[INFO] fetching crate highnoon 0.0.9...
[INFO] testing highnoon-0.0.9 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate highnoon 0.0.9 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate highnoon 0.0.9
[INFO] finished tweaking crates.io crate highnoon 0.0.9
[INFO] tweaked toml for crates.io crate highnoon 0.0.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate highnoon 0.0.9 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate highnoon 0.0.9 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha-1 v0.10.0
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded num_threads v0.1.3
[INFO] [stderr]   Downloaded sha2 v0.10.1
[INFO] [stderr]   Downloaded hmac v0.12.0
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded headers v0.3.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded h2 v0.3.11
[INFO] [stderr]   Downloaded serde_json v1.0.87
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded typenum v1.15.0
[INFO] [stderr]   Downloaded digest v0.10.2
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded sha1 v0.10.0
[INFO] [stderr]   Downloaded route-recognizer v0.3.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded crypto-common v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecb7f2f33a07e0c4768600b283d446ca6d030431c0fac8d56ed15e1128c625e6
[INFO] running `Command { std: "docker" "start" "-a" "ecb7f2f33a07e0c4768600b283d446ca6d030431c0fac8d56ed15e1128c625e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecb7f2f33a07e0c4768600b283d446ca6d030431c0fac8d56ed15e1128c625e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb7f2f33a07e0c4768600b283d446ca6d030431c0fac8d56ed15e1128c625e6", kill_on_drop: false }`
[INFO] [stdout] ecb7f2f33a07e0c4768600b283d446ca6d030431c0fac8d56ed15e1128c625e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7ee3d461f2e791ca192aa1642b4a60138ba08787cb0d08a75f8d775f06af1c
[INFO] running `Command { std: "docker" "start" "-a" "eb7ee3d461f2e791ca192aa1642b4a60138ba08787cb0d08a75f8d775f06af1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[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" "eb7ee3d461f2e791ca192aa1642b4a60138ba08787cb0d08a75f8d775f06af1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7ee3d461f2e791ca192aa1642b4a60138ba08787cb0d08a75f8d775f06af1c", kill_on_drop: false }`
[INFO] [stdout] eb7ee3d461f2e791ca192aa1642b4a60138ba08787cb0d08a75f8d775f06af1c