[INFO] fetching crate font-rs 0.1.3...
[INFO] testing font-rs-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate font-rs 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate font-rs 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc1944d047f9c6a5d392ba08587750c6f036f406f35a8a36228dff7d14041a2a
[INFO] running `Command { std: "docker" "start" "-a" "dc1944d047f9c6a5d392ba08587750c6f036f406f35a8a36228dff7d14041a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1944d047f9c6a5d392ba08587750c6f036f406f35a8a36228dff7d14041a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1944d047f9c6a5d392ba08587750c6f036f406f35a8a36228dff7d14041a2a", kill_on_drop: false }`
[INFO] [stdout] dc1944d047f9c6a5d392ba08587750c6f036f406f35a8a36228dff7d14041a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a541d754e7b68d840d759bb1edd1286b19cc5564c3ce599d32731824aa3a1f45
[INFO] running `Command { std: "docker" "start" "-a" "a541d754e7b68d840d759bb1edd1286b19cc5564c3ce599d32731824aa3a1f45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.55
[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]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "a541d754e7b68d840d759bb1edd1286b19cc5564c3ce599d32731824aa3a1f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a541d754e7b68d840d759bb1edd1286b19cc5564c3ce599d32731824aa3a1f45", kill_on_drop: false }`
[INFO] [stdout] a541d754e7b68d840d759bb1edd1286b19cc5564c3ce599d32731824aa3a1f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671b862d15f787ba390b876e7602c7f84bef580de5293add14519fa725b8bef3
[INFO] running `Command { std: "docker" "start" "-a" "671b862d15f787ba390b876e7602c7f84bef580de5293add14519fa725b8bef3", 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]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[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]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "671b862d15f787ba390b876e7602c7f84bef580de5293add14519fa725b8bef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671b862d15f787ba390b876e7602c7f84bef580de5293add14519fa725b8bef3", kill_on_drop: false }`
[INFO] [stdout] 671b862d15f787ba390b876e7602c7f84bef580de5293add14519fa725b8bef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47655463b4cf8b2d7cace08cac6773e2cddfe8be692f91fca36ca119907688b4
[INFO] running `Command { std: "docker" "start" "-a" "47655463b4cf8b2d7cace08cac6773e2cddfe8be692f91fca36ca119907688b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     |                                  ^     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stderr] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `font-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `font-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/font_rs-f329b791522d22ec)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test accumulate::tests::max_255_from_0_0078125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_015625 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_0625 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_03125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_25 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_5 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_1_0 ... ok
[INFO] [stdout] test accumulate::tests::simple_0 ... ok
[INFO] [stdout] test accumulate::tests::simple_1 ... ok
[INFO] [stdout] test accumulate::tests::simple_2 ... ok
[INFO] [stdout] test accumulate::tests::simple_4 ... ok
[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 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; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests font-rs
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/font.rs:571:34
[INFO] [stderr]     |
[INFO] [stderr] 571 |     fn next(&mut self) -> Option<(usize)> {
[INFO] [stderr]     |                                  ^     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stderr] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "47655463b4cf8b2d7cace08cac6773e2cddfe8be692f91fca36ca119907688b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47655463b4cf8b2d7cace08cac6773e2cddfe8be692f91fca36ca119907688b4", kill_on_drop: false }`
[INFO] [stdout] 47655463b4cf8b2d7cace08cac6773e2cddfe8be692f91fca36ca119907688b4