[INFO] fetching crate nixpacks 1.19.0...
[INFO] checking nixpacks-1.19.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate nixpacks 1.19.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nixpacks 1.19.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nixpacks 1.19.0
[INFO] finished tweaking crates.io crate nixpacks 1.19.0
[INFO] tweaked toml for crates.io crate nixpacks 1.19.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nixpacks 1.19.0 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded node-semver v2.1.0
[INFO] [stderr]   Downloaded box_drawing v0.1.2
[INFO] [stderr]   Downloaded dotenv-parser v0.1.3
[INFO] [stderr]   Downloaded pest_derive v2.5.1
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded miette-derive v5.6.0
[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded clap v4.0.30
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded insta v1.23.0
[INFO] [stderr]   Downloaded miette v5.6.0
[INFO] [stderr]   Downloaded serde_with v2.1.0
[INFO] [stderr]   Downloaded pest_meta v2.5.1
[INFO] [stderr]   Downloaded serde_with_macros v2.1.0
[INFO] [stderr]   Downloaded pest_generator v2.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccb09107db1a387731b4d46825ab856a8eaef1f1baada531fac5dbe75a12a0e6
[INFO] running `Command { std: "docker" "start" "-a" "ccb09107db1a387731b4d46825ab856a8eaef1f1baada531fac5dbe75a12a0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccb09107db1a387731b4d46825ab856a8eaef1f1baada531fac5dbe75a12a0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb09107db1a387731b4d46825ab856a8eaef1f1baada531fac5dbe75a12a0e6", kill_on_drop: false }`
[INFO] [stdout] ccb09107db1a387731b4d46825ab856a8eaef1f1baada531fac5dbe75a12a0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f874b7a45fa884253fa8648d156e3daa068c3ebbc3ba7bb9e0bd80991d752652
[INFO] running `Command { std: "docker" "start" "-a" "f874b7a45fa884253fa8648d156e3daa068c3ebbc3ba7bb9e0bd80991d752652", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v0.2.8
[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]    Compiling ahash v0.7.6
[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" "f874b7a45fa884253fa8648d156e3daa068c3ebbc3ba7bb9e0bd80991d752652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f874b7a45fa884253fa8648d156e3daa068c3ebbc3ba7bb9e0bd80991d752652", kill_on_drop: false }`
[INFO] [stdout] f874b7a45fa884253fa8648d156e3daa068c3ebbc3ba7bb9e0bd80991d752652
