[INFO] cloning repository https://github.com/Macchina-CLI/libmacchina
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Macchina-CLI/libmacchina" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMacchina-CLI%2Flibmacchina", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMacchina-CLI%2Flibmacchina'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c357e97fa799962c90b7edb87af8923d03b5410e
[INFO] checking Macchina-CLI/libmacchina against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMacchina-CLI%2Flibmacchina" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Macchina-CLI/libmacchina on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Macchina-CLI/libmacchina
[INFO] finished tweaking git repo https://github.com/Macchina-CLI/libmacchina
[INFO] tweaked toml for git repo https://github.com/Macchina-CLI/libmacchina written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 163 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cocoa v0.20.2 (latest: v0.25.0)
[INFO] [stderr]       Adding core-foundation v0.7.0 (latest: v0.9.4)
[INFO] [stderr]       Adding core-foundation-sys v0.7.0 (latest: v0.8.6)
[INFO] [stderr]       Adding core-graphics v0.19.2 (latest: v0.23.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding gethostname v0.3.0 (latest: v0.4.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding if-addrs v0.10.2 (latest: v0.12.0)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding local-ip-address v0.5.7 (latest: v0.6.1)
[INFO] [stderr]       Adding malloc_buf v0.0.6 (latest: v1.0.0)
[INFO] [stderr]       Adding memoffset v0.7.1 (latest: v0.9.1)
[INFO] [stderr]       Adding metal v0.18.0 (latest: v0.27.0)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding pciid-parser v0.6.3 (latest: v0.7.2)
[INFO] [stderr]       Adding sqlite v0.31.1 (latest: v0.34.0)
[INFO] [stderr]       Adding sqlite3-src v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding sqlite3-sys v0.15.2 (latest: v0.16.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows v0.39.0 (latest: v0.54.0)
[INFO] [stderr]       Adding windows v0.48.0 (latest: v0.54.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-implement v0.48.0 (latest: v0.53.0)
[INFO] [stderr]       Adding windows-interface v0.48.0 (latest: v0.53.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.39.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.39.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.39.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.39.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.39.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winreg v0.10.1 (latest: v0.52.0)
[INFO] [stderr]       Adding wmi v0.12.2 (latest: v0.13.3)
[INFO] [stderr]       Adding x11rb v0.12.0 (latest: v0.13.0)
[INFO] [stderr]       Adding x11rb-protocol v0.12.0 (latest: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os-release v0.1.0
[INFO] [stderr]   Downloaded rpm-pkg-count v0.2.1
[INFO] [stderr]   Downloaded sysctl v0.5.5
[INFO] [stderr]   Downloaded wmi v0.12.2
[INFO] [stderr]   Downloaded pciid-parser v0.6.3
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca8c6698f65bfbe2f1d0e33f57b82325014799c7751ba8e83c91b835f027c7b
[INFO] running `Command { std: "docker" "start" "-a" "cca8c6698f65bfbe2f1d0e33f57b82325014799c7751ba8e83c91b835f027c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca8c6698f65bfbe2f1d0e33f57b82325014799c7751ba8e83c91b835f027c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca8c6698f65bfbe2f1d0e33f57b82325014799c7751ba8e83c91b835f027c7b", kill_on_drop: false }`
[INFO] [stdout] cca8c6698f65bfbe2f1d0e33f57b82325014799c7751ba8e83c91b835f027c7b
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cebb3d18032547e099d08d5beed80505231875708670f45b251830953bfcd1f
[INFO] running `Command { std: "docker" "start" "-a" "1cebb3d18032547e099d08d5beed80505231875708670f45b251830953bfcd1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rpm-pkg-count v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling sqlite3-src v0.5.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling libmacchina v7.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking sqlite3-sys v0.15.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking if-addrs v0.10.2
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking sqlite v0.31.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking sysctl v0.5.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pciid-parser v0.6.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "1cebb3d18032547e099d08d5beed80505231875708670f45b251830953bfcd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cebb3d18032547e099d08d5beed80505231875708670f45b251830953bfcd1f", kill_on_drop: false }`
[INFO] [stdout] 1cebb3d18032547e099d08d5beed80505231875708670f45b251830953bfcd1f
[INFO] checking Macchina-CLI/libmacchina against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMacchina-CLI%2Flibmacchina" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Macchina-CLI/libmacchina on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Macchina-CLI/libmacchina
[INFO] finished tweaking git repo https://github.com/Macchina-CLI/libmacchina
[INFO] tweaked toml for git repo https://github.com/Macchina-CLI/libmacchina written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2460ee6961eaa337800fa42814fd2ac8e41b496374f36cf48ad8e765939aac51
[INFO] running `Command { std: "docker" "start" "-a" "2460ee6961eaa337800fa42814fd2ac8e41b496374f36cf48ad8e765939aac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2460ee6961eaa337800fa42814fd2ac8e41b496374f36cf48ad8e765939aac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2460ee6961eaa337800fa42814fd2ac8e41b496374f36cf48ad8e765939aac51", kill_on_drop: false }`
[INFO] [stdout] 2460ee6961eaa337800fa42814fd2ac8e41b496374f36cf48ad8e765939aac51
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b9f54bb87e2e714cf5aadab1a5f301d285446342b4fbf0d17d73ccce4d487a
[INFO] running `Command { std: "docker" "start" "-a" "19b9f54bb87e2e714cf5aadab1a5f301d285446342b4fbf0d17d73ccce4d487a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling rpm-pkg-count v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling sqlite3-src v0.5.1
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling libmacchina v7.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking sqlite3-sys v0.15.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking if-addrs v0.10.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking sqlite v0.31.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking sysctl v0.5.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pciid-parser v0.6.3
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/linux/mod.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                         return Err(ReadoutError::Other(format!(
[INFO] [stdout] 76 | |                             "Could not parse the value '{percentage_text}' into a digit: {e:?}"
[INFO] [stdout] 77 | |                         )))
[INFO] [stdout]    | |___________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/linux/mod.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                         return Err(ReadoutError::Other(format!(
[INFO] [stdout] 76 | |                             "Could not parse the value '{percentage_text}' into a digit: {e:?}"
[INFO] [stdout] 77 | |                         )))
[INFO] [stdout]    | |___________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libmacchina` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libmacchina` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "19b9f54bb87e2e714cf5aadab1a5f301d285446342b4fbf0d17d73ccce4d487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b9f54bb87e2e714cf5aadab1a5f301d285446342b4fbf0d17d73ccce4d487a", kill_on_drop: false }`
[INFO] [stdout] 19b9f54bb87e2e714cf5aadab1a5f301d285446342b4fbf0d17d73ccce4d487a