[INFO] fetching crate piano_keyboard 0.2.3... [INFO] testing piano_keyboard-0.2.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate piano_keyboard 0.2.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate piano_keyboard 0.2.3 [INFO] finished tweaking crates.io crate piano_keyboard 0.2.3 [INFO] tweaked toml for crates.io crate piano_keyboard 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate piano_keyboard 0.2.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate piano_keyboard 0.2.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.14.1 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded num-integer v0.1.42 [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded libc v0.2.68 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded inflate v0.4.5 [INFO] [stderr] Downloaded num-iter v0.1.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0ff93b8c7b9c2a7086492c1c1c72f04a08c4b7ebc62a33f472fa891f78f459b [INFO] running `Command { std: "docker" "start" "-a" "d0ff93b8c7b9c2a7086492c1c1c72f04a08c4b7ebc62a33f472fa891f78f459b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0ff93b8c7b9c2a7086492c1c1c72f04a08c4b7ebc62a33f472fa891f78f459b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0ff93b8c7b9c2a7086492c1c1c72f04a08c4b7ebc62a33f472fa891f78f459b", kill_on_drop: false }` [INFO] [stdout] d0ff93b8c7b9c2a7086492c1c1c72f04a08c4b7ebc62a33f472fa891f78f459b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa767cda6bcd805fb9a9833353f151e48bd9c500457b60ce67aa6db77abf1d3c [INFO] running `Command { std: "docker" "start" "-a" "aa767cda6bcd805fb9a9833353f151e48bd9c500457b60ce67aa6db77abf1d3c", kill_on_drop: false }` [INFO] [stderr] Compiling piano_keyboard v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter<'_, Element> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "aa767cda6bcd805fb9a9833353f151e48bd9c500457b60ce67aa6db77abf1d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa767cda6bcd805fb9a9833353f151e48bd9c500457b60ce67aa6db77abf1d3c", kill_on_drop: false }` [INFO] [stdout] aa767cda6bcd805fb9a9833353f151e48bd9c500457b60ce67aa6db77abf1d3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf38907b9c006d93baaf48fbd1ff16853d92926abc58f081e8211939a0ed2b1a [INFO] running `Command { std: "docker" "start" "-a" "cf38907b9c006d93baaf48fbd1ff16853d92926abc58f081e8211939a0ed2b1a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter<'_, Element> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling piano_keyboard v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 82 | pub fn iter(&self) -> std::slice::Iter<'_, Element> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.98s [INFO] running `Command { std: "docker" "inspect" "cf38907b9c006d93baaf48fbd1ff16853d92926abc58f081e8211939a0ed2b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf38907b9c006d93baaf48fbd1ff16853d92926abc58f081e8211939a0ed2b1a", kill_on_drop: false }` [INFO] [stdout] cf38907b9c006d93baaf48fbd1ff16853d92926abc58f081e8211939a0ed2b1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 01809c732cf7c91653286b56aec3e0f7b0b10f094e21c0b84d5c1a9093689b0d [INFO] running `Command { std: "docker" "start" "-a" "01809c732cf7c91653286b56aec3e0f7b0b10f094e21c0b84d5c1a9093689b0d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_all_pianos ... ignored [INFO] [stdout] test tests::test_max_width ... ok [INFO] [stdout] test tests::test_standard_pianos ... ok [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 82 | pub fn iter(&self) -> std::slice::Iter<'_, Element> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `piano_keyboard` (lib) generated 1 warning (run `cargo fix --lib -p piano_keyboard` to apply 1 suggestion) [INFO] [stderr] warning: `piano_keyboard` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/piano_keyboard-8d06d342260780d1) [INFO] [stdout] test tests::test_several_widths ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] Doc-tests piano_keyboard [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" "01809c732cf7c91653286b56aec3e0f7b0b10f094e21c0b84d5c1a9093689b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01809c732cf7c91653286b56aec3e0f7b0b10f094e21c0b84d5c1a9093689b0d", kill_on_drop: false }` [INFO] [stdout] 01809c732cf7c91653286b56aec3e0f7b0b10f094e21c0b84d5c1a9093689b0d