[INFO] fetching crate canadensis_dsdl_frontend 0.4.1...
[INFO] checking canadensis_dsdl_frontend-0.4.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate canadensis_dsdl_frontend 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate canadensis_dsdl_frontend 0.4.1 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 canadensis_dsdl_frontend 0.4.1
[INFO] finished tweaking crates.io crate canadensis_dsdl_frontend 0.4.1
[INFO] tweaked toml for crates.io crate canadensis_dsdl_frontend 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate canadensis_dsdl_frontend 0.4.1 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 pest_derive v2.5.6
[INFO] [stderr]   Downloaded canadensis_dsdl_parser v0.3.0
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded canadensis_bit_length_set v0.3.1
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded syn v2.0.11
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971db76cfef4ffd8814354ae671bba26950818ddd8ea9d3010c49cece8ef7d19
[INFO] running `Command { std: "docker" "start" "-a" "971db76cfef4ffd8814354ae671bba26950818ddd8ea9d3010c49cece8ef7d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971db76cfef4ffd8814354ae671bba26950818ddd8ea9d3010c49cece8ef7d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971db76cfef4ffd8814354ae671bba26950818ddd8ea9d3010c49cece8ef7d19", kill_on_drop: false }`
[INFO] [stdout] 971db76cfef4ffd8814354ae671bba26950818ddd8ea9d3010c49cece8ef7d19
[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=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] 37284e56dba872a22f2fc792a9baa865b709749f9061276b4409d8b7d49446ad
[INFO] running `Command { std: "docker" "start" "-a" "37284e56dba872a22f2fc792a9baa865b709749f9061276b4409d8b7d49446ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.54/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 v0.7.20
[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" "37284e56dba872a22f2fc792a9baa865b709749f9061276b4409d8b7d49446ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37284e56dba872a22f2fc792a9baa865b709749f9061276b4409d8b7d49446ad", kill_on_drop: false }`
[INFO] [stdout] 37284e56dba872a22f2fc792a9baa865b709749f9061276b4409d8b7d49446ad
[INFO] checking canadensis_dsdl_frontend-0.4.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate canadensis_dsdl_frontend 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate canadensis_dsdl_frontend 0.4.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canadensis_dsdl_frontend 0.4.1
[INFO] finished tweaking crates.io crate canadensis_dsdl_frontend 0.4.1
[INFO] tweaked toml for crates.io crate canadensis_dsdl_frontend 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate canadensis_dsdl_frontend 0.4.1 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f6b9614553cf6e6fd145ecf2249c59faa1480712414aca7dea3f27133028afe
[INFO] running `Command { std: "docker" "start" "-a" "2f6b9614553cf6e6fd145ecf2249c59faa1480712414aca7dea3f27133028afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6b9614553cf6e6fd145ecf2249c59faa1480712414aca7dea3f27133028afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6b9614553cf6e6fd145ecf2249c59faa1480712414aca7dea3f27133028afe", kill_on_drop: false }`
[INFO] [stdout] 2f6b9614553cf6e6fd145ecf2249c59faa1480712414aca7dea3f27133028afe
[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=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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f0b4fc310309858998bea6660a91fb5e43ab988ef13ca1ee8eacbb80f7c5d3
[INFO] running `Command { std: "docker" "start" "-a" "05f0b4fc310309858998bea6660a91fb5e43ab988ef13ca1ee8eacbb80f7c5d3", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "05f0b4fc310309858998bea6660a91fb5e43ab988ef13ca1ee8eacbb80f7c5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f0b4fc310309858998bea6660a91fb5e43ab988ef13ca1ee8eacbb80f7c5d3", kill_on_drop: false }`
[INFO] [stdout] 05f0b4fc310309858998bea6660a91fb5e43ab988ef13ca1ee8eacbb80f7c5d3