[INFO] fetching crate failover 0.1.2...
[INFO] testing failover-0.1.2 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate failover 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate failover 0.1.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate failover 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate failover 0.1.2
[INFO] tweaked toml for crates.io crate failover 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate failover 0.1.2 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb30b72a62affe47b19f363f2ccdd45ea12df938178c97cf46d52bd59ea294a
[INFO] running `Command { std: "docker" "start" "-a" "beb30b72a62affe47b19f363f2ccdd45ea12df938178c97cf46d52bd59ea294a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb30b72a62affe47b19f363f2ccdd45ea12df938178c97cf46d52bd59ea294a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb30b72a62affe47b19f363f2ccdd45ea12df938178c97cf46d52bd59ea294a", kill_on_drop: false }`
[INFO] [stdout] beb30b72a62affe47b19f363f2ccdd45ea12df938178c97cf46d52bd59ea294a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5337d2cd8d8aaee8e569dd058ef06bddce5224ebdc0a305fb874f61948462104
[INFO] running `Command { std: "docker" "start" "-a" "5337d2cd8d8aaee8e569dd058ef06bddce5224ebdc0a305fb874f61948462104", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling prettyplease v0.1.24
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 bytes v1.4.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.8.6
[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" "5337d2cd8d8aaee8e569dd058ef06bddce5224ebdc0a305fb874f61948462104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5337d2cd8d8aaee8e569dd058ef06bddce5224ebdc0a305fb874f61948462104", kill_on_drop: false }`
[INFO] [stdout] 5337d2cd8d8aaee8e569dd058ef06bddce5224ebdc0a305fb874f61948462104
