[INFO] fetching crate bit-array 0.4.4... [INFO] checking bit-array-0.4.4 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate bit-array 0.4.4 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate bit-array 0.4.4 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate bit-array 0.4.4 [INFO] finished tweaking crates.io crate bit-array 0.4.4 [INFO] tweaked toml for crates.io crate bit-array 0.4.4 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 6232f31e54ae27d2c2f9c84f3f305b84c4c5fbea06c8591f2a45f98949cb5ebb [INFO] running `Command { std: "docker" "start" "-a" "6232f31e54ae27d2c2f9c84f3f305b84c4c5fbea06c8591f2a45f98949cb5ebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6232f31e54ae27d2c2f9c84f3f305b84c4c5fbea06c8591f2a45f98949cb5ebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6232f31e54ae27d2c2f9c84f3f305b84c4c5fbea06c8591f2a45f98949cb5ebb", kill_on_drop: false }` [INFO] [stdout] 6232f31e54ae27d2c2f9c84f3f305b84c4c5fbea06c8591f2a45f98949cb5ebb [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] addb7dc212706c797ae2c92d8dac109ed9b14416c3bf1d262e5910964d9fcc6d [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" "addb7dc212706c797ae2c92d8dac109ed9b14416c3bf1d262e5910964d9fcc6d", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking generic-array v0.3.2 [INFO] [stderr] Checking bit-array v0.4.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:909:13 [INFO] [stdout] | [INFO] [stdout] 909 | try!(write!(fmt, "{}", if bit { 1 } else { 0 })); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:909:13 [INFO] [stdout] | [INFO] [stdout] 909 | try!(write!(fmt, "{}", if bit { 1 } else { 0 })); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `MatchWords` [INFO] [stdout] --> src/lib.rs:114:1 [INFO] [stdout] | [INFO] [stdout] 114 | type MatchWords<'a, B> = Chain>, Skip>>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `MatchWords` [INFO] [stdout] --> src/lib.rs:114:1 [INFO] [stdout] | [INFO] [stdout] 114 | type MatchWords<'a, B> = Chain>, Skip>>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `Command { std: "docker" "inspect" "addb7dc212706c797ae2c92d8dac109ed9b14416c3bf1d262e5910964d9fcc6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addb7dc212706c797ae2c92d8dac109ed9b14416c3bf1d262e5910964d9fcc6d", kill_on_drop: false }` [INFO] [stdout] addb7dc212706c797ae2c92d8dac109ed9b14416c3bf1d262e5910964d9fcc6d