[INFO] cloning repository https://github.com/erikjohnston/rust-synapse-compress-state
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikjohnston/rust-synapse-compress-state" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-synapse-compress-state", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-synapse-compress-state'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 982ee5ead839938c90fa5d0ac871ae31393ba891
[INFO] checking erikjohnston/rust-synapse-compress-state against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-synapse-compress-state" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/rust-synapse-compress-state on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erikjohnston/rust-synapse-compress-state
[INFO] finished tweaking git repo https://github.com/erikjohnston/rust-synapse-compress-state
[INFO] tweaked toml for git repo https://github.com/erikjohnston/rust-synapse-compress-state written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/rust-synapse-compress-state 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/matrix-org/rust-matrix-state-map`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postgres v0.19.5
[INFO] [stderr]   Downloaded postgres-types v0.2.5
[INFO] [stderr]   Downloaded pyo3-macros v0.19.0
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.0
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded postgres-openssl v0.5.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.7
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.0
[INFO] [stderr]   Downloaded tokio-postgres v0.7.8
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.0
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded pyo3-log v0.8.2
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] [stderr]   Downloaded postgres-protocol v0.6.5
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.5.3+5.3.0-patched
[INFO] [stderr]   Downloaded pyo3 v0.19.0
[INFO] [stderr]   Downloaded tikv-jemallocator v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf6521c86eec9f3e633e91469f4a7c0199c2ca2763ef16a840eb904797c0d64
[INFO] running `Command { std: "docker" "start" "-a" "6bf6521c86eec9f3e633e91469f4a7c0199c2ca2763ef16a840eb904797c0d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf6521c86eec9f3e633e91469f4a7c0199c2ca2763ef16a840eb904797c0d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf6521c86eec9f3e633e91469f4a7c0199c2ca2763ef16a840eb904797c0d64", kill_on_drop: false }`
[INFO] [stdout] 6bf6521c86eec9f3e633e91469f4a7c0199c2ca2763ef16a840eb904797c0d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1417bdd7ae3704b5e3e63dcb21e8c90afe0ddccb0ebe46b304de98370d310c77
[INFO] running `Command { std: "docker" "start" "-a" "1417bdd7ae3704b5e3e63dcb21e8c90afe0ddccb0ebe46b304de98370d310c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1417bdd7ae3704b5e3e63dcb21e8c90afe0ddccb0ebe46b304de98370d310c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1417bdd7ae3704b5e3e63dcb21e8c90afe0ddccb0ebe46b304de98370d310c77", kill_on_drop: false }`
[INFO] [stdout] 1417bdd7ae3704b5e3e63dcb21e8c90afe0ddccb0ebe46b304de98370d310c77