[INFO] cloning repository https://github.com/minskylab/plexo-resources
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minskylab/plexo-resources" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminskylab%2Fplexo-resources", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminskylab%2Fplexo-resources'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b6e530d26c5394764c5bcf685a3437b4328515
[INFO] checking minskylab/plexo-resources against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminskylab%2Fplexo-resources" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minskylab/plexo-resources
[INFO] finished tweaking git repo https://github.com/minskylab/plexo-resources
[INFO] tweaked toml for git repo https://github.com/minskylab/plexo-resources written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minskylab/plexo-resources on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minskylab/plexo-resources 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.13
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded schemars_derive v0.8.11
[INFO] [stderr]   Downloaded dyn-clone v1.0.9
[INFO] [stderr]   Downloaded http-range-header v0.3.0
[INFO] [stderr]   Downloaded darling_macro v0.14.1
[INFO] [stderr]   Downloaded strings v0.1.1
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded schemars v0.8.11
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded kube v0.75.0
[INFO] [stderr]   Downloaded kube-derive v0.75.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded hyper-openssl v0.9.2
[INFO] [stderr]   Downloaded ucd-util v0.1.9
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.4
[INFO] [stderr]   Downloaded darling v0.14.1
[INFO] [stderr]   Downloaded ahash v0.8.0
[INFO] [stderr]   Downloaded backoff v0.4.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded kube-runtime v0.75.0
[INFO] [stderr]   Downloaded darling_core v0.14.1
[INFO] [stderr]   Downloaded kube-client v0.75.0
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded rustfmt v0.10.0
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded kube-core v0.75.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded k8s-openapi v0.16.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d65c081d1725eb52b5f0cd66581b459c6a0d77c7c5e6ed6617fa824e2f9b607
[INFO] running `Command { std: "docker" "start" "-a" "1d65c081d1725eb52b5f0cd66581b459c6a0d77c7c5e6ed6617fa824e2f9b607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d65c081d1725eb52b5f0cd66581b459c6a0d77c7c5e6ed6617fa824e2f9b607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d65c081d1725eb52b5f0cd66581b459c6a0d77c7c5e6ed6617fa824e2f9b607", kill_on_drop: false }`
[INFO] [stdout] 1d65c081d1725eb52b5f0cd66581b459c6a0d77c7c5e6ed6617fa824e2f9b607
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6526c5f9872c2a4315a6313d76816b579f8d277f82dd121212e3b880068b5b6
[INFO] running `Command { std: "docker" "start" "-a" "b6526c5f9872c2a4315a6313d76816b579f8d277f82dd121212e3b880068b5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b6526c5f9872c2a4315a6313d76816b579f8d277f82dd121212e3b880068b5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6526c5f9872c2a4315a6313d76816b579f8d277f82dd121212e3b880068b5b6", kill_on_drop: false }`
[INFO] [stdout] b6526c5f9872c2a4315a6313d76816b579f8d277f82dd121212e3b880068b5b6