[INFO] fetching crate marigold 0.1.16...
[INFO] checking marigold-0.1.16 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate marigold 0.1.16 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate marigold 0.1.16 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marigold 0.1.16
[INFO] finished tweaking crates.io crate marigold 0.1.16
[INFO] tweaked toml for crates.io crate marigold 0.1.16 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate marigold 0.1.16 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded marigold-impl v0.1.16
[INFO] [stderr]   Downloaded marigold-macros v0.1.16
[INFO] [stderr]   Downloaded serde_derive v1.0.148
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded rusymbols v0.1.2
[INFO] [stderr]   Downloaded marigold-grammar v0.1.16
[INFO] [stderr]   Downloaded gen-nested-iter-yield v0.1.3
[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded binary-heap-plus v0.4.1
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded csv-async v1.2.4
[INFO] [stderr]   Downloaded tokio v1.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf731f19729ab551460743a8dc112c8ece56d3cc207d97aab5e3e311eb8871d
[INFO] running `Command { std: "docker" "start" "-a" "abf731f19729ab551460743a8dc112c8ece56d3cc207d97aab5e3e311eb8871d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf731f19729ab551460743a8dc112c8ece56d3cc207d97aab5e3e311eb8871d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf731f19729ab551460743a8dc112c8ece56d3cc207d97aab5e3e311eb8871d", kill_on_drop: false }`
[INFO] [stdout] abf731f19729ab551460743a8dc112c8ece56d3cc207d97aab5e3e311eb8871d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a531ce0dd39e82395b38b84486b9b648a6d4fcc705b53f872894f1fdce6349d5
[INFO] running `Command { std: "docker" "start" "-a" "a531ce0dd39e82395b38b84486b9b648a6d4fcc705b53f872894f1fdce6349d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[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 proc-macro-error v0.4.12
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking futures-io v0.3.25
[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" "a531ce0dd39e82395b38b84486b9b648a6d4fcc705b53f872894f1fdce6349d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a531ce0dd39e82395b38b84486b9b648a6d4fcc705b53f872894f1fdce6349d5", kill_on_drop: false }`
[INFO] [stdout] a531ce0dd39e82395b38b84486b9b648a6d4fcc705b53f872894f1fdce6349d5
