[INFO] cloning repository https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikeleppane/rustengan-dist-sys-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2Frustengan-dist-sys-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2Frustengan-dist-sys-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d80c5a6680a0a46d2c615b78e4eeac00712addf
[INFO] checking mikeleppane/rustengan-dist-sys-challenge against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2Frustengan-dist-sys-challenge" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge on toolchain dfdbe30004a095ad63951c4cd6e10a9a971a7399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] finished tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] tweaked toml for git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge 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" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mikeleppane/rustengan-dist-sys-challenge against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2Frustengan-dist-sys-challenge" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge on toolchain ba824a2e25948a86596ccf7594afe548020e86e6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] finished tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] tweaked toml for git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mikeleppane/rustengan-dist-sys-challenge against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2Frustengan-dist-sys-challenge" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge on toolchain ba824a2e25948a86596ccf7594afe548020e86e6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] finished tweaking git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge
[INFO] tweaked toml for git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeleppane/rustengan-dist-sys-challenge 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "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 itoa v1.0.6
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded ulid v1.0.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.22
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e9ef7d03b8972736867ce2ce37fe1294568fd122c64e0675098e94517ac7965
[INFO] running `Command { std: "docker" "start" "-a" "3e9ef7d03b8972736867ce2ce37fe1294568fd122c64e0675098e94517ac7965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9ef7d03b8972736867ce2ce37fe1294568fd122c64e0675098e94517ac7965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9ef7d03b8972736867ce2ce37fe1294568fd122c64e0675098e94517ac7965", kill_on_drop: false }`
[INFO] [stdout] 3e9ef7d03b8972736867ce2ce37fe1294568fd122c64e0675098e94517ac7965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33881b3f4e96fdc38e9802005eb250089d85c0aceef274e0d3d95c6a9771c1b9
[INFO] running `Command { std: "docker" "start" "-a" "33881b3f4e96fdc38e9802005eb250089d85c0aceef274e0d3d95c6a9771c1b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.22
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [stdout] error: aborting due to 1 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" "33881b3f4e96fdc38e9802005eb250089d85c0aceef274e0d3d95c6a9771c1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33881b3f4e96fdc38e9802005eb250089d85c0aceef274e0d3d95c6a9771c1b9", kill_on_drop: false }`
[INFO] [stdout] 33881b3f4e96fdc38e9802005eb250089d85c0aceef274e0d3d95c6a9771c1b9