[INFO] fetching crate flashy64 0.2.0...
[INFO] checking flashy64-0.2.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate flashy64 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate flashy64 0.2.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flashy64 0.2.0
[INFO] finished tweaking crates.io crate flashy64 0.2.0
[INFO] tweaked toml for crates.io crate flashy64 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate flashy64 0.2.0 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flashy64-backend v0.1.0
[INFO] [stderr]   Downloaded bpaf_derive v0.3.3
[INFO] [stderr]   Downloaded ftdi-mpsse v0.1.1
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded bpaf v0.7.8
[INFO] [stderr]   Downloaded libftd2xx-ffi v0.8.4
[INFO] [stderr]   Downloaded libftd2xx v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d50221e1c5da78362d024c63ec9c0ab41bc1f3b06c239369d726dab68696146
[INFO] running `Command { std: "docker" "start" "-a" "7d50221e1c5da78362d024c63ec9c0ab41bc1f3b06c239369d726dab68696146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d50221e1c5da78362d024c63ec9c0ab41bc1f3b06c239369d726dab68696146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d50221e1c5da78362d024c63ec9c0ab41bc1f3b06c239369d726dab68696146", kill_on_drop: false }`
[INFO] [stdout] 7d50221e1c5da78362d024c63ec9c0ab41bc1f3b06c239369d726dab68696146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8e2df67204b529326b5255137b3d22f360ca500c2fc49720d81bb0e9b3861a
[INFO] running `Command { std: "docker" "start" "-a" "8e8e2df67204b529326b5255137b3d22f360ca500c2fc49720d81bb0e9b3861a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling libftd2xx-ffi v0.8.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking ftdi-mpsse v0.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling paste v1.0.6
[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" "8e8e2df67204b529326b5255137b3d22f360ca500c2fc49720d81bb0e9b3861a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8e2df67204b529326b5255137b3d22f360ca500c2fc49720d81bb0e9b3861a", kill_on_drop: false }`
[INFO] [stdout] 8e8e2df67204b529326b5255137b3d22f360ca500c2fc49720d81bb0e9b3861a
[INFO] checking flashy64-0.2.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate flashy64 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate flashy64 0.2.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flashy64 0.2.0
[INFO] finished tweaking crates.io crate flashy64 0.2.0
[INFO] tweaked toml for crates.io crate flashy64 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate flashy64 0.2.0 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8448419b331091f727c194987d0d5382a81975f11fe63f1bd15203eed82e4ed
[INFO] running `Command { std: "docker" "start" "-a" "f8448419b331091f727c194987d0d5382a81975f11fe63f1bd15203eed82e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8448419b331091f727c194987d0d5382a81975f11fe63f1bd15203eed82e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8448419b331091f727c194987d0d5382a81975f11fe63f1bd15203eed82e4ed", kill_on_drop: false }`
[INFO] [stdout] f8448419b331091f727c194987d0d5382a81975f11fe63f1bd15203eed82e4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ba799cae423b3ee4e09c371261cf6fca4213d183456be71ee0c3cb314c6203a
[INFO] running `Command { std: "docker" "start" "-a" "1ba799cae423b3ee4e09c371261cf6fca4213d183456be71ee0c3cb314c6203a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling libftd2xx-ffi v0.8.4
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking ftdi-mpsse v0.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 aho-corasick v0.7.18
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[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" "1ba799cae423b3ee4e09c371261cf6fca4213d183456be71ee0c3cb314c6203a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba799cae423b3ee4e09c371261cf6fca4213d183456be71ee0c3cb314c6203a", kill_on_drop: false }`
[INFO] [stdout] 1ba799cae423b3ee4e09c371261cf6fca4213d183456be71ee0c3cb314c6203a
