[INFO] cloning repository https://github.com/Eolu/fingering_chart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eolu/fingering_chart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEolu%2Ffingering_chart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEolu%2Ffingering_chart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] df6ba7a5840afa67e136694c4523a6c8feae7437 [INFO] checking Eolu/fingering_chart against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEolu%2Ffingering_chart" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eolu/fingering_chart on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eolu/fingering_chart [INFO] finished tweaking git repo https://github.com/Eolu/fingering_chart [INFO] tweaked toml for git repo https://github.com/Eolu/fingering_chart written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Eolu/fingering_chart 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded winres v0.1.11 [INFO] [stderr] Downloaded hermit-abi v0.1.16 [INFO] [stderr] Downloaded ron v0.6.2 [INFO] [stderr] Downloaded const-gen-derive v0.5.0 [INFO] [stderr] Downloaded serde v1.0.116 [INFO] [stderr] Downloaded const-gen v1.2.0 [INFO] [stderr] Downloaded enumset_derive v0.6.0 [INFO] [stderr] Downloaded enumset v1.0.11 [INFO] [stderr] Downloaded midly v0.5.2 [INFO] [stderr] Downloaded serde_derive v1.0.116 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 519044426f0a0ff542d542c449d4b79d2a9a20760a8004c6970239ef33f2d5e5 [INFO] running `Command { std: "docker" "start" "-a" "519044426f0a0ff542d542c449d4b79d2a9a20760a8004c6970239ef33f2d5e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "519044426f0a0ff542d542c449d4b79d2a9a20760a8004c6970239ef33f2d5e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519044426f0a0ff542d542c449d4b79d2a9a20760a8004c6970239ef33f2d5e5", kill_on_drop: false }` [INFO] [stdout] 519044426f0a0ff542d542c449d4b79d2a9a20760a8004c6970239ef33f2d5e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbd9f729db6f1acf3f00043be5be84c19d27853d1f52f0ed3d53af50d4a9e804 [INFO] running `Command { std: "docker" "start" "-a" "cbd9f729db6f1acf3f00043be5be84c19d27853d1f52f0ed3d53af50d4a9e804", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking weezl v0.1.1 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking lebe v0.5.1 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking jpeg-decoder v0.2.6 [INFO] [stderr] Checking midly v0.5.2 [INFO] [stderr] Checking tiff v0.7.2 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling const-gen-derive v0.5.0 [INFO] [stderr] Compiling const-gen v1.2.0 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking flume v0.10.13 [INFO] [stderr] Checking exr v1.4.2 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling enumset_derive v0.6.0 [INFO] [stderr] Compiling sax-fingering-chart v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking image v0.24.2 [INFO] [stderr] Checking enumset v1.0.11 [INFO] [stderr] Checking ron v0.6.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.48s [INFO] running `Command { std: "docker" "inspect" "cbd9f729db6f1acf3f00043be5be84c19d27853d1f52f0ed3d53af50d4a9e804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbd9f729db6f1acf3f00043be5be84c19d27853d1f52f0ed3d53af50d4a9e804", kill_on_drop: false }` [INFO] [stdout] cbd9f729db6f1acf3f00043be5be84c19d27853d1f52f0ed3d53af50d4a9e804 [INFO] checking Eolu/fingering_chart against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEolu%2Ffingering_chart" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eolu/fingering_chart on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eolu/fingering_chart [INFO] finished tweaking git repo https://github.com/Eolu/fingering_chart [INFO] tweaked toml for git repo https://github.com/Eolu/fingering_chart written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Eolu/fingering_chart 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2f71ee24f8558aff526795f332903ffceeea7be42d9758e74fed990033b7b7d [INFO] running `Command { std: "docker" "start" "-a" "e2f71ee24f8558aff526795f332903ffceeea7be42d9758e74fed990033b7b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2f71ee24f8558aff526795f332903ffceeea7be42d9758e74fed990033b7b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2f71ee24f8558aff526795f332903ffceeea7be42d9758e74fed990033b7b7d", kill_on_drop: false }` [INFO] [stdout] e2f71ee24f8558aff526795f332903ffceeea7be42d9758e74fed990033b7b7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddeacfdab4d1496c9605ee25bf2e72805362d459517ae6747db406698ea95783 [INFO] running `Command { std: "docker" "start" "-a" "ddeacfdab4d1496c9605ee25bf2e72805362d459517ae6747db406698ea95783", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking weezl v0.1.1 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking lebe v0.5.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking jpeg-decoder v0.2.6 [INFO] [stderr] Checking midly v0.5.2 [INFO] [stderr] Checking tiff v0.7.2 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling const-gen-derive v0.5.0 [INFO] [stderr] Compiling const-gen v1.2.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking flume v0.10.13 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Checking exr v1.4.2 [INFO] [stderr] Compiling sax-fingering-chart v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling enumset_derive v0.6.0 [INFO] [stderr] Checking image v0.24.2 [INFO] [stderr] Checking enumset v1.0.11 [INFO] [stderr] Checking ron v0.6.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.42s [INFO] running `Command { std: "docker" "inspect" "ddeacfdab4d1496c9605ee25bf2e72805362d459517ae6747db406698ea95783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddeacfdab4d1496c9605ee25bf2e72805362d459517ae6747db406698ea95783", kill_on_drop: false }` [INFO] [stdout] ddeacfdab4d1496c9605ee25bf2e72805362d459517ae6747db406698ea95783