[INFO] cloning repository https://github.com/niklasbuesing/mc_proxifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niklasbuesing/mc_proxifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasbuesing%2Fmc_proxifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasbuesing%2Fmc_proxifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64083373ef73143037090b4a718bdb186c393932
[INFO] checking niklasbuesing/mc_proxifier against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasbuesing%2Fmc_proxifier" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklasbuesing/mc_proxifier on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niklasbuesing/mc_proxifier
[INFO] finished tweaking git repo https://github.com/niklasbuesing/mc_proxifier
[INFO] tweaked toml for git repo https://github.com/niklasbuesing/mc_proxifier written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/niklasbuesing/mc_proxifier 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24cdf795a728ade2aaa5adec9c4b76867efa7378fc0a9da96de3cf14011bbb61
[INFO] running `Command { std: "docker" "start" "-a" "24cdf795a728ade2aaa5adec9c4b76867efa7378fc0a9da96de3cf14011bbb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24cdf795a728ade2aaa5adec9c4b76867efa7378fc0a9da96de3cf14011bbb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cdf795a728ade2aaa5adec9c4b76867efa7378fc0a9da96de3cf14011bbb61", kill_on_drop: false }`
[INFO] [stdout] 24cdf795a728ade2aaa5adec9c4b76867efa7378fc0a9da96de3cf14011bbb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fef4ca39859c45099d4ea6c55407edafd052f9cd499990cc65f686d14dae4b3
[INFO] running `Command { std: "docker" "start" "-a" "1fef4ca39859c45099d4ea6c55407edafd052f9cd499990cc65f686d14dae4b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.61
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 tracing-core v0.1.30
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking rand v0.8.5
[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" "1fef4ca39859c45099d4ea6c55407edafd052f9cd499990cc65f686d14dae4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fef4ca39859c45099d4ea6c55407edafd052f9cd499990cc65f686d14dae4b3", kill_on_drop: false }`
[INFO] [stdout] 1fef4ca39859c45099d4ea6c55407edafd052f9cd499990cc65f686d14dae4b3