[INFO] fetching crate binartree 2.0.2...
[INFO] checking binartree-2.0.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate binartree 2.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate binartree 2.0.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binartree 2.0.2
[INFO] finished tweaking crates.io crate binartree 2.0.2
[INFO] tweaked toml for crates.io crate binartree 2.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdf77b26f64c7c09819f62e1e721deed600bf685ac30468b01bbbdceb1f44c4
[INFO] running `Command { std: "docker" "start" "-a" "8fdf77b26f64c7c09819f62e1e721deed600bf685ac30468b01bbbdceb1f44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdf77b26f64c7c09819f62e1e721deed600bf685ac30468b01bbbdceb1f44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdf77b26f64c7c09819f62e1e721deed600bf685ac30468b01bbbdceb1f44c4", kill_on_drop: false }`
[INFO] [stdout] 8fdf77b26f64c7c09819f62e1e721deed600bf685ac30468b01bbbdceb1f44c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68dcadef8dca49c384806b956969765d224e71ffd4c02ed910db4cb44454c8c8
[INFO] running `Command { std: "docker" "start" "-a" "68dcadef8dca49c384806b956969765d224e71ffd4c02ed910db4cb44454c8c8", kill_on_drop: false }`
[INFO] [stderr]     Checking binartree v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/node.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 mem::drop(branch.key);
[INFO] [stdout]     |                 ^^^^^^^^^^----------^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           argument has type `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/node.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 mem::drop(branch.key);
[INFO] [stdout]     |                 ^^^^^^^^^^----------^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           argument has type `T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "68dcadef8dca49c384806b956969765d224e71ffd4c02ed910db4cb44454c8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68dcadef8dca49c384806b956969765d224e71ffd4c02ed910db4cb44454c8c8", kill_on_drop: false }`
[INFO] [stdout] 68dcadef8dca49c384806b956969765d224e71ffd4c02ed910db4cb44454c8c8
