[INFO] fetching crate rain-ob 0.2.0...
[INFO] checking rain-ob-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rain-ob 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rain-ob 0.2.0
[INFO] finished tweaking crates.io crate rain-ob 0.2.0
[INFO] tweaked toml for crates.io crate rain-ob 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rain-ob 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rain-ob 0.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-bigint v1.2.0
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded graphql_query_derive v0.12.0
[INFO] [stderr]   Downloaded graphql_client v0.12.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.12.0
[INFO] [stderr]   Downloaded rustix v0.37.17
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df02ecc67b7a4aecc28f5e45b78bf7c5e59d29b54ee9aa92ac987ce9f1098408
[INFO] running `Command { std: "docker" "start" "-a" "df02ecc67b7a4aecc28f5e45b78bf7c5e59d29b54ee9aa92ac987ce9f1098408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df02ecc67b7a4aecc28f5e45b78bf7c5e59d29b54ee9aa92ac987ce9f1098408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df02ecc67b7a4aecc28f5e45b78bf7c5e59d29b54ee9aa92ac987ce9f1098408", kill_on_drop: false }`
[INFO] [stdout] df02ecc67b7a4aecc28f5e45b78bf7c5e59d29b54ee9aa92ac987ce9f1098408
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629c1bea46a3627a75417d73b3d4f6e049ab64dfbd083c4dfdc7c6db6a74b350
[INFO] running `Command { std: "docker" "start" "-a" "629c1bea46a3627a75417d73b3d4f6e049ab64dfbd083c4dfdc7c6db6a74b350", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustix v0.37.17
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]     Checking slab v0.4.8
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 unicode-bidi v0.3.13
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking ipnet v2.7.2
[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" "629c1bea46a3627a75417d73b3d4f6e049ab64dfbd083c4dfdc7c6db6a74b350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629c1bea46a3627a75417d73b3d4f6e049ab64dfbd083c4dfdc7c6db6a74b350", kill_on_drop: false }`
[INFO] [stdout] 629c1bea46a3627a75417d73b3d4f6e049ab64dfbd083c4dfdc7c6db6a74b350