[INFO] fetching crate mlzlog 0.8.1...
[INFO] checking mlzlog-0.8.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate mlzlog 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mlzlog 0.8.1 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 mlzlog 0.8.1
[INFO] finished tweaking crates.io crate mlzlog 0.8.1
[INFO] tweaked toml for crates.io crate mlzlog 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mlzlog 0.8.1 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-cstr v0.1.6
[INFO] [stderr]   Downloaded cstr-argument v0.1.2
[INFO] [stderr]   Downloaded libsystemd-sys v0.9.3
[INFO] [stderr]   Downloaded systemd v0.10.0
[INFO] [stderr]   Downloaded build-env v0.3.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7965e8fcd606f4bdca8cd884ce066a2c3bd394832afd639a064181c9ee34a82a
[INFO] running `Command { std: "docker" "start" "-a" "7965e8fcd606f4bdca8cd884ce066a2c3bd394832afd639a064181c9ee34a82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7965e8fcd606f4bdca8cd884ce066a2c3bd394832afd639a064181c9ee34a82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7965e8fcd606f4bdca8cd884ce066a2c3bd394832afd639a064181c9ee34a82a", kill_on_drop: false }`
[INFO] [stdout] 7965e8fcd606f4bdca8cd884ce066a2c3bd394832afd639a064181c9ee34a82a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 215b354f678183d7091c9e2025820b47ccf791eab1707cf76baf2d176fbfebfb
[INFO] running `Command { std: "docker" "start" "-a" "215b354f678183d7091c9e2025820b47ccf791eab1707cf76baf2d176fbfebfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "215b354f678183d7091c9e2025820b47ccf791eab1707cf76baf2d176fbfebfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215b354f678183d7091c9e2025820b47ccf791eab1707cf76baf2d176fbfebfb", kill_on_drop: false }`
[INFO] [stdout] 215b354f678183d7091c9e2025820b47ccf791eab1707cf76baf2d176fbfebfb
[INFO] checking mlzlog-0.8.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate mlzlog 0.8.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mlzlog 0.8.1 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 mlzlog 0.8.1
[INFO] finished tweaking crates.io crate mlzlog 0.8.1
[INFO] tweaked toml for crates.io crate mlzlog 0.8.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mlzlog 0.8.1 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0b441b20c94c87587b3c4e25b2c60e4f79d30c6149b6384a461905d726d08f6
[INFO] running `Command { std: "docker" "start" "-a" "a0b441b20c94c87587b3c4e25b2c60e4f79d30c6149b6384a461905d726d08f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b441b20c94c87587b3c4e25b2c60e4f79d30c6149b6384a461905d726d08f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b441b20c94c87587b3c4e25b2c60e4f79d30c6149b6384a461905d726d08f6", kill_on_drop: false }`
[INFO] [stdout] a0b441b20c94c87587b3c4e25b2c60e4f79d30c6149b6384a461905d726d08f6
[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 -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] 86a1488c8b44ce74e3f3735a493edcebdb48ca45277d38d19efd70f18e650c64
[INFO] running `Command { std: "docker" "start" "-a" "86a1488c8b44ce74e3f3735a493edcebdb48ca45277d38d19efd70f18e650c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86a1488c8b44ce74e3f3735a493edcebdb48ca45277d38d19efd70f18e650c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a1488c8b44ce74e3f3735a493edcebdb48ca45277d38d19efd70f18e650c64", kill_on_drop: false }`
[INFO] [stdout] 86a1488c8b44ce74e3f3735a493edcebdb48ca45277d38d19efd70f18e650c64
