[INFO] cloning repository https://github.com/TriMill/complexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TriMill/complexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriMill%2Fcomplexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriMill%2Fcomplexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48a0fc81de17474125eca89b9e203337319d77d4
[INFO] checking TriMill/complexpr/48a0fc81de17474125eca89b9e203337319d77d4 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriMill%2Fcomplexpr" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TriMill/complexpr on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TriMill/complexpr
[INFO] finished tweaking git repo https://github.com/TriMill/complexpr
[INFO] tweaked toml for git repo https://github.com/TriMill/complexpr written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TriMill/complexpr 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try-partialord v0.1.3
[INFO] [stderr]   Downloaded rustyline-derive v0.7.0
[INFO] [stderr]   Downloaded fd-lock v3.0.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.36
[INFO] [stderr]   Downloaded io-lifetimes v0.7.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded thiserror v1.0.36
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v10.0.0
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded rustix v0.35.10
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57153961c2366b60c882bf57dba98e897b84908032de7ef406683ed2ee3f5ed
[INFO] running `Command { std: "docker" "start" "-a" "a57153961c2366b60c882bf57dba98e897b84908032de7ef406683ed2ee3f5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57153961c2366b60c882bf57dba98e897b84908032de7ef406683ed2ee3f5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57153961c2366b60c882bf57dba98e897b84908032de7ef406683ed2ee3f5ed", kill_on_drop: false }`
[INFO] [stdout] a57153961c2366b60c882bf57dba98e897b84908032de7ef406683ed2ee3f5ed
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96fa9497d656085e00722a780267b3f4d6fcb8f2a1fa2eee3b99f6e2d98d6b15
[INFO] running `Command { std: "docker" "start" "-a" "96fa9497d656085e00722a780267b3f4d6fcb8f2a1fa2eee3b99f6e2d98d6b15", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]    Compiling rustix v0.35.10
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking try-partialord v0.1.3
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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] [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" "96fa9497d656085e00722a780267b3f4d6fcb8f2a1fa2eee3b99f6e2d98d6b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fa9497d656085e00722a780267b3f4d6fcb8f2a1fa2eee3b99f6e2d98d6b15", kill_on_drop: false }`
[INFO] [stdout] 96fa9497d656085e00722a780267b3f4d6fcb8f2a1fa2eee3b99f6e2d98d6b15