[INFO] fetching crate thiserror_core2 2.0.1...
[INFO] building thiserror_core2-2.0.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate thiserror_core2 2.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate thiserror_core2 2.0.1
[INFO] finished tweaking crates.io crate thiserror_core2 2.0.1
[INFO] tweaked toml for crates.io crate thiserror_core2 2.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thiserror_core2 2.0.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f152b9b9c32412826608e11892885f44fe1db833c1ae49c897259f5d500efe8c
[INFO] running `Command { std: "docker" "start" "-a" "f152b9b9c32412826608e11892885f44fe1db833c1ae49c897259f5d500efe8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f152b9b9c32412826608e11892885f44fe1db833c1ae49c897259f5d500efe8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f152b9b9c32412826608e11892885f44fe1db833c1ae49c897259f5d500efe8c", kill_on_drop: false }`
[INFO] [stdout] f152b9b9c32412826608e11892885f44fe1db833c1ae49c897259f5d500efe8c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 825bb0d6101e6c6fccbe27daec4a995945d956bc0c02cd61a31c42a3104beec6
[INFO] running `Command { std: "docker" "start" "-a" "825bb0d6101e6c6fccbe27daec4a995945d956bc0c02cd61a31c42a3104beec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling thiserror_core2-impl v2.0.0
[INFO] [stderr]    Compiling thiserror_core2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "825bb0d6101e6c6fccbe27daec4a995945d956bc0c02cd61a31c42a3104beec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825bb0d6101e6c6fccbe27daec4a995945d956bc0c02cd61a31c42a3104beec6", kill_on_drop: false }`
[INFO] [stdout] 825bb0d6101e6c6fccbe27daec4a995945d956bc0c02cd61a31c42a3104beec6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20775c13275f1a8341f23ccc334d0ba26e8cfc2df44befc7a400897e0897191e
[INFO] running `Command { std: "docker" "start" "-a" "20775c13275f1a8341f23ccc334d0ba26e8cfc2df44befc7a400897e0897191e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stderr]    Compiling thiserror_core2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]  --> tests/test_backtrace.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(thiserror_nightly_testing, feature(backtrace))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]  --> tests/test_backtrace.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(thiserror_nightly_testing)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]   --> tests/test_backtrace.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[cfg(thiserror_nightly_testing)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]    --> tests/test_backtrace.rs:124:7
[INFO] [stdout]     |
[INFO] [stdout] 124 | #[cfg(thiserror_nightly_testing)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]    --> tests/test_backtrace.rs:247:16
[INFO] [stdout]     |
[INFO] [stdout] 247 | #[cfg_attr(not(thiserror_nightly_testing), ignore)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]  --> tests/test_option.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(thiserror_nightly_testing, feature(backtrace))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]  --> tests/test_option.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(thiserror_nightly_testing)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]   --> tests/test_option.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[cfg(thiserror_nightly_testing)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `thiserror_nightly_testing`
[INFO] [stdout]    --> tests/test_option.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[cfg_attr(not(thiserror_nightly_testing), ignore)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(thiserror_nightly_testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thiserror_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> tests/test_from.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core2::{error::Error as _, io};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "20775c13275f1a8341f23ccc334d0ba26e8cfc2df44befc7a400897e0897191e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20775c13275f1a8341f23ccc334d0ba26e8cfc2df44befc7a400897e0897191e", kill_on_drop: false }`
[INFO] [stdout] 20775c13275f1a8341f23ccc334d0ba26e8cfc2df44befc7a400897e0897191e
