[INFO] fetching crate aicommits-rs 0.3.0...
[INFO] checking aicommits-rs-0.3.0 against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] extracting crate aicommits-rs 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate aicommits-rs 0.3.0
[INFO] finished tweaking crates.io crate aicommits-rs 0.3.0
[INFO] tweaked toml for crates.io crate aicommits-rs 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aicommits-rs 0.3.0 on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aicommits-rs 0.3.0 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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 thiserror v1.0.39
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded quote v1.0.25
[INFO] [stderr]   Downloaded spinners-rs v2.3.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded dialoguer v0.10.3
[INFO] [stderr]   Downloaded async-trait v0.1.66
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded curl-sys v0.4.60+curl-7.88.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]   Downloaded openssl-src v111.25.1+1.1.1t
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25ec0335b140dc8319cc173f6502d26a15c2b3f82847d00fa91b6b0aaca1bf67
[INFO] running `Command { std: "docker" "start" "-a" "25ec0335b140dc8319cc173f6502d26a15c2b3f82847d00fa91b6b0aaca1bf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ec0335b140dc8319cc173f6502d26a15c2b3f82847d00fa91b6b0aaca1bf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ec0335b140dc8319cc173f6502d26a15c2b3f82847d00fa91b6b0aaca1bf67", kill_on_drop: false }`
[INFO] [stdout] 25ec0335b140dc8319cc173f6502d26a15c2b3f82847d00fa91b6b0aaca1bf67
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc24030be58d999e12b97473b188fbf68af6a6a7e53b7762e3149c978ef0ab26
[INFO] running `Command { std: "docker" "start" "-a" "cc24030be58d999e12b97473b188fbf68af6a6a7e53b7762e3149c978ef0ab26", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling openssl-src v111.25.1+1.1.1t
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling curl-sys v0.4.60+curl-7.88.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 async-channel v1.8.0
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling bumpalo v3.12.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking getrandom v0.1.16
[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" "cc24030be58d999e12b97473b188fbf68af6a6a7e53b7762e3149c978ef0ab26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc24030be58d999e12b97473b188fbf68af6a6a7e53b7762e3149c978ef0ab26", kill_on_drop: false }`
[INFO] [stdout] cc24030be58d999e12b97473b188fbf68af6a6a7e53b7762e3149c978ef0ab26