[INFO] fetching crate rangetree 0.1.2...
[INFO] checking rangetree-0.1.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate rangetree 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rangetree 0.1.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rangetree 0.1.2
[INFO] finished tweaking crates.io crate rangetree 0.1.2
[INFO] tweaked toml for crates.io crate rangetree 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72de0c1f3dcd9fc9e5fe9ecc7da51f04086e9f3c1bd614cfd48fe46eca1cd1fe
[INFO] running `Command { std: "docker" "start" "-a" "72de0c1f3dcd9fc9e5fe9ecc7da51f04086e9f3c1bd614cfd48fe46eca1cd1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72de0c1f3dcd9fc9e5fe9ecc7da51f04086e9f3c1bd614cfd48fe46eca1cd1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72de0c1f3dcd9fc9e5fe9ecc7da51f04086e9f3c1bd614cfd48fe46eca1cd1fe", kill_on_drop: false }`
[INFO] [stdout] 72de0c1f3dcd9fc9e5fe9ecc7da51f04086e9f3c1bd614cfd48fe46eca1cd1fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c186bc1be5321447f6c25a0d317e61d60dec97a07217d7f0265f4fb36175e92
[INFO] running `Command { std: "docker" "start" "-a" "7c186bc1be5321447f6c25a0d317e61d60dec97a07217d7f0265f4fb36175e92", kill_on_drop: false }`
[INFO] [stderr]     Checking rangetree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/tests_rangetree.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         assert!(r.has((i * 2)) == false);
[INFO] [stdout]    |                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "7c186bc1be5321447f6c25a0d317e61d60dec97a07217d7f0265f4fb36175e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c186bc1be5321447f6c25a0d317e61d60dec97a07217d7f0265f4fb36175e92", kill_on_drop: false }`
[INFO] [stdout] 7c186bc1be5321447f6c25a0d317e61d60dec97a07217d7f0265f4fb36175e92