[INFO] fetching crate font-rs 0.1.3...
[INFO] testing font-rs-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate font-rs 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate font-rs 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc594a014ffe0508be4d67c9ce00c562517088ab0e2ac0f4847debbcb5de8c7f
[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" "fc594a014ffe0508be4d67c9ce00c562517088ab0e2ac0f4847debbcb5de8c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc594a014ffe0508be4d67c9ce00c562517088ab0e2ac0f4847debbcb5de8c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc594a014ffe0508be4d67c9ce00c562517088ab0e2ac0f4847debbcb5de8c7f", kill_on_drop: false }`
[INFO] [stdout] fc594a014ffe0508be4d67c9ce00c562517088ab0e2ac0f4847debbcb5de8c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c1390f2b08b0b826882ef29fe79d36c9e1611ee7dab73b0ea774232562e9485
[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" "7c1390f2b08b0b826882ef29fe79d36c9e1611ee7dab73b0ea774232562e9485", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "7c1390f2b08b0b826882ef29fe79d36c9e1611ee7dab73b0ea774232562e9485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1390f2b08b0b826882ef29fe79d36c9e1611ee7dab73b0ea774232562e9485", kill_on_drop: false }`
[INFO] [stdout] 7c1390f2b08b0b826882ef29fe79d36c9e1611ee7dab73b0ea774232562e9485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1048c7b0f4f47bfd5f0ce761f578fe66c05391d21000176e64a67b05e7aab38c
[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" "1048c7b0f4f47bfd5f0ce761f578fe66c05391d21000176e64a67b05e7aab38c", 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 2.41s
[INFO] running `Command { std: "docker" "inspect" "1048c7b0f4f47bfd5f0ce761f578fe66c05391d21000176e64a67b05e7aab38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1048c7b0f4f47bfd5f0ce761f578fe66c05391d21000176e64a67b05e7aab38c", kill_on_drop: false }`
[INFO] [stdout] 1048c7b0f4f47bfd5f0ce761f578fe66c05391d21000176e64a67b05e7aab38c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] 70eed214e053e4900aff0295d412c2e747ec9afe0310b446d63464ab870b4d35
[INFO] running `Command { std: "docker" "start" "-a" "70eed214e053e4900aff0295d412c2e747ec9afe0310b446d63464ab870b4d35", 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]     |                                  ^     ^
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/font_rs-f329b791522d22ec)
[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_03125 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_0625 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_015625 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_125 ... ok
[INFO] [stdout] test accumulate::tests::simple_0 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_0_25 ... ok
[INFO] [stdout] test accumulate::tests::simple_6 ... ok
[INFO] [stdout] test accumulate::tests::simple_7 ... ok
[INFO] [stdout] test accumulate::tests::simple_5 ... ok
[INFO] [stdout] test accumulate::tests::simple_4 ... ok
[INFO] [stdout] test accumulate::tests::simple_3 ... 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_5 ... ok
[INFO] [stdout] test accumulate::tests::max_255_from_1_0 ... 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; finished in 0.18s
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "70eed214e053e4900aff0295d412c2e747ec9afe0310b446d63464ab870b4d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70eed214e053e4900aff0295d412c2e747ec9afe0310b446d63464ab870b4d35", kill_on_drop: false }`
[INFO] [stdout] 70eed214e053e4900aff0295d412c2e747ec9afe0310b446d63464ab870b4d35