[INFO] fetching crate ola 0.1.0...
[INFO] building ola-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate ola 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ola 0.1.0
[INFO] finished tweaking crates.io crate ola 0.1.0
[INFO] tweaked toml for crates.io crate ola 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ola 0.1.0 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 crates.io crate ola 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.2
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded prost-types v0.11.8
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded prettyplease v0.1.25
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded prost-build v0.11.8
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded petgraph v0.6.3
[INFO] [stderr]   Downloaded prost-derive v0.11.8
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded prost v0.11.8
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded rustix v0.37.5
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded multimap v0.8.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d31a33274a719f74f621022cbcd5682d08c92b4b1e76d91c2b969f9be7ba4366
[INFO] running `Command { std: "docker" "start" "-a" "d31a33274a719f74f621022cbcd5682d08c92b4b1e76d91c2b969f9be7ba4366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31a33274a719f74f621022cbcd5682d08c92b4b1e76d91c2b969f9be7ba4366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31a33274a719f74f621022cbcd5682d08c92b4b1e76d91c2b969f9be7ba4366", kill_on_drop: false }`
[INFO] [stdout] d31a33274a719f74f621022cbcd5682d08c92b4b1e76d91c2b969f9be7ba4366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 25a66eaa4474ebd1dd409aa6bc62422c9c88fde25e2ecddaf4e66084ae76e96c
[INFO] running `Command { std: "docker" "start" "-a" "25a66eaa4474ebd1dd409aa6bc62422c9c88fde25e2ecddaf4e66084ae76e96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling linux-raw-sys v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[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" "25a66eaa4474ebd1dd409aa6bc62422c9c88fde25e2ecddaf4e66084ae76e96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a66eaa4474ebd1dd409aa6bc62422c9c88fde25e2ecddaf4e66084ae76e96c", kill_on_drop: false }`
[INFO] [stdout] 25a66eaa4474ebd1dd409aa6bc62422c9c88fde25e2ecddaf4e66084ae76e96c