[INFO] fetching crate font-rs 0.1.3...
[INFO] testing font-rs-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate font-rs 0.1.3 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate font-rs 0.1.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 728fab6fcdf4427b18fd7d0f17d93f0df0eace79e0bf6c0e409b504f0cf6f8bd
[INFO] running `Command { std: "docker" "start" "-a" "728fab6fcdf4427b18fd7d0f17d93f0df0eace79e0bf6c0e409b504f0cf6f8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728fab6fcdf4427b18fd7d0f17d93f0df0eace79e0bf6c0e409b504f0cf6f8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728fab6fcdf4427b18fd7d0f17d93f0df0eace79e0bf6c0e409b504f0cf6f8bd", kill_on_drop: false }`
[INFO] [stdout] 728fab6fcdf4427b18fd7d0f17d93f0df0eace79e0bf6c0e409b504f0cf6f8bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f45771081a4ab4e957af3def578027aa9bb756ade4caa8f35df3731c41c240
[INFO] running `Command { std: "docker" "start" "-a" "73f45771081a4ab4e957af3def578027aa9bb756ade4caa8f35df3731c41c240", kill_on_drop: false }`
[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 2.36s
[INFO] running `Command { std: "docker" "inspect" "73f45771081a4ab4e957af3def578027aa9bb756ade4caa8f35df3731c41c240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f45771081a4ab4e957af3def578027aa9bb756ade4caa8f35df3731c41c240", kill_on_drop: false }`
[INFO] [stdout] 73f45771081a4ab4e957af3def578027aa9bb756ade4caa8f35df3731c41c240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11c7d5c9b7c18b003d3450c38b8421ec34a705ea68421d5316493938f395905
[INFO] running `Command { std: "docker" "start" "-a" "e11c7d5c9b7c18b003d3450c38b8421ec34a705ea68421d5316493938f395905", 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "e11c7d5c9b7c18b003d3450c38b8421ec34a705ea68421d5316493938f395905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11c7d5c9b7c18b003d3450c38b8421ec34a705ea68421d5316493938f395905", kill_on_drop: false }`
[INFO] [stdout] e11c7d5c9b7c18b003d3450c38b8421ec34a705ea68421d5316493938f395905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db296fd7e565543560da1e82020738cb61819769c52db7a9fb208a90f7cef55c
[INFO] running `Command { std: "docker" "start" "-a" "db296fd7e565543560da1e82020738cb61819769c52db7a9fb208a90f7cef55c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]    --> src/font.rs:571:34
[INFO] [stdout] running 17 tests
[INFO] [stderr]     |
[INFO] [stdout] test accumulate::tests::max_255_from_0_0078125 ... ok
[INFO] [stderr] 571 |     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] test accumulate::tests::max_255_from_0_03125 ... ok
[INFO] [stderr]     |                                  ^     ^
[INFO] [stdout] test accumulate::tests::max_255_from_0_0625 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test accumulate::tests::max_255_from_0_015625 ... ok
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test accumulate::tests::max_255_from_0_125 ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test accumulate::tests::max_255_from_0_25 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test accumulate::tests::max_255_from_0_5 ... ok
[INFO] [stderr] 571 -     fn next(&mut self) -> Option<(usize)> {
[INFO] [stdout] test accumulate::tests::max_255_from_1_0 ... ok
[INFO] [stderr] 571 +     fn next(&mut self) -> Option<usize> {
[INFO] [stdout] test accumulate::tests::simple_0 ... ok
[INFO] [stderr]     | 
[INFO] [stdout] test accumulate::tests::simple_1 ... ok
[INFO] [stderr] 
[INFO] [stdout] test accumulate::tests::simple_2 ... ok
[INFO] [stderr] warning: `font-rs` (lib) generated 1 warning
[INFO] [stdout] test accumulate::tests::simple_3 ... ok
[INFO] [stderr] warning: `font-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test accumulate::tests::simple_4 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] test accumulate::tests::simple_5 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/font_rs-5a51eebec31361e4)
[INFO] [stdout] test accumulate::tests::simple_6 ... ok
[INFO] [stderr]    Doc-tests font-rs
[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] 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" "db296fd7e565543560da1e82020738cb61819769c52db7a9fb208a90f7cef55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db296fd7e565543560da1e82020738cb61819769c52db7a9fb208a90f7cef55c", kill_on_drop: false }`
[INFO] [stdout] db296fd7e565543560da1e82020738cb61819769c52db7a9fb208a90f7cef55c