[INFO] fetching crate ad4m-client 0.7.1...
[INFO] checking ad4m-client-0.7.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ad4m-client 0.7.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ad4m-client 0.7.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ad4m-client 0.7.1
[INFO] finished tweaking crates.io crate ad4m-client 0.7.1
[INFO] tweaked toml for crates.io crate ad4m-client 0.7.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 221 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e824f33f553259db91c957180e6c6187126f7bc87096a8df2b4f624fca828a6
[INFO] running `Command { std: "docker" "start" "-a" "5e824f33f553259db91c957180e6c6187126f7bc87096a8df2b4f624fca828a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e824f33f553259db91c957180e6c6187126f7bc87096a8df2b4f624fca828a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e824f33f553259db91c957180e6c6187126f7bc87096a8df2b4f624fca828a6", kill_on_drop: false }`
[INFO] [stdout] 5e824f33f553259db91c957180e6c6187126f7bc87096a8df2b4f624fca828a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8edf35f92ab8503cadbcdcf16d1a89cfd1d57a94c40142c8c1bb58a87ca534
[INFO] running `Command { std: "docker" "start" "-a" "3c8edf35f92ab8503cadbcdcf16d1a89cfd1d57a94c40142c8c1bb58a87ca534", kill_on_drop: false }`
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[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/perspective_proxy.rs:253:38
[INFO] [stdout]     |
[INFO] [stdout] 253 |             Ok(SubjectProxy::new(self.clone(), class.clone(), base.clone()))
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `PerspectiveProxy` does not implement `Clone`, so calling `clone` on `&PerspectiveProxy` 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] 253 -             Ok(SubjectProxy::new(self.clone(), class.clone(), base.clone()))
[INFO] [stdout] 253 +             Ok(SubjectProxy::new(self, class.clone(), base.clone()))
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `PerspectiveProxy`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 18  + #[derive(Clone)]
[INFO] [stdout] 19  | pub struct PerspectiveProxy {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/perspective_proxy.rs:253:38
[INFO] [stdout]     |
[INFO] [stdout] 253 |             Ok(SubjectProxy::new(self.clone(), class.clone(), base.clone()))
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `PerspectiveProxy` does not implement `Clone`, so calling `clone` on `&PerspectiveProxy` 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] 253 -             Ok(SubjectProxy::new(self.clone(), class.clone(), base.clone()))
[INFO] [stdout] 253 +             Ok(SubjectProxy::new(self, class.clone(), base.clone()))
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `PerspectiveProxy`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 18  + #[derive(Clone)]
[INFO] [stdout] 19  | pub struct PerspectiveProxy {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3c8edf35f92ab8503cadbcdcf16d1a89cfd1d57a94c40142c8c1bb58a87ca534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8edf35f92ab8503cadbcdcf16d1a89cfd1d57a94c40142c8c1bb58a87ca534", kill_on_drop: false }`
[INFO] [stdout] 3c8edf35f92ab8503cadbcdcf16d1a89cfd1d57a94c40142c8c1bb58a87ca534
