[INFO] fetching crate sax-fingering-chart 0.2.5...
[INFO] checking sax-fingering-chart-0.2.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate sax-fingering-chart 0.2.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate sax-fingering-chart 0.2.5 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 crates.io crate sax-fingering-chart 0.2.5
[INFO] finished tweaking crates.io crate sax-fingering-chart 0.2.5
[INFO] tweaked toml for crates.io crate sax-fingering-chart 0.2.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate sax-fingering-chart 0.2.5 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 enumset_derive v0.6.0
[INFO] [stderr]   Downloaded enumset v1.0.11
[INFO] [stderr]   Downloaded flume v0.10.13
[INFO] [stderr]   Downloaded const-gen-derive v0.5.0
[INFO] [stderr]   Downloaded midly v0.5.2
[INFO] [stderr]   Downloaded weezl v0.1.1
[INFO] [stderr]   Downloaded ron v0.6.2
[INFO] [stderr]   Downloaded winres v0.1.11
[INFO] [stderr]   Downloaded const-gen v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 90bb2bb512955ffb5afc4d91513116b0843a638da92b39a08605675e8cfb8568
[INFO] running `Command { std: "docker" "start" "-a" "90bb2bb512955ffb5afc4d91513116b0843a638da92b39a08605675e8cfb8568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90bb2bb512955ffb5afc4d91513116b0843a638da92b39a08605675e8cfb8568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bb2bb512955ffb5afc4d91513116b0843a638da92b39a08605675e8cfb8568", kill_on_drop: false }`
[INFO] [stdout] 90bb2bb512955ffb5afc4d91513116b0843a638da92b39a08605675e8cfb8568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f3995ce886fd0008c03432c4b5b64d37806503f08b7d8711b46db0116d8df7cd
[INFO] running `Command { std: "docker" "start" "-a" "f3995ce886fd0008c03432c4b5b64d37806503f08b7d8711b46db0116d8df7cd", 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]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[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 fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking lebe v0.5.1
[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-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking base64 v0.12.3
[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 threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[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 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 28.17s
[INFO] running `Command { std: "docker" "inspect" "f3995ce886fd0008c03432c4b5b64d37806503f08b7d8711b46db0116d8df7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3995ce886fd0008c03432c4b5b64d37806503f08b7d8711b46db0116d8df7cd", kill_on_drop: false }`
[INFO] [stdout] f3995ce886fd0008c03432c4b5b64d37806503f08b7d8711b46db0116d8df7cd
[INFO] checking sax-fingering-chart-0.2.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate sax-fingering-chart 0.2.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate sax-fingering-chart 0.2.5 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 crates.io crate sax-fingering-chart 0.2.5
[INFO] finished tweaking crates.io crate sax-fingering-chart 0.2.5
[INFO] tweaked toml for crates.io crate sax-fingering-chart 0.2.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate sax-fingering-chart 0.2.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1d450f4c8d73bdc9997be7438e81bb6f175b4576a39b925befa52c2fe0847102
[INFO] running `Command { std: "docker" "start" "-a" "1d450f4c8d73bdc9997be7438e81bb6f175b4576a39b925befa52c2fe0847102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d450f4c8d73bdc9997be7438e81bb6f175b4576a39b925befa52c2fe0847102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d450f4c8d73bdc9997be7438e81bb6f175b4576a39b925befa52c2fe0847102", kill_on_drop: false }`
[INFO] [stdout] 1d450f4c8d73bdc9997be7438e81bb6f175b4576a39b925befa52c2fe0847102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 62ff2e00f6452b3b1eb43daf4b87213bf74aa8df7f9e0d7b27738912a6e165e1
[INFO] running `Command { std: "docker" "start" "-a" "62ff2e00f6452b3b1eb43daf4b87213bf74aa8df7f9e0d7b27738912a6e165e1", 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]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking spin v0.9.3
[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 inflate v0.4.5
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking base64 v0.12.3
[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]    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 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 ron v0.6.2
[INFO] [stderr]     Checking enumset v1.0.11
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "62ff2e00f6452b3b1eb43daf4b87213bf74aa8df7f9e0d7b27738912a6e165e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ff2e00f6452b3b1eb43daf4b87213bf74aa8df7f9e0d7b27738912a6e165e1", kill_on_drop: false }`
[INFO] [stdout] 62ff2e00f6452b3b1eb43daf4b87213bf74aa8df7f9e0d7b27738912a6e165e1