[INFO] fetching crate proc_macro2_helper 0.2.9...
[INFO] building proc_macro2_helper-0.2.9 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate proc_macro2_helper 0.2.9 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate proc_macro2_helper 0.2.9 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc_macro2_helper 0.2.9
[INFO] finished tweaking crates.io crate proc_macro2_helper 0.2.9
[INFO] tweaked toml for crates.io crate proc_macro2_helper 0.2.9 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f1df03454a9d5840e7f4368cc3e9d6d4b122757048e1474336f52d0c202962
[INFO] running `Command { std: "docker" "start" "-a" "53f1df03454a9d5840e7f4368cc3e9d6d4b122757048e1474336f52d0c202962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f1df03454a9d5840e7f4368cc3e9d6d4b122757048e1474336f52d0c202962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f1df03454a9d5840e7f4368cc3e9d6d4b122757048e1474336f52d0c202962", kill_on_drop: false }`
[INFO] [stdout] 53f1df03454a9d5840e7f4368cc3e9d6d4b122757048e1474336f52d0c202962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e462e803fd95c35a28585e9e43e2b5bd715ea89d085dbe2c55e0740ff653aa6
[INFO] running `Command { std: "docker" "start" "-a" "4e462e803fd95c35a28585e9e43e2b5bd715ea89d085dbe2c55e0740ff653aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc_macro2_helper v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "4e462e803fd95c35a28585e9e43e2b5bd715ea89d085dbe2c55e0740ff653aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e462e803fd95c35a28585e9e43e2b5bd715ea89d085dbe2c55e0740ff653aa6", kill_on_drop: false }`
[INFO] [stdout] 4e462e803fd95c35a28585e9e43e2b5bd715ea89d085dbe2c55e0740ff653aa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20cbd50fd1e85693ec6a577e583e18341517caeba20445ea185645460c47a1cb
[INFO] running `Command { std: "docker" "start" "-a" "20cbd50fd1e85693ec6a577e583e18341517caeba20445ea185645460c47a1cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc_macro2_helper v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "20cbd50fd1e85693ec6a577e583e18341517caeba20445ea185645460c47a1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cbd50fd1e85693ec6a577e583e18341517caeba20445ea185645460c47a1cb", kill_on_drop: false }`
[INFO] [stdout] 20cbd50fd1e85693ec6a577e583e18341517caeba20445ea185645460c47a1cb