f", kill_on_drop: false }` [INFO] [stdout] f8207dc6e5426b3eac0ecc76f31ddfbe71aa185cb3747d9e6c722eefebc3bd8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49396e0638389f4524e4d6b27b20678b8d5ff5e1087cbc8326321fcfd9b86b1a [INFO] running `Command { std: "docker" "start" "-a" "49396e0638389f4524e4d6b27b20678b8d5ff5e1087cbc8326321fcfd9b86b1a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking atom v0.3.6 [INFO] [stderr] Checking mopa v0.2.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking tuple_utils v0.3.0 [INFO] [stderr] Checking shrev v1.1.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking synco v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [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] [stderr] Checking textwrap v0.11.0 [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] 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] [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] error: aborting due to 3 previous errors; 4 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 4 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "49396e0638389f4524e4d6b27b20678b8d5ff5e1087cbc8326321fcfd9b86b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49396e0638389f4524e4d6b27b20678b8d5ff5e1087cbc8326321fcfd9b86b1a", kill_on_drop: false }` [INFO] [stdout] 49396e0638389f4524e4d6b27b20678b8d5ff5e1087cbc8326321fcfd9b86b1a