[INFO] fetching crate mekena 0.1.0...
[INFO] testing mekena-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mekena 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mekena 0.1.0
[INFO] finished tweaking crates.io crate mekena 0.1.0
[INFO] tweaked toml for crates.io crate mekena 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mekena 0.1.0 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 mekena 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded mekena-macros v0.1.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded async-trait v0.1.58
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded miette v5.4.1
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded pin-project v1.0.12
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded mekena-messaging v0.1.0
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.12
[INFO] [stderr]   Downloaded mekena-util v0.1.0
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded mekena-state v0.1.0
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded miette-derive v5.4.1
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8859732cca54d204579462b4f432490d6cd00417f45f8bf721ad9231bcf137ed
[INFO] running `Command { std: "docker" "start" "-a" "8859732cca54d204579462b4f432490d6cd00417f45f8bf721ad9231bcf137ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8859732cca54d204579462b4f432490d6cd00417f45f8bf721ad9231bcf137ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8859732cca54d204579462b4f432490d6cd00417f45f8bf721ad9231bcf137ed", kill_on_drop: false }`
[INFO] [stdout] 8859732cca54d204579462b4f432490d6cd00417f45f8bf721ad9231bcf137ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7be1ae4a8d2fdbcdf4ef2c872be520bf4553d8c617e6d9ed11ba27ed06f8beab
[INFO] running `Command { std: "docker" "start" "-a" "7be1ae4a8d2fdbcdf4ef2c872be520bf4553d8c617e6d9ed11ba27ed06f8beab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 nanorand v0.7.0
[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" "7be1ae4a8d2fdbcdf4ef2c872be520bf4553d8c617e6d9ed11ba27ed06f8beab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be1ae4a8d2fdbcdf4ef2c872be520bf4553d8c617e6d9ed11ba27ed06f8beab", kill_on_drop: false }`
[INFO] [stdout] 7be1ae4a8d2fdbcdf4ef2c872be520bf4553d8c617e6d9ed11ba27ed06f8beab