[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 try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Frust-synapse-compress-state" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/rust-synapse-compress-state on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "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-5-tc2/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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d97f9dc44a4e9225260fef31155b5d072e40a125f3eafea21ff626adf72a31
[INFO] running `Command { std: "docker" "start" "-a" "29d97f9dc44a4e9225260fef31155b5d072e40a125f3eafea21ff626adf72a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d97f9dc44a4e9225260fef31155b5d072e40a125f3eafea21ff626adf72a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d97f9dc44a4e9225260fef31155b5d072e40a125f3eafea21ff626adf72a31", kill_on_drop: false }`
[INFO] [stdout] 29d97f9dc44a4e9225260fef31155b5d072e40a125f3eafea21ff626adf72a31
[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" "-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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 572d0e9d0b97a98b4160eb614b9ccce9d1b127d8cc738f6e741c895d2dcececb
[INFO] running `Command { std: "docker" "start" "-a" "572d0e9d0b97a98b4160eb614b9ccce9d1b127d8cc738f6e741c895d2dcececb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking phf_shared v0.11.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]    Compiling tikv-jemalloc-sys v0.5.3+5.3.0-patched
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling portable-atomic v1.3.3
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[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 phf_shared v0.10.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking log-panics v2.1.0
[INFO] [stderr]     Checking state-map v0.1.0 (https://github.com/matrix-org/rust-matrix-state-map#211343e8)
[INFO] [stderr]     Checking hashbrown v0.12.3
[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" "572d0e9d0b97a98b4160eb614b9ccce9d1b127d8cc738f6e741c895d2dcececb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572d0e9d0b97a98b4160eb614b9ccce9d1b127d8cc738f6e741c895d2dcececb", kill_on_drop: false }`
[INFO] [stdout] 572d0e9d0b97a98b4160eb614b9ccce9d1b127d8cc738f6e741c895d2dcececb