[INFO] cloning repository https://github.com/pchampin/pair_trait [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pchampin/pair_trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf [INFO] checking pchampin/pair_trait against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pchampin/pair_trait on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pchampin/pair_trait [INFO] finished tweaking git repo https://github.com/pchampin/pair_trait [INFO] tweaked toml for git repo https://github.com/pchampin/pair_trait written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/pchampin/pair_trait already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v0.5.2 [INFO] [stderr] Downloaded proc-macro2 v0.3.8 [INFO] [stderr] Downloaded rental v0.5.1 [INFO] [stderr] Downloaded syn v0.13.11 [INFO] [stderr] Downloaded rental-impl v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15cbf1e1a01e38bb4e8b5807b2dee19154593b5e3b380d95e49e7da9ce1a750f [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" "15cbf1e1a01e38bb4e8b5807b2dee19154593b5e3b380d95e49e7da9ce1a750f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15cbf1e1a01e38bb4e8b5807b2dee19154593b5e3b380d95e49e7da9ce1a750f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15cbf1e1a01e38bb4e8b5807b2dee19154593b5e3b380d95e49e7da9ce1a750f", kill_on_drop: false }` [INFO] [stdout] 15cbf1e1a01e38bb4e8b5807b2dee19154593b5e3b380d95e49e7da9ce1a750f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78dd61c33c0b497ee560c71a8caba265c76ee644b3959013f1e3db9c44f8fc96 [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" "78dd61c33c0b497ee560c71a8caba265c76ee644b3959013f1e3db9c44f8fc96", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling rental-impl v0.5.0 [INFO] [stderr] Checking rental v0.5.1 [INFO] [stderr] Checking trait_pair v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/main.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | / rental! { [INFO] [stdout] 51 | | pub mod self_sustained_pair { [INFO] [stdout] 52 | | use std::borrow::Cow; [INFO] [stdout] 53 | | #[rental(covariant)] [INFO] [stdout] ... | [INFO] [stdout] 58 | | } [INFO] [stdout] 59 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/main.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | / rental! { [INFO] [stdout] 51 | | pub mod self_sustained_pair { [INFO] [stdout] 52 | | use std::borrow::Cow; [INFO] [stdout] 53 | | #[rental(covariant)] [INFO] [stdout] ... | [INFO] [stdout] 58 | | } [INFO] [stdout] 59 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.39s [INFO] running `Command { std: "docker" "inspect" "78dd61c33c0b497ee560c71a8caba265c76ee644b3959013f1e3db9c44f8fc96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78dd61c33c0b497ee560c71a8caba265c76ee644b3959013f1e3db9c44f8fc96", kill_on_drop: false }` [INFO] [stdout] 78dd61c33c0b497ee560c71a8caba265c76ee644b3959013f1e3db9c44f8fc96