[INFO] cloning repository https://github.com/MaksimZadar/nugen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaksimZadar/nugen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaksimZadar%2Fnugen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaksimZadar%2Fnugen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6e0add4b5afc8d7ae3749f3a74047abc9a8d1d5
[INFO] checking MaksimZadar/nugen against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaksimZadar%2Fnugen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaksimZadar/nugen 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/MaksimZadar/nugen
[INFO] finished tweaking git repo https://github.com/MaksimZadar/nugen
[INFO] tweaked toml for git repo https://github.com/MaksimZadar/nugen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MaksimZadar/nugen 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] warning: unused manifest key: package.about
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e007ea2a27cdc004506e7f688ea60c035dabca51aff88da29911dcf6948b0fa3
[INFO] running `Command { std: "docker" "start" "-a" "e007ea2a27cdc004506e7f688ea60c035dabca51aff88da29911dcf6948b0fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e007ea2a27cdc004506e7f688ea60c035dabca51aff88da29911dcf6948b0fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e007ea2a27cdc004506e7f688ea60c035dabca51aff88da29911dcf6948b0fa3", kill_on_drop: false }`
[INFO] [stdout] e007ea2a27cdc004506e7f688ea60c035dabca51aff88da29911dcf6948b0fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cee150d004366b34ec84aef8fae81bc6be0918fbbdf460bd0c776def1beba336
[INFO] running `Command { std: "docker" "start" "-a" "cee150d004366b34ec84aef8fae81bc6be0918fbbdf460bd0c776def1beba336", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking nugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `author_name`
[INFO] [stdout]   --> src/author.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         AuthorSubCommands::Set { author_name } => {}
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try ignoring the field: `author_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `author_name`
[INFO] [stdout]   --> src/author.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         AuthorSubCommands::Set { author_name } => {}
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try ignoring the field: `author_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "cee150d004366b34ec84aef8fae81bc6be0918fbbdf460bd0c776def1beba336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee150d004366b34ec84aef8fae81bc6be0918fbbdf460bd0c776def1beba336", kill_on_drop: false }`
[INFO] [stdout] cee150d004366b34ec84aef8fae81bc6be0918fbbdf460bd0c776def1beba336
[INFO] checking MaksimZadar/nugen against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaksimZadar%2Fnugen" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaksimZadar/nugen 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/MaksimZadar/nugen
[INFO] finished tweaking git repo https://github.com/MaksimZadar/nugen
[INFO] tweaked toml for git repo https://github.com/MaksimZadar/nugen written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaksimZadar/nugen 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] warning: unused manifest key: package.about
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1200cc0c386d7f916ed25f452274bfc513c368845ee14dbe41a8b77aeb9825bb
[INFO] running `Command { std: "docker" "start" "-a" "1200cc0c386d7f916ed25f452274bfc513c368845ee14dbe41a8b77aeb9825bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1200cc0c386d7f916ed25f452274bfc513c368845ee14dbe41a8b77aeb9825bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1200cc0c386d7f916ed25f452274bfc513c368845ee14dbe41a8b77aeb9825bb", kill_on_drop: false }`
[INFO] [stdout] 1200cc0c386d7f916ed25f452274bfc513c368845ee14dbe41a8b77aeb9825bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 61f26702e68735a6a8d40f455a049878e650e724fdf4da6709a9cb63587ae117
[INFO] running `Command { std: "docker" "start" "-a" "61f26702e68735a6a8d40f455a049878e650e724fdf4da6709a9cb63587ae117", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking nugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `author_name`
[INFO] [stdout]   --> src/author.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         AuthorSubCommands::Set { author_name } => {}
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try ignoring the field: `author_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `author_name`
[INFO] [stdout]   --> src/author.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         AuthorSubCommands::Set { author_name } => {}
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try ignoring the field: `author_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "61f26702e68735a6a8d40f455a049878e650e724fdf4da6709a9cb63587ae117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f26702e68735a6a8d40f455a049878e650e724fdf4da6709a9cb63587ae117", kill_on_drop: false }`
[INFO] [stdout] 61f26702e68735a6a8d40f455a049878e650e724fdf4da6709a9cb63587ae117