[INFO] fetching crate font-rs 0.1.3...
[INFO] testing font-rs-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate font-rs 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate font-rs 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate font-rs 0.1.3
[INFO] finished tweaking crates.io crate font-rs 0.1.3
[INFO] tweaked toml for crates.io crate font-rs 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfac0ad0ff7804e01f6c4b5b1d4d8e8aad19579ff76b0e6aad06d2c02f27bc1a
[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" "cfac0ad0ff7804e01f6c4b5b1d4d8e8aad19579ff76b0e6aad06d2c02f27bc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfac0ad0ff7804e01f6c4b5b1d4d8e8aad19579ff76b0e6aad06d2c02f27bc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfac0ad0ff7804e01f6c4b5b1d4d8e8aad19579ff76b0e6aad06d2c02f27bc1a", kill_on_drop: false }`
[INFO] [stdout] cfac0ad0ff7804e01f6c4b5b1d4d8e8aad19579ff76b0e6aad06d2c02f27bc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8261a5d1f851b6c912d347a66f2b583e7e5bae8eb3812a40971711d676562b99
[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" "8261a5d1f851b6c912d347a66f2b583e7e5bae8eb3812a40971711d676562b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling font-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/font.rs:571:34
[INFO] [stdout]     |
[INFO] [stdout] 571 |     fn next(&mut self) -> Option<(usize)> {
[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 2.12s
[INFO] running `Command { std: "docker" "inspect" "8261a5d1f851b6c912d347a66f2b583e7e5bae8eb3812a40971711d676562b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8261a5d1f851b6c912d347a66f2b583e7e5bae8eb3812a40971711d676562b99", kill_on_drop: false }`
[INFO] [stdout] 8261a5d1f851b6c912d347a66f2b583e7e5bae8eb3812a40971711d676562b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac76612f1b18244658182b2128134df43252e2683bdc5f6909efebaf36207b92
[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" "ac76612f1b18244658182b2128134df43252e2683bdc5f6909efebaf36207b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling font-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/font.rs:571:34
[INFO] [stdout]     |
[INFO] [stdout] 571 |     fn next(&mut self) -> Option<(usize)> {
[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] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/font.rs:571:34
[INFO] [stdout]     |
[INFO] [stdout] 571 |     fn next(&mut self) -> Option<(usize)> {
[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 test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "ac76612f1b18244658182b2128134df43252e2683bdc5f6909efebaf36207b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac76612f1b18244658182b2128134df43252e2683bdc5f6909efebaf36207b92", kill_on_drop: false }`
[INFO] [stdout] ac76612f1b18244658182b2128134df43252e2683bdc5f6909efebaf36207b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fd043ec69276b6d46409a7ad6ea458405a960e7a0ac9b21c8ff39bba25abbd8
[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" "9fd043ec69276b6d46409a7ad6ea458405a960e7a0ac9b21c8ff39bba25abbd8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/font.rs:571:34
[INFO] [stderr]     |
[INFO] [stderr] 571 |     fn next(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/font.rs:571:34
[INFO] [stderr]     |
[INFO] [stderr] 571 |     fn next(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/font_rs-aa2c9cb8c69991db
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test accumulate::tests::simple_3 ... ok
[INFO] [stdout] test accumulate::tests::simple_5 ... ok
[INFO] [stdout] test accumulate::tests::simple_6 ... ok
[INFO] [stdout] test accumulate::tests::simple_7 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_1_0 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_5 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_015625 ... ok
[INFO] [stdout] test accumulate::tests::simple_4 ... ok
[INFO] [stdout] test accumulate::tests::simple_2 ... ok
[INFO] [stdout] test accumulate::tests::simple_1 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_0078125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_0625 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_03125 ... ok
[INFO] [stdout] test accumulate::tests::simple_0 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_25 ... ok
[INFO] [stderr]    Doc-tests font-rs
[INFO] [stdout] test font::tests::test_cmap_format_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]    --> /opt/rustwide/workdir/src/font.rs:571:34
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 571 |     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]     |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "9fd043ec69276b6d46409a7ad6ea458405a960e7a0ac9b21c8ff39bba25abbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd043ec69276b6d46409a7ad6ea458405a960e7a0ac9b21c8ff39bba25abbd8", kill_on_drop: false }`
[INFO] [stdout] 9fd043ec69276b6d46409a7ad6ea458405a960e7a0ac9b21c8ff39bba25abbd8
