[INFO] fetching crate four 0.0.13...
[INFO] checking four-0.0.13 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate four 0.0.13 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate four 0.0.13 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b734ef0c0dec3354e92437b5406e5485a6315b93a8620ca2fc32aa26c0578e
[INFO] running `Command { std: "docker" "start" "-a" "37b734ef0c0dec3354e92437b5406e5485a6315b93a8620ca2fc32aa26c0578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b734ef0c0dec3354e92437b5406e5485a6315b93a8620ca2fc32aa26c0578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b734ef0c0dec3354e92437b5406e5485a6315b93a8620ca2fc32aa26c0578e", kill_on_drop: false }`
[INFO] [stdout] 37b734ef0c0dec3354e92437b5406e5485a6315b93a8620ca2fc32aa26c0578e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6d505131015ebf4984205b5a61984685792572f21b3125e263ee780744600d
[INFO] running `Command { std: "docker" "start" "-a" "7b6d505131015ebf4984205b5a61984685792572f21b3125e263ee780744600d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling kinded_macros v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling four_derive v0.0.13
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling kinded v0.3.0
[INFO] [stderr]    Compiling nutype_macros v0.5.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking nutype v0.5.0-beta.2
[INFO] [stderr]     Checking erased-serde v0.4.5
[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: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "7b6d505131015ebf4984205b5a61984685792572f21b3125e263ee780744600d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6d505131015ebf4984205b5a61984685792572f21b3125e263ee780744600d", kill_on_drop: false }`
[INFO] [stdout] 7b6d505131015ebf4984205b5a61984685792572f21b3125e263ee780744600d