[INFO] fetching crate pqrs 0.3.1...
[INFO] checking pqrs-0.3.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate pqrs 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pqrs 0.3.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pqrs 0.3.1
[INFO] finished tweaking crates.io crate pqrs 0.3.1
[INFO] tweaked toml for crates.io crate pqrs 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pqrs 0.3.1 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.3.3
[INFO] [stderr]   Downloaded chrono-tz-build v0.1.0
[INFO] [stderr]   Downloaded arrow-buffer v40.0.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded arrow-string v40.0.0
[INFO] [stderr]   Downloaded arrow-json v40.0.0
[INFO] [stderr]   Downloaded arrow-arith v40.0.0
[INFO] [stderr]   Downloaded arrow-ord v40.0.0
[INFO] [stderr]   Downloaded arrow-row v40.0.0
[INFO] [stderr]   Downloaded arrow v40.0.0
[INFO] [stderr]   Downloaded arrow-array v40.0.0
[INFO] [stderr]   Downloaded zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]   Downloaded parquet v40.0.0
[INFO] [stderr]   Downloaded arrow-cast v40.0.0
[INFO] [stderr]   Downloaded chrono-tz v0.8.2
[INFO] [stderr]   Downloaded flatbuffers v23.1.21
[INFO] [stderr]   Downloaded arrow-ipc v40.0.0
[INFO] [stderr]   Downloaded regex v1.8.2
[INFO] [stderr]   Downloaded arrow-csv v40.0.0
[INFO] [stderr]   Downloaded arrow-schema v40.0.0
[INFO] [stderr]   Downloaded arrow-data v40.0.0
[INFO] [stderr]   Downloaded arrow-select v40.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa1757f141f637a94f1b0dc3643283895f27496f2c979ae9572aa4997d9c9fdd
[INFO] running `Command { std: "docker" "start" "-a" "fa1757f141f637a94f1b0dc3643283895f27496f2c979ae9572aa4997d9c9fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1757f141f637a94f1b0dc3643283895f27496f2c979ae9572aa4997d9c9fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1757f141f637a94f1b0dc3643283895f27496f2c979ae9572aa4997d9c9fdd", kill_on_drop: false }`
[INFO] [stdout] fa1757f141f637a94f1b0dc3643283895f27496f2c979ae9572aa4997d9c9fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 853717f569605b677aa40ddd70ea90e00d6f849f6909c7e63cd02c96964a4472
[INFO] running `Command { std: "docker" "start" "-a" "853717f569605b677aa40ddd70ea90e00d6f849f6909c7e63cd02c96964a4472", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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 half v2.2.1
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]    Compiling ahash v0.8.3
[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" "853717f569605b677aa40ddd70ea90e00d6f849f6909c7e63cd02c96964a4472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853717f569605b677aa40ddd70ea90e00d6f849f6909c7e63cd02c96964a4472", kill_on_drop: false }`
[INFO] [stdout] 853717f569605b677aa40ddd70ea90e00d6f849f6909c7e63cd02c96964a4472