[INFO] cloning repository https://github.com/idanmuze/threadrook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idanmuze/threadrook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidanmuze%2Fthreadrook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidanmuze%2Fthreadrook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0435db2821d251d6c63da1bd649db21bcbeb98a
[INFO] checking idanmuze/threadrook against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidanmuze%2Fthreadrook" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/idanmuze/threadrook
[INFO] finished tweaking git repo https://github.com/idanmuze/threadrook
[INFO] tweaked toml for git repo https://github.com/idanmuze/threadrook written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/idanmuze/threadrook on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/idanmuze/threadrook 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "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 tokio-stream v0.1.12
[INFO] [stderr]   Downloaded futures-executor v0.3.27
[INFO] [stderr]   Downloaded shuttle-service v0.13.0
[INFO] [stderr]   Downloaded shuttle-common v0.13.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded poise_macros v0.5.2
[INFO] [stderr]   Downloaded shuttle-secrets v0.13.0
[INFO] [stderr]   Downloaded try_match v0.3.0
[INFO] [stderr]   Downloaded try_match_inner v0.4.0
[INFO] [stderr]   Downloaded prost v0.11.8
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded shuttle-proto v0.13.0
[INFO] [stderr]   Downloaded str_inflector v0.12.0
[INFO] [stderr]   Downloaded buildstructor v0.5.2
[INFO] [stderr]   Downloaded shuttle-runtime v0.13.0
[INFO] [stderr]   Downloaded pleco v0.5.0
[INFO] [stderr]   Downloaded poise v0.5.2
[INFO] [stderr]   Downloaded opentelemetry-proto v0.1.0
[INFO] [stderr]   Downloaded prost-build v0.11.8
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded axum-core v0.3.3
[INFO] [stderr]   Downloaded axum v0.6.12
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.11.0
[INFO] [stderr]   Downloaded prost-types v0.11.8
[INFO] [stderr]   Downloaded prost-derive v0.11.8
[INFO] [stderr]   Downloaded shuttle-codegen v0.13.0
[INFO] [stderr]   Downloaded opentelemetry-http v0.7.0
[INFO] [stderr]   Downloaded mucow v0.1.0
[INFO] [stderr]   Downloaded shuttle-poise v0.13.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.4
[INFO] [stderr]   Downloaded async-stream v0.3.4
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] [stderr]   Downloaded rustrict v0.7.4
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 866d712aac12af5ddbd62fb3121395cfd2e2da506d6a1380a6ec33a85c7ee7b2
[INFO] running `Command { std: "docker" "start" "-a" "866d712aac12af5ddbd62fb3121395cfd2e2da506d6a1380a6ec33a85c7ee7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "866d712aac12af5ddbd62fb3121395cfd2e2da506d6a1380a6ec33a85c7ee7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866d712aac12af5ddbd62fb3121395cfd2e2da506d6a1380a6ec33a85c7ee7b2", kill_on_drop: false }`
[INFO] [stdout] 866d712aac12af5ddbd62fb3121395cfd2e2da506d6a1380a6ec33a85c7ee7b2
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49413f19eda78a9fc9b843c76339b1dcd48178e0bdf7bc8140406f23d43145bf
[INFO] running `Command { std: "docker" "start" "-a" "49413f19eda78a9fc9b843c76339b1dcd48178e0bdf7bc8140406f23d43145bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking parking_lot v0.12.1
[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" "49413f19eda78a9fc9b843c76339b1dcd48178e0bdf7bc8140406f23d43145bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49413f19eda78a9fc9b843c76339b1dcd48178e0bdf7bc8140406f23d43145bf", kill_on_drop: false }`
[INFO] [stdout] 49413f19eda78a9fc9b843c76339b1dcd48178e0bdf7bc8140406f23d43145bf