[INFO] fetching crate better_btree 0.2.3...
[INFO] testing better_btree-0.2.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate better_btree 0.2.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate better_btree 0.2.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better_btree 0.2.3
[INFO] finished tweaking crates.io crate better_btree 0.2.3
[INFO] tweaked toml for crates.io crate better_btree 0.2.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 106e377828efe2c7c521d1e2359105aa81d4235e33de3a7596d6c3e110a4ef7a
[INFO] running `Command { std: "docker" "start" "-a" "106e377828efe2c7c521d1e2359105aa81d4235e33de3a7596d6c3e110a4ef7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "106e377828efe2c7c521d1e2359105aa81d4235e33de3a7596d6c3e110a4ef7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106e377828efe2c7c521d1e2359105aa81d4235e33de3a7596d6c3e110a4ef7a", kill_on_drop: false }`
[INFO] [stdout] 106e377828efe2c7c521d1e2359105aa81d4235e33de3a7596d6c3e110a4ef7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce094ff6d27d06661f95046828346849e0e158f52ee0438d9f57be0c300afe1a
[INFO] running `Command { std: "docker" "start" "-a" "ce094ff6d27d06661f95046828346849e0e158f52ee0438d9f57be0c300afe1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling better_btree v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_internal`
[INFO] [stdout]    --> src/node.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub fn is_internal(&self) -> bool { self.data.is_internal() }
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "ce094ff6d27d06661f95046828346849e0e158f52ee0438d9f57be0c300afe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce094ff6d27d06661f95046828346849e0e158f52ee0438d9f57be0c300afe1a", kill_on_drop: false }`
[INFO] [stdout] ce094ff6d27d06661f95046828346849e0e158f52ee0438d9f57be0c300afe1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ee907ecb7d9b0e254aa6f3d024d0279e0f00bfa83a4409eab9c22afc4fecac
[INFO] running `Command { std: "docker" "start" "-a" "a3ee907ecb7d9b0e254aa6f3d024d0279e0f00bfa83a4409eab9c22afc4fecac", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `is_internal`
[INFO] [stdout]    --> src/node.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub fn is_internal(&self) -> bool { self.data.is_internal() }
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling better_btree v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_internal`
[INFO] [stdout]    --> src/node.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub fn is_internal(&self) -> bool { self.data.is_internal() }
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3ee907ecb7d9b0e254aa6f3d024d0279e0f00bfa83a4409eab9c22afc4fecac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ee907ecb7d9b0e254aa6f3d024d0279e0f00bfa83a4409eab9c22afc4fecac", kill_on_drop: false }`
[INFO] [stdout] a3ee907ecb7d9b0e254aa6f3d024d0279e0f00bfa83a4409eab9c22afc4fecac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7b8197e17d982405fadaccd778a7a329b20733ed61a5d3e83542346b8184641
[INFO] running `Command { std: "docker" "start" "-a" "e7b8197e17d982405fadaccd778a7a329b20733ed61a5d3e83542346b8184641", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `is_internal`
[INFO] [stderr]    --> src/node.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |     pub fn is_internal(&self) -> bool { self.data.is_internal() }
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_internal`
[INFO] [stderr]    --> src/node.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |     pub fn is_internal(&self) -> bool { self.data.is_internal() }
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/better_btree-a9fcaaf708618c80)
[INFO] [stderr]    Doc-tests better_btree
[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" "e7b8197e17d982405fadaccd778a7a329b20733ed61a5d3e83542346b8184641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b8197e17d982405fadaccd778a7a329b20733ed61a5d3e83542346b8184641", kill_on_drop: false }`
[INFO] [stdout] e7b8197e17d982405fadaccd778a7a329b20733ed61a5d3e83542346b8184641