[INFO] cloning repository https://github.com/mverleg/prover [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mverleg/prover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fprover", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fprover'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f42a6f9fed24c439c53dcbbfa59ceba5b44361e [INFO] checking mverleg/prover against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fprover" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mverleg/prover on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mverleg/prover [INFO] finished tweaking git repo https://github.com/mverleg/prover [INFO] tweaked toml for git repo https://github.com/mverleg/prover written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/mverleg/prover already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f52e0b7837a589953ec2e420f0a97557197c857e7230551589f9823a22eb7a98 [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" "f52e0b7837a589953ec2e420f0a97557197c857e7230551589f9823a22eb7a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f52e0b7837a589953ec2e420f0a97557197c857e7230551589f9823a22eb7a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f52e0b7837a589953ec2e420f0a97557197c857e7230551589f9823a22eb7a98", kill_on_drop: false }` [INFO] [stdout] f52e0b7837a589953ec2e420f0a97557197c857e7230551589f9823a22eb7a98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5aa66a88987d81f27afc1a6eee88b91406db662adbe22318036404e1ca5137c5 [INFO] running `Command { std: "docker" "start" "-a" "5aa66a88987d81f27afc1a6eee88b91406db662adbe22318036404e1ca5137c5", kill_on_drop: false }` [INFO] [stderr] Checking bound_prover v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logic/mod.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Num(&'a Num), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Num` [INFO] [stdout] --> src/logic/proposition.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use num::Num; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::eql::Eql` [INFO] [stdout] --> src/notation.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use logic::eql::Eql; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::gt::Gt` [INFO] [stdout] --> src/notation.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use logic::gt::Gt; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::lt::Lt` [INFO] [stdout] --> src/notation.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use logic::lt::Lt; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Num` [INFO] [stdout] --> src/notation.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use num::Num; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logic/mod.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Num(&'a Num), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Num` [INFO] [stdout] --> src/logic/proposition.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use num::Num; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::eql::Eql` [INFO] [stdout] --> src/notation.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use logic::eql::Eql; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::gt::Gt` [INFO] [stdout] --> src/notation.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use logic::gt::Gt; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logic::lt::Lt` [INFO] [stdout] --> src/notation.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use logic::lt::Lt; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num::Num` [INFO] [stdout] --> src/notation.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use num::Num; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::logic::*` [INFO] [stdout] --> src/lib.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | use super::logic::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::num::*` [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | use super::num::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `Num` cannot be made into an object [INFO] [stdout] --> src/logic/mod.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Num(&'a Num), [INFO] [stdout] | ^^^^^^ `Num` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/num/mod.rs:6:50 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Num: Difficulty + Display + Clone + PartialEq + Eq + Hash where T: Nr { [INFO] [stdout] | --- ^^^^^^^^^ ...because it uses `Self` as a type parameter [INFO] [stdout] | | [INFO] [stdout] | this trait cannot be made into an object... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `Num` cannot be made into an object [INFO] [stdout] --> src/logic/mod.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Num(&'a Num), [INFO] [stdout] | ^^^^^^ `Num` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/num/mod.rs:6:50 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Num: Difficulty + Display + Clone + PartialEq + Eq + Hash where T: Nr { [INFO] [stdout] | --- ^^^^^^^^^ ...because it uses `Self` as a type parameter [INFO] [stdout] | | [INFO] [stdout] | this trait cannot be made into an object... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bound_prover` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5aa66a88987d81f27afc1a6eee88b91406db662adbe22318036404e1ca5137c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aa66a88987d81f27afc1a6eee88b91406db662adbe22318036404e1ca5137c5", kill_on_drop: false }` [INFO] [stdout] 5aa66a88987d81f27afc1a6eee88b91406db662adbe22318036404e1ca5137c5