[INFO] fetching crate advancedresearch-max_tree 0.1.0...
[INFO] checking advancedresearch-max_tree-0.1.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate advancedresearch-max_tree 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate advancedresearch-max_tree 0.1.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35234144ce07abbd0efc6206811474c12edf99cecf961e3e550e31868fcc68f3
[INFO] running `Command { std: "docker" "start" "-a" "35234144ce07abbd0efc6206811474c12edf99cecf961e3e550e31868fcc68f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35234144ce07abbd0efc6206811474c12edf99cecf961e3e550e31868fcc68f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35234144ce07abbd0efc6206811474c12edf99cecf961e3e550e31868fcc68f3", kill_on_drop: false }`
[INFO] [stdout] 35234144ce07abbd0efc6206811474c12edf99cecf961e3e550e31868fcc68f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db31ad0ef8e8e55eef38fcf1c1af6f1e4fabc0024d3898210df99bd0313af840
[INFO] running `Command { std: "docker" "start" "-a" "db31ad0ef8e8e55eef38fcf1c1af6f1e4fabc0024d3898210df99bd0313af840", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking advancedresearch-max_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vecmath 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] [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/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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "db31ad0ef8e8e55eef38fcf1c1af6f1e4fabc0024d3898210df99bd0313af840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db31ad0ef8e8e55eef38fcf1c1af6f1e4fabc0024d3898210df99bd0313af840", kill_on_drop: false }`
[INFO] [stdout] db31ad0ef8e8e55eef38fcf1c1af6f1e4fabc0024d3898210df99bd0313af840
