[INFO] fetching crate maomi 0.4.0...
[INFO] checking maomi-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate maomi 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate maomi 0.4.0 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 maomi 0.4.0
[INFO] finished tweaking crates.io crate maomi 0.4.0
[INFO] tweaked toml for crates.io crate maomi 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded maomi-tree v0.4.0
[INFO] [stderr]   Downloaded maomi-skin v0.4.0
[INFO] [stderr]   Downloaded maomi-macro v0.4.0
[INFO] [stderr]   Downloaded maomi-tools v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 39da55bc0c7674341c3e2ddb17fb588a9f2416e1cb1ad17ef0832a00d6cedac8
[INFO] running `Command { std: "docker" "start" "-a" "39da55bc0c7674341c3e2ddb17fb588a9f2416e1cb1ad17ef0832a00d6cedac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39da55bc0c7674341c3e2ddb17fb588a9f2416e1cb1ad17ef0832a00d6cedac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39da55bc0c7674341c3e2ddb17fb588a9f2416e1cb1ad17ef0832a00d6cedac8", kill_on_drop: false }`
[INFO] [stdout] 39da55bc0c7674341c3e2ddb17fb588a9f2416e1cb1ad17ef0832a00d6cedac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f67e1395370f320f684db1a0743566fb7fef7d562356bcd5cd405accf6bd7fab
[INFO] running `Command { std: "docker" "start" "-a" "f67e1395370f320f684db1a0743566fb7fef7d562356bcd5cd405accf6bd7fab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking maomi-tree v0.4.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling maomi-tools v0.4.0
[INFO] [stderr]    Compiling maomi-skin v0.4.0
[INFO] [stderr]    Compiling maomi-macro v0.4.0
[INFO] [stderr]     Checking maomi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `UpdateSchedulerWeak` is never used
[INFO] [stdout]    --> src/component.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 | pub(crate) trait UpdateSchedulerWeak: 'static {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: trait `UpdateSchedulerWeak` is never used
[INFO] [stdout]    --> src/component.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 | pub(crate) trait UpdateSchedulerWeak: 'static {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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 33.74s
[INFO] running `Command { std: "docker" "inspect" "f67e1395370f320f684db1a0743566fb7fef7d562356bcd5cd405accf6bd7fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67e1395370f320f684db1a0743566fb7fef7d562356bcd5cd405accf6bd7fab", kill_on_drop: false }`
[INFO] [stdout] f67e1395370f320f684db1a0743566fb7fef7d562356bcd5cd405accf6bd7fab
[INFO] checking maomi-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate maomi 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate maomi 0.4.0 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 maomi 0.4.0
[INFO] finished tweaking crates.io crate maomi 0.4.0
[INFO] tweaked toml for crates.io crate maomi 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c57ac7ac3f021858aa108c5f84164c0fa1f9dffdfa67dfa6780fd42f19d74e34
[INFO] running `Command { std: "docker" "start" "-a" "c57ac7ac3f021858aa108c5f84164c0fa1f9dffdfa67dfa6780fd42f19d74e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57ac7ac3f021858aa108c5f84164c0fa1f9dffdfa67dfa6780fd42f19d74e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ac7ac3f021858aa108c5f84164c0fa1f9dffdfa67dfa6780fd42f19d74e34", kill_on_drop: false }`
[INFO] [stdout] c57ac7ac3f021858aa108c5f84164c0fa1f9dffdfa67dfa6780fd42f19d74e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 102606af60bd29ebbf82e228f255e58d209527ff6affd195d9efccc7e949e38e
[INFO] running `Command { std: "docker" "start" "-a" "102606af60bd29ebbf82e228f255e58d209527ff6affd195d9efccc7e949e38e", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking maomi-tree v0.4.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling maomi-tools v0.4.0
[INFO] [stderr]    Compiling maomi-skin v0.4.0
[INFO] [stderr]    Compiling maomi-macro v0.4.0
[INFO] [stderr]     Checking maomi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `UpdateSchedulerWeak` is never used
[INFO] [stdout]    --> src/component.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 | pub(crate) trait UpdateSchedulerWeak: 'static {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UpdateSchedulerWeak` is never used
[INFO] [stdout]    --> src/component.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 | pub(crate) trait UpdateSchedulerWeak: 'static {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.31s
[INFO] running `Command { std: "docker" "inspect" "102606af60bd29ebbf82e228f255e58d209527ff6affd195d9efccc7e949e38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102606af60bd29ebbf82e228f255e58d209527ff6affd195d9efccc7e949e38e", kill_on_drop: false }`
[INFO] [stdout] 102606af60bd29ebbf82e228f255e58d209527ff6affd195d9efccc7e949e38e