[INFO] fetching crate advancedresearch-max_tree 0.1.0...
[INFO] testing advancedresearch-max_tree-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate advancedresearch-max_tree 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate advancedresearch-max_tree 0.1.0
[INFO] finished tweaking crates.io crate advancedresearch-max_tree 0.1.0
[INFO] tweaked toml for crates.io crate advancedresearch-max_tree 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate advancedresearch-max_tree 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate advancedresearch-max_tree 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded piston-float v1.0.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 169aa7c5c8b24c09679f14ca2cfb03c9cd7a513f56859246842ef9dab70da479
[INFO] running `Command { std: "docker" "start" "-a" "169aa7c5c8b24c09679f14ca2cfb03c9cd7a513f56859246842ef9dab70da479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169aa7c5c8b24c09679f14ca2cfb03c9cd7a513f56859246842ef9dab70da479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169aa7c5c8b24c09679f14ca2cfb03c9cd7a513f56859246842ef9dab70da479", kill_on_drop: false }`
[INFO] [stdout] 169aa7c5c8b24c09679f14ca2cfb03c9cd7a513f56859246842ef9dab70da479
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd5d641c77343e0ee4a5f4abf77bfcf274c462ac2e7341e1b28c7a0cb645205
[INFO] running `Command { std: "docker" "start" "-a" "4cd5d641c77343e0ee4a5f4abf77bfcf274c462ac2e7341e1b28c7a0cb645205", kill_on_drop: false }`
[INFO] [stderr]    Compiling advancedresearch-max_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |             hash_set.insert(a.clone());
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `A` does not implement `Clone`, so calling `clone` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4cd5d641c77343e0ee4a5f4abf77bfcf274c462ac2e7341e1b28c7a0cb645205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd5d641c77343e0ee4a5f4abf77bfcf274c462ac2e7341e1b28c7a0cb645205", kill_on_drop: false }`
[INFO] [stdout] 4cd5d641c77343e0ee4a5f4abf77bfcf274c462ac2e7341e1b28c7a0cb645205
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd945ca5ade123410cfb7216375c4f6de7adf17acbb3238b696de068fae697b
[INFO] running `Command { std: "docker" "start" "-a" "3cd945ca5ade123410cfb7216375c4f6de7adf17acbb3238b696de068fae697b", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |             hash_set.insert(a.clone());
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `A` does not implement `Clone`, so calling `clone` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling advancedresearch-max_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |             hash_set.insert(a.clone());
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `A` does not implement `Clone`, so calling `clone` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "3cd945ca5ade123410cfb7216375c4f6de7adf17acbb3238b696de068fae697b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd945ca5ade123410cfb7216375c4f6de7adf17acbb3238b696de068fae697b", kill_on_drop: false }`
[INFO] [stdout] 3cd945ca5ade123410cfb7216375c4f6de7adf17acbb3238b696de068fae697b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 371786a122e94412bee9e2d8a013c7f9d72b36b74a1ff1a46a0ce900176fa4f8
[INFO] running `Command { std: "docker" "start" "-a" "371786a122e94412bee9e2d8a013c7f9d72b36b74a1ff1a46a0ce900176fa4f8", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:237:30
[INFO] [stderr]     |
[INFO] [stderr] 237 |             hash_set.insert(a.clone());
[INFO] [stderr]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `A` does not implement `Clone`, so calling `clone` on `&A` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advancedresearch-max_tree` (lib) generated 1 warning (run `cargo fix --lib -p advancedresearch-max_tree` to apply 1 suggestion)
[INFO] [stderr] warning: `advancedresearch-max_tree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/max_tree-682ce35ebf5a674b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests max_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "371786a122e94412bee9e2d8a013c7f9d72b36b74a1ff1a46a0ce900176fa4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371786a122e94412bee9e2d8a013c7f9d72b36b74a1ff1a46a0ce900176fa4f8", kill_on_drop: false }`
[INFO] [stdout] 371786a122e94412bee9e2d8a013c7f9d72b36b74a1ff1a46a0ce900176fa4f8
