[INFO] fetching crate suiron-rust 0.1.0...
[INFO] testing suiron-rust-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate suiron-rust 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate suiron-rust 0.1.0
[INFO] finished tweaking crates.io crate suiron-rust 0.1.0
[INFO] tweaked toml for crates.io crate suiron-rust 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate suiron-rust 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 suiron-rust 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 serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded thread_timer v0.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[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] 1fad5f7f12fbba3710de7629c4ba0868e3c0d804533efdbd17aa8f7ea73b24a0
[INFO] running `Command { std: "docker" "start" "-a" "1fad5f7f12fbba3710de7629c4ba0868e3c0d804533efdbd17aa8f7ea73b24a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fad5f7f12fbba3710de7629c4ba0868e3c0d804533efdbd17aa8f7ea73b24a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fad5f7f12fbba3710de7629c4ba0868e3c0d804533efdbd17aa8f7ea73b24a0", kill_on_drop: false }`
[INFO] [stdout] 1fad5f7f12fbba3710de7629c4ba0868e3c0d804533efdbd17aa8f7ea73b24a0
[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] 21076445a38300c53f154466ec29d666476925bef13b045fbe9d5d2d713578e5
[INFO] running `Command { std: "docker" "start" "-a" "21076445a38300c53f154466ec29d666476925bef13b045fbe9d5d2d713578e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling suiron-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread_timer v0.3.0
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "21076445a38300c53f154466ec29d666476925bef13b045fbe9d5d2d713578e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21076445a38300c53f154466ec29d666476925bef13b045fbe9d5d2d713578e5", kill_on_drop: false }`
[INFO] [stdout] 21076445a38300c53f154466ec29d666476925bef13b045fbe9d5d2d713578e5
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e139fb9eecf2ec3ac7f9ab2bca4f287c7dd01d2288b2507ac203cb9663408d2
[INFO] running `Command { std: "docker" "start" "-a" "6e139fb9eecf2ec3ac7f9ab2bca4f287c7dd01d2288b2507ac203cb9663408d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 ryu v1.0.13
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[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" "6e139fb9eecf2ec3ac7f9ab2bca4f287c7dd01d2288b2507ac203cb9663408d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e139fb9eecf2ec3ac7f9ab2bca4f287c7dd01d2288b2507ac203cb9663408d2", kill_on_drop: false }`
[INFO] [stdout] 6e139fb9eecf2ec3ac7f9ab2bca4f287c7dd01d2288b2507ac203cb9663408d2