[INFO] fetching crate figrs 0.3.1...
[INFO] checking figrs-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate figrs 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate figrs 0.3.1 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 figrs 0.3.1
[INFO] finished tweaking crates.io crate figrs 0.3.1
[INFO] tweaked toml for crates.io crate figrs 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate figrs 0.3.1 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 rust-embed-impl v8.0.0
[INFO] [stderr]   Downloaded rust-embed-utils v8.0.0
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded cpufeatures v0.2.10
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded rust-embed v8.0.0
[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] 1cc5f1a39b10dd57c54ed2efb4004eafa302a14c3cbbbfc338cc18e624c5d60b
[INFO] running `Command { std: "docker" "start" "-a" "1cc5f1a39b10dd57c54ed2efb4004eafa302a14c3cbbbfc338cc18e624c5d60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc5f1a39b10dd57c54ed2efb4004eafa302a14c3cbbbfc338cc18e624c5d60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc5f1a39b10dd57c54ed2efb4004eafa302a14c3cbbbfc338cc18e624c5d60b", kill_on_drop: false }`
[INFO] [stdout] 1cc5f1a39b10dd57c54ed2efb4004eafa302a14c3cbbbfc338cc18e624c5d60b
[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] 944f3e2fd053b40526a5672ab26faf284697bab0d421078d505098dbc08b1214
[INFO] running `Command { std: "docker" "start" "-a" "944f3e2fd053b40526a5672ab26faf284697bab0d421078d505098dbc08b1214", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling cpufeatures v0.2.10
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking rust-embed-utils v8.0.0
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling rust-embed-impl v8.0.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking rust-embed v8.0.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking figrs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "944f3e2fd053b40526a5672ab26faf284697bab0d421078d505098dbc08b1214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944f3e2fd053b40526a5672ab26faf284697bab0d421078d505098dbc08b1214", kill_on_drop: false }`
[INFO] [stdout] 944f3e2fd053b40526a5672ab26faf284697bab0d421078d505098dbc08b1214
[INFO] checking figrs-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate figrs 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate figrs 0.3.1 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 figrs 0.3.1
[INFO] finished tweaking crates.io crate figrs 0.3.1
[INFO] tweaked toml for crates.io crate figrs 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate figrs 0.3.1 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] 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] 937f5a978c0a8d7728e3022191ac6e00079a1c0e9ee3fc4080e06eb196335b46
[INFO] running `Command { std: "docker" "start" "-a" "937f5a978c0a8d7728e3022191ac6e00079a1c0e9ee3fc4080e06eb196335b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937f5a978c0a8d7728e3022191ac6e00079a1c0e9ee3fc4080e06eb196335b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937f5a978c0a8d7728e3022191ac6e00079a1c0e9ee3fc4080e06eb196335b46", kill_on_drop: false }`
[INFO] [stdout] 937f5a978c0a8d7728e3022191ac6e00079a1c0e9ee3fc4080e06eb196335b46
[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] 8806e9434084dc59d7b7152f9af83c4f82c208bc82ded05bd18912b806100282
[INFO] running `Command { std: "docker" "start" "-a" "8806e9434084dc59d7b7152f9af83c4f82c208bc82ded05bd18912b806100282", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling cpufeatures v0.2.10
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rust-embed-utils v8.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling rust-embed-impl v8.0.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking rust-embed v8.0.0
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking figrs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]  --> src/options.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Options {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub font: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "8806e9434084dc59d7b7152f9af83c4f82c208bc82ded05bd18912b806100282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8806e9434084dc59d7b7152f9af83c4f82c208bc82ded05bd18912b806100282", kill_on_drop: false }`
[INFO] [stdout] 8806e9434084dc59d7b7152f9af83c4f82c208bc82ded05bd18912b806100282