[INFO] fetching crate caracat 1.0.0...
[INFO] checking caracat-1.0.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate caracat 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate caracat 1.0.0 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 caracat 1.0.0
[INFO] finished tweaking crates.io crate caracat 1.0.0
[INFO] tweaked toml for crates.io crate caracat 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate caracat 1.0.0 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 zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded serde_with_macros v2.3.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded pnet_sys v0.33.0
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded pcap v1.0.0
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded permutation_iterator v0.1.2
[INFO] [stderr]   Downloaded pnet_datalink v0.33.0
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded pnet_macros v0.33.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_base v0.33.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.33.0
[INFO] [stderr]   Downloaded pnet_packet v0.33.0
[INFO] [stderr]   Downloaded pnet v0.33.0
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded serde_with v2.3.1
[INFO] [stderr]   Downloaded ip_network_table-deps-treebitmap v0.5.0
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded pnet_transport v0.33.0
[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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4afca1be357ac27d3e29eb7744a955e374c6c730d100155291a617043711b17
[INFO] running `Command { std: "docker" "start" "-a" "c4afca1be357ac27d3e29eb7744a955e374c6c730d100155291a617043711b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4afca1be357ac27d3e29eb7744a955e374c6c730d100155291a617043711b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4afca1be357ac27d3e29eb7744a955e374c6c730d100155291a617043711b17", kill_on_drop: false }`
[INFO] [stdout] c4afca1be357ac27d3e29eb7744a955e374c6c730d100155291a617043711b17
[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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab8d9b2095b3c5dfab4b4b60d03c96429c7fa46ac00ce699f56fd6d95d00d66
[INFO] running `Command { std: "docker" "start" "-a" "1ab8d9b2095b3c5dfab4b4b60d03c96429c7fa46ac00ce699f56fd6d95d00d66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]    Compiling serde v1.0.159
[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" "1ab8d9b2095b3c5dfab4b4b60d03c96429c7fa46ac00ce699f56fd6d95d00d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab8d9b2095b3c5dfab4b4b60d03c96429c7fa46ac00ce699f56fd6d95d00d66", kill_on_drop: false }`
[INFO] [stdout] 1ab8d9b2095b3c5dfab4b4b60d03c96429c7fa46ac00ce699f56fd6d95d00d66
[INFO] checking caracat-1.0.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate caracat 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate caracat 1.0.0 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 caracat 1.0.0
[INFO] finished tweaking crates.io crate caracat 1.0.0
[INFO] tweaked toml for crates.io crate caracat 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate caracat 1.0.0 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-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca5ea747177a7bba0f867f7b5e4c9cb9df864a51d324ec279e67c8175eb066e
[INFO] running `Command { std: "docker" "start" "-a" "dca5ea747177a7bba0f867f7b5e4c9cb9df864a51d324ec279e67c8175eb066e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca5ea747177a7bba0f867f7b5e4c9cb9df864a51d324ec279e67c8175eb066e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca5ea747177a7bba0f867f7b5e4c9cb9df864a51d324ec279e67c8175eb066e", kill_on_drop: false }`
[INFO] [stdout] dca5ea747177a7bba0f867f7b5e4c9cb9df864a51d324ec279e67c8175eb066e
[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" "-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] 39f6303bd97d54d178192ea3c36a0eb864a1b3c641a955e5a4f5c9a92ce89658
[INFO] running `Command { std: "docker" "start" "-a" "39f6303bd97d54d178192ea3c36a0eb864a1b3c641a955e5a4f5c9a92ce89658", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]    Compiling serde v1.0.159
[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" "39f6303bd97d54d178192ea3c36a0eb864a1b3c641a955e5a4f5c9a92ce89658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f6303bd97d54d178192ea3c36a0eb864a1b3c641a955e5a4f5c9a92ce89658", kill_on_drop: false }`
[INFO] [stdout] 39f6303bd97d54d178192ea3c36a0eb864a1b3c641a955e5a4f5c9a92ce89658
