[INFO] fetching crate nanorpc 0.1.12...
[INFO] checking nanorpc-0.1.12 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nanorpc 0.1.12 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nanorpc 0.1.12 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanorpc 0.1.12
[INFO] finished tweaking crates.io crate nanorpc 0.1.12
[INFO] tweaked toml for crates.io crate nanorpc 0.1.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nanorpc 0.1.12 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded nanorpc-derive v0.1.3
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded async-net v1.7.0
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded async-process v1.5.0
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dad082612f9c50bf6fb1a101121cb95b1c0bc430e450e9c8dd381a56b7e80ee
[INFO] running `Command { std: "docker" "start" "-a" "4dad082612f9c50bf6fb1a101121cb95b1c0bc430e450e9c8dd381a56b7e80ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dad082612f9c50bf6fb1a101121cb95b1c0bc430e450e9c8dd381a56b7e80ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dad082612f9c50bf6fb1a101121cb95b1c0bc430e450e9c8dd381a56b7e80ee", kill_on_drop: false }`
[INFO] [stdout] 4dad082612f9c50bf6fb1a101121cb95b1c0bc430e450e9c8dd381a56b7e80ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 182a487347178246e5f27a6190691e59ec76312f12f0a320d6f10883a61c7d05
[INFO] running `Command { std: "docker" "start" "-a" "182a487347178246e5f27a6190691e59ec76312f12f0a320d6f10883a61c7d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 tokio v1.21.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking generic-array v0.14.6
[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]     Checking futures-lite v1.12.0
[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" "182a487347178246e5f27a6190691e59ec76312f12f0a320d6f10883a61c7d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182a487347178246e5f27a6190691e59ec76312f12f0a320d6f10883a61c7d05", kill_on_drop: false }`
[INFO] [stdout] 182a487347178246e5f27a6190691e59ec76312f12f0a320d6f10883a61c7d05
[INFO] checking nanorpc-0.1.12 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate nanorpc 0.1.12 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate nanorpc 0.1.12 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanorpc 0.1.12
[INFO] finished tweaking crates.io crate nanorpc 0.1.12
[INFO] tweaked toml for crates.io crate nanorpc 0.1.12 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate nanorpc 0.1.12 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97b9c5391d8b751bc27cd602d7905b14b26e800392f354e981949738f47c2c73
[INFO] running `Command { std: "docker" "start" "-a" "97b9c5391d8b751bc27cd602d7905b14b26e800392f354e981949738f47c2c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b9c5391d8b751bc27cd602d7905b14b26e800392f354e981949738f47c2c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b9c5391d8b751bc27cd602d7905b14b26e800392f354e981949738f47c2c73", kill_on_drop: false }`
[INFO] [stdout] 97b9c5391d8b751bc27cd602d7905b14b26e800392f354e981949738f47c2c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3183c96c9fac21c292753e0e62ce6f398c989355fb6f34396c076eb24e6513ac
[INFO] running `Command { std: "docker" "start" "-a" "3183c96c9fac21c292753e0e62ce6f398c989355fb6f34396c076eb24e6513ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 tokio v1.21.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking parking v2.0.0
[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]     Checking generic-array v0.14.6
[INFO] [stderr]    Compiling futures-task v0.3.25
[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" "3183c96c9fac21c292753e0e62ce6f398c989355fb6f34396c076eb24e6513ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3183c96c9fac21c292753e0e62ce6f398c989355fb6f34396c076eb24e6513ac", kill_on_drop: false }`
[INFO] [stdout] 3183c96c9fac21c292753e0e62ce6f398c989355fb6f34396c076eb24e6513ac
