[INFO] cloning repository https://github.com/ImGilbes/asynch_chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImGilbes/asynch_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImGilbes%2Fasynch_chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImGilbes%2Fasynch_chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0d57231a2ac96e7ca1ee863f11023a60287539
[INFO] checking ImGilbes/asynch_chat against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImGilbes%2Fasynch_chat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ImGilbes/asynch_chat
[INFO] finished tweaking git repo https://github.com/ImGilbes/asynch_chat
[INFO] tweaked toml for git repo https://github.com/ImGilbes/asynch_chat written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ImGilbes/asynch_chat on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ImGilbes/asynch_chat 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ImGilbes/asynch_chat against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImGilbes%2Fasynch_chat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ImGilbes/asynch_chat
[INFO] finished tweaking git repo https://github.com/ImGilbes/asynch_chat
[INFO] tweaked toml for git repo https://github.com/ImGilbes/asynch_chat written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ImGilbes/asynch_chat on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ImGilbes/asynch_chat 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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 parse-zoneinfo v0.1.1
[INFO] [stderr]   Downloaded ucd-util v0.1.9
[INFO] [stderr]   Downloaded chrono-tz v0.4.1
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d36e8397dbc13d5a440b3d23e9305bba2996359fb2bb605138f4609cbe1376f
[INFO] running `Command { std: "docker" "start" "-a" "8d36e8397dbc13d5a440b3d23e9305bba2996359fb2bb605138f4609cbe1376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d36e8397dbc13d5a440b3d23e9305bba2996359fb2bb605138f4609cbe1376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d36e8397dbc13d5a440b3d23e9305bba2996359fb2bb605138f4609cbe1376f", kill_on_drop: false }`
[INFO] [stdout] 8d36e8397dbc13d5a440b3d23e9305bba2996359fb2bb605138f4609cbe1376f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac04d852429ddcce10e3401a58a4b03f02f9fdf9b2f462d9099b97c8172c92d1
[INFO] running `Command { std: "docker" "start" "-a" "ac04d852429ddcce10e3401a58a4b03f02f9fdf9b2f462d9099b97c8172c92d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling ucd-util v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ac04d852429ddcce10e3401a58a4b03f02f9fdf9b2f462d9099b97c8172c92d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac04d852429ddcce10e3401a58a4b03f02f9fdf9b2f462d9099b97c8172c92d1", kill_on_drop: false }`
[INFO] [stdout] ac04d852429ddcce10e3401a58a4b03f02f9fdf9b2f462d9099b97c8172c92d1