[INFO] fetching crate revent 0.29.0... [INFO] testing revent-0.29.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate revent 0.29.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate revent 0.29.0 [INFO] finished tweaking crates.io crate revent 0.29.0 [INFO] tweaked toml for crates.io crate revent 0.29.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate revent 0.29.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate revent 0.29.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bstr v0.2.13 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.63 [INFO] [stderr] Downloaded hermit-abi v0.1.13 [INFO] [stderr] Downloaded quickcheck v0.9.2 [INFO] [stderr] Downloaded quote v1.0.6 [INFO] [stderr] Downloaded tinytemplate v1.1.0 [INFO] [stderr] Downloaded clap v2.33.1 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.63 [INFO] [stderr] Downloaded js-sys v0.3.40 [INFO] [stderr] Downloaded serde_json v1.0.53 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.63 [INFO] [stderr] Downloaded crossbeam-queue v0.2.2 [INFO] [stderr] Downloaded aho-corasick v0.7.10 [INFO] [stderr] Downloaded wasm-bindgen v0.2.63 [INFO] [stderr] Downloaded isize-vec v0.1.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.63 [INFO] [stderr] Downloaded serde_derive v1.0.111 [INFO] [stderr] Downloaded syn v1.0.30 [INFO] [stderr] Downloaded quickcheck_macros v0.9.1 [INFO] [stderr] Downloaded serde v1.0.111 [INFO] [stderr] Downloaded crossbeam-channel v0.4.2 [INFO] [stderr] Downloaded web-sys v0.3.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6cf7da86140db08174bbf87d939c43428a0c820550f74bfff95df80caa8b3293 [INFO] running `Command { std: "docker" "start" "-a" "6cf7da86140db08174bbf87d939c43428a0c820550f74bfff95df80caa8b3293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cf7da86140db08174bbf87d939c43428a0c820550f74bfff95df80caa8b3293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cf7da86140db08174bbf87d939c43428a0c820550f74bfff95df80caa8b3293", kill_on_drop: false }` [INFO] [stdout] 6cf7da86140db08174bbf87d939c43428a0c820550f74bfff95df80caa8b3293 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6f490b18fece38ec538065b7bedf9f73fbd3f64fd4e230794da994ad3bb2ce3 [INFO] running `Command { std: "docker" "start" "-a" "f6f490b18fece38ec538065b7bedf9f73fbd3f64fd4e230794da994ad3bb2ce3", kill_on_drop: false }` [INFO] [stderr] Compiling isize-vec v0.1.1 [INFO] [stderr] Compiling revent v0.29.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unnecessary qualification [INFO] [stdout] --> src/node.rs:48:19 [INFO] [stdout] | [INFO] [stdout] 48 | size: mem::size_of::(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | unused_qualifications [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 48 - size: mem::size_of::(), [INFO] [stdout] 48 + size: size_of::(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unnecessary qualification [INFO] [stdout] --> src/node.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | size: mem::size_of::(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 63 - size: mem::size_of::(), [INFO] [stdout] 63 + size: size_of::(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unnecessary qualification [INFO] [stdout] --> src/lib.rs:147:51 [INFO] [stdout] | [INFO] [stdout] 147 | if last.1 != item as *mut () || last.2 != mem::size_of::() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 147 - if last.1 != item as *mut () || last.2 != mem::size_of::() { [INFO] [stdout] 147 + if last.1 != item as *mut () || last.2 != size_of::() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `drain_filter` [INFO] [stdout] --> src/lib.rs:63:28 [INFO] [stdout] | [INFO] [stdout] 63 | #![feature(coerce_unsized, drain_filter, unsize)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `(Cell, UnsafeCell): Unsize<(Cell, UnsafeCell)>` is not satisfied [INFO] [stdout] --> src/node.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | / impl CoerceUnsized> for Node [INFO] [stdout] 26 | | where [INFO] [stdout] 27 | | T: Unsize + ?Sized, [INFO] [stdout] 28 | | U: ?Sized, [INFO] [stdout] | |______________^ the trait `Unsize<(Cell, UnsafeCell)>` is not implemented for `(Cell, UnsafeCell)` [INFO] [stdout] | [INFO] [stdout] = note: all implementations of `Unsize` are provided automatically by the compiler, see for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `revent` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "f6f490b18fece38ec538065b7bedf9f73fbd3f64fd4e230794da994ad3bb2ce3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6f490b18fece38ec538065b7bedf9f73fbd3f64fd4e230794da994ad3bb2ce3", kill_on_drop: false }` [INFO] [stdout] f6f490b18fece38ec538065b7bedf9f73fbd3f64fd4e230794da994ad3bb2ce3