[INFO] cloning repository https://github.com/Lowkeychat/libsignal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lowkeychat/libsignal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowkeychat%2Flibsignal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowkeychat%2Flibsignal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b7f3173cc4431bc4c6e55f6182a37229b2db6fd
[INFO] checking Lowkeychat/libsignal against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowkeychat%2Flibsignal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lowkeychat/libsignal on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Lowkeychat/libsignal
[INFO] finished tweaking git repo https://github.com/Lowkeychat/libsignal
[INFO] tweaked toml for git repo https://github.com/Lowkeychat/libsignal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lowkeychat/libsignal 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/signalapp/boring`
[INFO] [stderr]     Updating git submodule `https://github.com/google/boringssl.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/boringssl.git`
[INFO] [stderr]     Updating git repository `https://github.com/signalapp/curve25519-dalek`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Lowkeychat/libsignal against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLowkeychat%2Flibsignal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lowkeychat/libsignal on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Lowkeychat/libsignal
[INFO] finished tweaking git repo https://github.com/Lowkeychat/libsignal
[INFO] tweaked toml for git repo https://github.com/Lowkeychat/libsignal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lowkeychat/libsignal 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded derive-where v1.2.1
[INFO] [stderr]   Downloaded pqcrypto-traits v0.3.4
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded pqcrypto-internals v0.2.4
[INFO] [stderr]   Downloaded unzip3 v1.0.0
[INFO] [stderr]   Downloaded syn v2.0.17
[INFO] [stderr]   Downloaded bindgen v0.62.0
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded pqcrypto-kyber v0.7.6
[INFO] [stderr]   Downloaded asn1_derive v0.9.1
[INFO] [stderr]   Downloaded asn1 v0.9.1
[INFO] [stderr]   Downloaded linkme-impl v0.3.9
[INFO] [stderr]   Downloaded linkme v0.3.9
[INFO] [stderr]   Downloaded mp4san v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1a799ab48af29134de2210fe252432e740857f65794ffe0e71485e80737420
[INFO] running `Command { std: "docker" "start" "-a" "ea1a799ab48af29134de2210fe252432e740857f65794ffe0e71485e80737420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1a799ab48af29134de2210fe252432e740857f65794ffe0e71485e80737420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1a799ab48af29134de2210fe252432e740857f65794ffe0e71485e80737420", kill_on_drop: false }`
[INFO] [stdout] ea1a799ab48af29134de2210fe252432e740857f65794ffe0e71485e80737420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4a4daccf396eac9ebd4b8f3262e7b681d4dc0ce6b9ddab15d3c02b3ccc47a4
[INFO] running `Command { std: "docker" "start" "-a" "fe4a4daccf396eac9ebd4b8f3262e7b681d4dc0ce6b9ddab15d3c02b3ccc47a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.3.3
[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" "fe4a4daccf396eac9ebd4b8f3262e7b681d4dc0ce6b9ddab15d3c02b3ccc47a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4a4daccf396eac9ebd4b8f3262e7b681d4dc0ce6b9ddab15d3c02b3ccc47a4", kill_on_drop: false }`
[INFO] [stdout] fe4a4daccf396eac9ebd4b8f3262e7b681d4dc0ce6b9ddab15d3c02b3ccc47a4