[INFO] fetching crate ruleasy 0.1.3...
[INFO] checking ruleasy-0.1.3 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] extracting crate ruleasy 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ruleasy 0.1.3 on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruleasy 0.1.3
[INFO] finished tweaking crates.io crate ruleasy 0.1.3
[INFO] tweaked toml for crates.io crate ruleasy 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42450d803c0f41898d68a5d08cf641c7cd10c41fad146d42a758e3e0170b180f
[INFO] running `Command { std: "docker" "start" "-a" "42450d803c0f41898d68a5d08cf641c7cd10c41fad146d42a758e3e0170b180f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42450d803c0f41898d68a5d08cf641c7cd10c41fad146d42a758e3e0170b180f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42450d803c0f41898d68a5d08cf641c7cd10c41fad146d42a758e3e0170b180f", kill_on_drop: false }`
[INFO] [stdout] 42450d803c0f41898d68a5d08cf641c7cd10c41fad146d42a758e3e0170b180f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b07945cf102583238e47d53db34930b80f928f7f1a561ded9854174dacd649bd
[INFO] running `Command { std: "docker" "start" "-a" "b07945cf102583238e47d53db34930b80f928f7f1a561ded9854174dacd649bd", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking ruleasy v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |             return match rule.borrow().evaluate(&mut self.knowledge) {
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Rule<'_>` does not implement `Borrow`, so calling `borrow` on `&Rule<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 28 -             return match rule.borrow().evaluate(&mut self.knowledge) {
[INFO] [stdout] 28 +             return match rule.evaluate(&mut self.knowledge) {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Rule<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/rule.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub struct Rule<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 Ok(_) => rule.borrow().execute(&mut self.knowledge),
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Rule<'_>` does not implement `Borrow`, so calling `borrow` on `&Rule<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 Ok(_) => rule.borrow().execute(&mut self.knowledge),
[INFO] [stdout] 29 +                 Ok(_) => rule.execute(&mut self.knowledge),
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Rule<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/rule.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub struct Rule<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |             return match rule.borrow().evaluate(&mut self.knowledge) {
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Rule<'_>` does not implement `Borrow`, so calling `borrow` on `&Rule<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 28 -             return match rule.borrow().evaluate(&mut self.knowledge) {
[INFO] [stdout] 28 +             return match rule.evaluate(&mut self.knowledge) {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Rule<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/rule.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub struct Rule<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 Ok(_) => rule.borrow().execute(&mut self.knowledge),
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Rule<'_>` does not implement `Borrow`, so calling `borrow` on `&Rule<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 Ok(_) => rule.borrow().execute(&mut self.knowledge),
[INFO] [stdout] 29 +                 Ok(_) => rule.execute(&mut self.knowledge),
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Rule<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/rule.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub struct Rule<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b07945cf102583238e47d53db34930b80f928f7f1a561ded9854174dacd649bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07945cf102583238e47d53db34930b80f928f7f1a561ded9854174dacd649bd", kill_on_drop: false }`
[INFO] [stdout] b07945cf102583238e47d53db34930b80f928f7f1a561ded9854174dacd649bd