[INFO] fetching crate gr-bin 0.2.1...
[INFO] checking gr-bin-0.2.1 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate gr-bin 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate gr-bin 0.2.1 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gr-bin 0.2.1
[INFO] finished tweaking crates.io crate gr-bin 0.2.1
[INFO] tweaked toml for crates.io crate gr-bin 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate gr-bin 0.2.1 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ceef67f76cec1b783890d7fab9a580d14b68ea3ad8dc19a072d0b39a6071ae4
[INFO] running `Command { std: "docker" "start" "-a" "7ceef67f76cec1b783890d7fab9a580d14b68ea3ad8dc19a072d0b39a6071ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ceef67f76cec1b783890d7fab9a580d14b68ea3ad8dc19a072d0b39a6071ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ceef67f76cec1b783890d7fab9a580d14b68ea3ad8dc19a072d0b39a6071ae4", kill_on_drop: false }`
[INFO] [stdout] 7ceef67f76cec1b783890d7fab9a580d14b68ea3ad8dc19a072d0b39a6071ae4
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ceeabf70ba9a762de9e2da00592f3ba5fc8604197d65c3b5aac8cd700ec94ce
[INFO] running `Command { std: "docker" "start" "-a" "2ceeabf70ba9a762de9e2da00592f3ba5fc8604197d65c3b5aac8cd700ec94ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.46
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 adler v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking open v3.4.0
[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] 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" "2ceeabf70ba9a762de9e2da00592f3ba5fc8604197d65c3b5aac8cd700ec94ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ceeabf70ba9a762de9e2da00592f3ba5fc8604197d65c3b5aac8cd700ec94ce", kill_on_drop: false }`
[INFO] [stdout] 2ceeabf70ba9a762de9e2da00592f3ba5fc8604197d65c3b5aac8cd700ec94ce
