[INFO] fetching crate krabby 0.1.8...
[INFO] checking krabby-0.1.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate krabby 0.1.8 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate krabby 0.1.8 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 krabby 0.1.8
[INFO] finished tweaking crates.io crate krabby 0.1.8
[INFO] tweaked toml for crates.io crate krabby 0.1.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate krabby 0.1.8 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 toml v0.7.6
[INFO] [stderr]   Downloaded option-ext v0.2.0
[INFO] [stderr]   Downloaded dirs-sys v0.4.1
[INFO] [stderr]   Downloaded dirs v5.0.1
[INFO] [stderr]   Downloaded serde v1.0.180
[INFO] [stderr]   Downloaded winnow v0.5.3
[INFO] [stderr]   Downloaded rustix v0.38.6
[INFO] [stderr]   Downloaded serde_derive v1.0.180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4115e53ade5c4e2a76d022bb50e7f669ee431b0e1eb3c6bbab20e630735ca97b
[INFO] running `Command { std: "docker" "start" "-a" "4115e53ade5c4e2a76d022bb50e7f669ee431b0e1eb3c6bbab20e630735ca97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4115e53ade5c4e2a76d022bb50e7f669ee431b0e1eb3c6bbab20e630735ca97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4115e53ade5c4e2a76d022bb50e7f669ee431b0e1eb3c6bbab20e630735ca97b", kill_on_drop: false }`
[INFO] [stdout] 4115e53ade5c4e2a76d022bb50e7f669ee431b0e1eb3c6bbab20e630735ca97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 94ff50230bd532e9e6b23cd7abb4c0d44f4ff623e6754ae27a8ea0ef1f277672
[INFO] running `Command { std: "docker" "start" "-a" "94ff50230bd532e9e6b23cd7abb4c0d44f4ff623e6754ae27a8ea0ef1f277672", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking winnow v0.5.3
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking rust-embed v6.8.1
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking krabby v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/pokemon.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pokemon {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub idx: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pokemon` has a derived impl for the trait `Debug`, but this is 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 `idx` is never read
[INFO] [stdout]   --> src/pokemon.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pokemon {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub idx: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pokemon` has a derived impl for the trait `Debug`, but this is 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 26.62s
[INFO] running `Command { std: "docker" "inspect" "94ff50230bd532e9e6b23cd7abb4c0d44f4ff623e6754ae27a8ea0ef1f277672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ff50230bd532e9e6b23cd7abb4c0d44f4ff623e6754ae27a8ea0ef1f277672", kill_on_drop: false }`
[INFO] [stdout] 94ff50230bd532e9e6b23cd7abb4c0d44f4ff623e6754ae27a8ea0ef1f277672
[INFO] checking krabby-0.1.8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate krabby 0.1.8 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate krabby 0.1.8 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 krabby 0.1.8
[INFO] finished tweaking crates.io crate krabby 0.1.8
[INFO] tweaked toml for crates.io crate krabby 0.1.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate krabby 0.1.8 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c3df4170f5b21db2dcfce226cdb8eb59984a7fb97c6f86362ede3c008c0de940
[INFO] running `Command { std: "docker" "start" "-a" "c3df4170f5b21db2dcfce226cdb8eb59984a7fb97c6f86362ede3c008c0de940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3df4170f5b21db2dcfce226cdb8eb59984a7fb97c6f86362ede3c008c0de940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df4170f5b21db2dcfce226cdb8eb59984a7fb97c6f86362ede3c008c0de940", kill_on_drop: false }`
[INFO] [stdout] c3df4170f5b21db2dcfce226cdb8eb59984a7fb97c6f86362ede3c008c0de940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 97a9e9f2db3aa093a4ab553c1ddf6ce31d12f9baca155d103c96823d558dccfa
[INFO] running `Command { std: "docker" "start" "-a" "97a9e9f2db3aa093a4ab553c1ddf6ce31d12f9baca155d103c96823d558dccfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking winnow v0.5.3
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking rust-embed-utils v7.8.1
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[INFO] [stderr]     Checking rust-embed v6.8.1
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking krabby v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/pokemon.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pokemon {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub idx: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pokemon` has a derived impl for the trait `Debug`, but this is 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 `idx` is never read
[INFO] [stdout]   --> src/pokemon.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pokemon {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub idx: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pokemon` has a derived impl for the trait `Debug`, but this is 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 28.45s
[INFO] running `Command { std: "docker" "inspect" "97a9e9f2db3aa093a4ab553c1ddf6ce31d12f9baca155d103c96823d558dccfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a9e9f2db3aa093a4ab553c1ddf6ce31d12f9baca155d103c96823d558dccfa", kill_on_drop: false }`
[INFO] [stdout] 97a9e9f2db3aa093a4ab553c1ddf6ce31d12f9baca155d103c96823d558dccfa