[INFO] fetching crate kyushu 0.18.1...
[INFO] checking kyushu-0.18.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kyushu 0.18.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate kyushu 0.18.1 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 kyushu 0.18.1
[INFO] finished tweaking crates.io crate kyushu 0.18.1
[INFO] tweaked toml for crates.io crate kyushu 0.18.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate kyushu 0.18.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] [stderr]   Downloaded redmaple v0.18.2
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded whirlybird v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 425a33508c0639e143e6e57db233f536390eb015f5f2879d5619b51644af9fdf
[INFO] running `Command { std: "docker" "start" "-a" "425a33508c0639e143e6e57db233f536390eb015f5f2879d5619b51644af9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425a33508c0639e143e6e57db233f536390eb015f5f2879d5619b51644af9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425a33508c0639e143e6e57db233f536390eb015f5f2879d5619b51644af9fdf", kill_on_drop: false }`
[INFO] [stdout] 425a33508c0639e143e6e57db233f536390eb015f5f2879d5619b51644af9fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 577cefb527523225aece447aaf3be0fc3f2b500ab015dac04f5bb1ec1ccec838
[INFO] running `Command { std: "docker" "start" "-a" "577cefb527523225aece447aaf3be0fc3f2b500ab015dac04f5bb1ec1ccec838", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking redmaple v0.18.2
[INFO] [stderr]     Checking whirlybird v0.13.4
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking kyushu v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `kyushu` is imported redundantly
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     self,
[INFO] [stdout]    |     ^^^^ the item `kyushu` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kyushu` is imported redundantly
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     self,
[INFO] [stdout]    |     ^^^^ the item `kyushu` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 17.21s
[INFO] running `Command { std: "docker" "inspect" "577cefb527523225aece447aaf3be0fc3f2b500ab015dac04f5bb1ec1ccec838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577cefb527523225aece447aaf3be0fc3f2b500ab015dac04f5bb1ec1ccec838", kill_on_drop: false }`
[INFO] [stdout] 577cefb527523225aece447aaf3be0fc3f2b500ab015dac04f5bb1ec1ccec838
[INFO] checking kyushu-0.18.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate kyushu 0.18.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate kyushu 0.18.1 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 kyushu 0.18.1
[INFO] finished tweaking crates.io crate kyushu 0.18.1
[INFO] tweaked toml for crates.io crate kyushu 0.18.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate kyushu 0.18.1 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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dd56b4bf698180900ccd4c454ea40cb91cbbf2951679ba79d21237cc957fd1a7
[INFO] running `Command { std: "docker" "start" "-a" "dd56b4bf698180900ccd4c454ea40cb91cbbf2951679ba79d21237cc957fd1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd56b4bf698180900ccd4c454ea40cb91cbbf2951679ba79d21237cc957fd1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd56b4bf698180900ccd4c454ea40cb91cbbf2951679ba79d21237cc957fd1a7", kill_on_drop: false }`
[INFO] [stdout] dd56b4bf698180900ccd4c454ea40cb91cbbf2951679ba79d21237cc957fd1a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 680f59083507745ed8f54043248a5a2b8ec52801e72136e68c9fde44eeccd048
[INFO] running `Command { std: "docker" "start" "-a" "680f59083507745ed8f54043248a5a2b8ec52801e72136e68c9fde44eeccd048", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking redmaple v0.18.2
[INFO] [stderr]     Checking whirlybird v0.13.4
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking kyushu v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `kyushu` is imported redundantly
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     self,
[INFO] [stdout]    |     ^^^^ the item `kyushu` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kyushu` is imported redundantly
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     self,
[INFO] [stdout]    |     ^^^^ the item `kyushu` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 14.67s
[INFO] running `Command { std: "docker" "inspect" "680f59083507745ed8f54043248a5a2b8ec52801e72136e68c9fde44eeccd048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680f59083507745ed8f54043248a5a2b8ec52801e72136e68c9fde44eeccd048", kill_on_drop: false }`
[INFO] [stdout] 680f59083507745ed8f54043248a5a2b8ec52801e72136e68c9fde44eeccd048