[INFO] fetching crate cowstr 1.2.0...
[INFO] checking cowstr-1.2.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate cowstr 1.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cowstr 1.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cowstr 1.2.0
[INFO] finished tweaking crates.io crate cowstr 1.2.0
[INFO] tweaked toml for crates.io crate cowstr 1.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constptr v0.2.0
[INFO] [stderr]   Downloaded mutants v0.0.3
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6eefa76dba07482cf217004a58cb2e40744cb926f791840d7fc8029307364b8
[INFO] running `Command { std: "docker" "start" "-a" "e6eefa76dba07482cf217004a58cb2e40744cb926f791840d7fc8029307364b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6eefa76dba07482cf217004a58cb2e40744cb926f791840d7fc8029307364b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6eefa76dba07482cf217004a58cb2e40744cb926f791840d7fc8029307364b8", kill_on_drop: false }`
[INFO] [stdout] e6eefa76dba07482cf217004a58cb2e40744cb926f791840d7fc8029307364b8
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772f77aeae97a84df03f3637c7f98229f69de22e4e7c5b86e1e9ce7d80566d1d
[INFO] running `Command { std: "docker" "start" "-a" "772f77aeae97a84df03f3637c7f98229f69de22e4e7c5b86e1e9ce7d80566d1d", kill_on_drop: false }`
[INFO] [stderr]     Checking constptr v0.2.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking cowstr v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "772f77aeae97a84df03f3637c7f98229f69de22e4e7c5b86e1e9ce7d80566d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772f77aeae97a84df03f3637c7f98229f69de22e4e7c5b86e1e9ce7d80566d1d", kill_on_drop: false }`
[INFO] [stdout] 772f77aeae97a84df03f3637c7f98229f69de22e4e7c5b86e1e9ce7d80566d1d
[INFO] checking cowstr-1.2.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate cowstr 1.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cowstr 1.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cowstr 1.2.0
[INFO] finished tweaking crates.io crate cowstr 1.2.0
[INFO] tweaked toml for crates.io crate cowstr 1.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4066b99aa69e084a2f2012d40c915db50988e2d5260ba470e19a859bc5b19741
[INFO] running `Command { std: "docker" "start" "-a" "4066b99aa69e084a2f2012d40c915db50988e2d5260ba470e19a859bc5b19741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4066b99aa69e084a2f2012d40c915db50988e2d5260ba470e19a859bc5b19741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4066b99aa69e084a2f2012d40c915db50988e2d5260ba470e19a859bc5b19741", kill_on_drop: false }`
[INFO] [stdout] 4066b99aa69e084a2f2012d40c915db50988e2d5260ba470e19a859bc5b19741
[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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 665b80fb8aa42e1bf0a5a87bc505b27e0fab9b0f0fe0ac87107e42075b2969d9
[INFO] running `Command { std: "docker" "start" "-a" "665b80fb8aa42e1bf0a5a87bc505b27e0fab9b0f0fe0ac87107e42075b2969d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking constptr v0.2.0
[INFO] [stderr]     Checking cowstr v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly_assert_matches`
[INFO] [stdout]  --> tests/cowstr.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, `serde`
[INFO] [stdout]   = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly_assert_matches`
[INFO] [stdout]  --> tests/cowstr.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "nightly_assert_matches")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, `serde`
[INFO] [stdout]   = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly_assert_matches`
[INFO] [stdout]  --> tests/substr.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, `serde`
[INFO] [stdout]   = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly_assert_matches`
[INFO] [stdout]  --> tests/substr.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "nightly_assert_matches")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, `serde`
[INFO] [stdout]   = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cowstr` (test "substr") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cowstr` (test "cowstr") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "665b80fb8aa42e1bf0a5a87bc505b27e0fab9b0f0fe0ac87107e42075b2969d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665b80fb8aa42e1bf0a5a87bc505b27e0fab9b0f0fe0ac87107e42075b2969d9", kill_on_drop: false }`
[INFO] [stdout] 665b80fb8aa42e1bf0a5a87bc505b27e0fab9b0f0fe0ac87107e42075b2969d9
