[INFO] fetching crate cargo-fvmc 1.0.0...
[INFO] checking cargo-fvmc-1.0.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate cargo-fvmc 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cargo-fvmc 1.0.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-fvmc 1.0.0
[INFO] finished tweaking crates.io crate cargo-fvmc 1.0.0
[INFO] tweaked toml for crates.io crate cargo-fvmc 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-fvmc 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf919309c66ba5d064d6cd310c4e0aae45eed0832c724d9810634db6752cf8aa
[INFO] running `Command { std: "docker" "start" "-a" "bf919309c66ba5d064d6cd310c4e0aae45eed0832c724d9810634db6752cf8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf919309c66ba5d064d6cd310c4e0aae45eed0832c724d9810634db6752cf8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf919309c66ba5d064d6cd310c4e0aae45eed0832c724d9810634db6752cf8aa", kill_on_drop: false }`
[INFO] [stdout] bf919309c66ba5d064d6cd310c4e0aae45eed0832c724d9810634db6752cf8aa
[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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 055033dce181bfd91eb42135b74ac32c61ecc64205b6c1cab5fdf082e82bafa5
[INFO] running `Command { std: "docker" "start" "-a" "055033dce181bfd91eb42135b74ac32c61ecc64205b6c1cab5fdf082e82bafa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking nom8 v0.2.0
[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]     Checking aho-corasick v0.7.20
[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" "055033dce181bfd91eb42135b74ac32c61ecc64205b6c1cab5fdf082e82bafa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055033dce181bfd91eb42135b74ac32c61ecc64205b6c1cab5fdf082e82bafa5", kill_on_drop: false }`
[INFO] [stdout] 055033dce181bfd91eb42135b74ac32c61ecc64205b6c1cab5fdf082e82bafa5
