[INFO] cloning repository https://github.com/osobiehl/rust-topology
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osobiehl/rust-topology" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosobiehl%2Frust-topology", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosobiehl%2Frust-topology'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9669b9e79179bdc82651e336d7f61785a7665ad2
[INFO] building osobiehl/rust-topology against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosobiehl%2Frust-topology" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osobiehl/rust-topology
[INFO] finished tweaking git repo https://github.com/osobiehl/rust-topology
[INFO] tweaked toml for git repo https://github.com/osobiehl/rust-topology written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osobiehl/rust-topology on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/osobiehl/rust-topology 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded bichannel v0.0.4
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded simple_logger v4.1.0
[INFO] [stderr]   Downloaded duplex v0.16.0
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded time v0.3.21
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded defmt-macros v0.3.5
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded smoltcp v0.9.1
[INFO] [stderr]   Downloaded defmt-parser v0.3.3
[INFO] [stderr]   Downloaded defmt v0.3.4
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6424ae581188a682a1a315fd78e987477ce3f37b1c3a2df3f386636f3553f968
[INFO] running `Command { std: "docker" "start" "-a" "6424ae581188a682a1a315fd78e987477ce3f37b1c3a2df3f386636f3553f968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6424ae581188a682a1a315fd78e987477ce3f37b1c3a2df3f386636f3553f968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6424ae581188a682a1a315fd78e987477ce3f37b1c3a2df3f386636f3553f968", kill_on_drop: false }`
[INFO] [stdout] 6424ae581188a682a1a315fd78e987477ce3f37b1c3a2df3f386636f3553f968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50e8595869894d239ba1a699626ce71d0ad29f37edd83db1a0911c738f8afc1
[INFO] running `Command { std: "docker" "start" "-a" "e50e8595869894d239ba1a699626ce71d0ad29f37edd83db1a0911c738f8afc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 futures-io v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling hash32 v0.2.1
[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" "e50e8595869894d239ba1a699626ce71d0ad29f37edd83db1a0911c738f8afc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50e8595869894d239ba1a699626ce71d0ad29f37edd83db1a0911c738f8afc1", kill_on_drop: false }`
[INFO] [stdout] e50e8595869894d239ba1a699626ce71d0ad29f37edd83db1a0911c738f8afc1