[INFO] fetching crate four 0.0.13...
[INFO] checking four-0.0.13 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate four 0.0.13 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate four 0.0.13
[INFO] finished tweaking crates.io crate four 0.0.13
[INFO] tweaked toml for crates.io crate four 0.0.13 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate four 0.0.13 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding nutype v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded four_derive v0.0.13
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d563d6c1d30697f5b91fdd16f36fbedafdfc4afbb524a1aca4bcf647072004f
[INFO] running `Command { std: "docker" "start" "-a" "4d563d6c1d30697f5b91fdd16f36fbedafdfc4afbb524a1aca4bcf647072004f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d563d6c1d30697f5b91fdd16f36fbedafdfc4afbb524a1aca4bcf647072004f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d563d6c1d30697f5b91fdd16f36fbedafdfc4afbb524a1aca4bcf647072004f", kill_on_drop: false }`
[INFO] [stdout] 4d563d6c1d30697f5b91fdd16f36fbedafdfc4afbb524a1aca4bcf647072004f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773df8106bd7935de6e07483d70cae937855f6fd183cf35ab8ae1a30b52f11bb
[INFO] running `Command { std: "docker" "start" "-a" "773df8106bd7935de6e07483d70cae937855f6fd183cf35ab8ae1a30b52f11bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling nutype_macros v0.5.1
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling kinded_macros v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling four_derive v0.0.13
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling kinded v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking erased-serde v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking nutype v0.5.1
[INFO] [stderr]     Checking four v0.0.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `WillMappable<T>` is more private than the item `WillBe::<T>::map`
[INFO] [stdout]   --> src/core/convert.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     pub fn map<U>(self) -> WillBe<U>
[INFO] [stdout] 32 | |     where
[INFO] [stdout] 33 | |         U: WillMappable<T>,
[INFO] [stdout]    | |___________________________^ method `WillBe::<T>::map` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `WillMappable<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/core/convert.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) trait WillMappable<F> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WillMappable<T>` is more private than the item `WillBe::<T>::map`
[INFO] [stdout]   --> src/core/convert.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     pub fn map<U>(self) -> WillBe<U>
[INFO] [stdout] 32 | |     where
[INFO] [stdout] 33 | |         U: WillMappable<T>,
[INFO] [stdout]    | |___________________________^ method `WillBe::<T>::map` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `WillMappable<T>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/core/convert.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) trait WillMappable<F> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.04s
[INFO] running `Command { std: "docker" "inspect" "773df8106bd7935de6e07483d70cae937855f6fd183cf35ab8ae1a30b52f11bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773df8106bd7935de6e07483d70cae937855f6fd183cf35ab8ae1a30b52f11bb", kill_on_drop: false }`
[INFO] [stdout] 773df8106bd7935de6e07483d70cae937855f6fd183cf35ab8ae1a30b52f11bb