[INFO] fetching crate generational-indextree 1.1.2...
[INFO] building generational-indextree-1.1.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate generational-indextree 1.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate generational-indextree 1.1.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generational-indextree 1.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate generational-indextree 1.1.2
[INFO] tweaked toml for crates.io crate generational-indextree 1.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate generational-indextree 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13fdc2d78aecac7ef11070b3996a5a843da5fe1c8fdbf5969185d7f7769706d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13fdc2d78aecac7ef11070b3996a5a843da5fe1c8fdbf5969185d7f7769706d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fdc2d78aecac7ef11070b3996a5a843da5fe1c8fdbf5969185d7f7769706d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fdc2d78aecac7ef11070b3996a5a843da5fe1c8fdbf5969185d7f7769706d9", kill_on_drop: false }`
[INFO] [stdout] 13fdc2d78aecac7ef11070b3996a5a843da5fe1c8fdbf5969185d7f7769706d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942a0783c6d8b1337cecb5c24d5a081cabad17867b4141b4c9fc2b57786706f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "942a0783c6d8b1337cecb5c24d5a081cabad17867b4141b4c9fc2b57786706f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling generational-indextree v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "942a0783c6d8b1337cecb5c24d5a081cabad17867b4141b4c9fc2b57786706f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942a0783c6d8b1337cecb5c24d5a081cabad17867b4141b4c9fc2b57786706f3", kill_on_drop: false }`
[INFO] [stdout] 942a0783c6d8b1337cecb5c24d5a081cabad17867b4141b4c9fc2b57786706f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6676fb4205217d8a5baca09c5a9d6bfa71bf81e193d24133c65cf34cb232e5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6676fb4205217d8a5baca09c5a9d6bfa71bf81e193d24133c65cf34cb232e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-indextree v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1_id`
[INFO] [stdout]    --> src/arena.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let n1_id = arena.new_node("1");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_n1_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2_id`
[INFO] [stdout]    --> src/arena.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let n2_id = arena.new_node("2");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_n2_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n3_id`
[INFO] [stdout]    --> src/arena.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let n3_id = arena.new_node("3");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_n3_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "e6676fb4205217d8a5baca09c5a9d6bfa71bf81e193d24133c65cf34cb232e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6676fb4205217d8a5baca09c5a9d6bfa71bf81e193d24133c65cf34cb232e5f", kill_on_drop: false }`
[INFO] [stdout] e6676fb4205217d8a5baca09c5a9d6bfa71bf81e193d24133c65cf34cb232e5f
