[INFO] fetching crate rustwrap 1.0.5...
[INFO] testing rustwrap-1.0.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rustwrap 1.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rustwrap 1.0.5
[INFO] finished tweaking crates.io crate rustwrap 1.0.5
[INFO] tweaked toml for crates.io crate rustwrap 1.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustwrap 1.0.5 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 rustwrap 1.0.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.7
[INFO] [stderr]   Downloaded serde_variant v0.1.2
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded xz v0.1.0
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded indicatif v0.17.3
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
[INFO] [stderr]   Downloaded reqwest v0.11.14
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded tracing-tree v0.2.2
[INFO] [stderr]   Downloaded decompress v0.1.0
[INFO] [stderr]   Downloaded os_pipe v1.1.3
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded insta v1.18.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7230cc88e08ec69488a1d6577d9d09a9c2213edafa48eb64424987eef0fbda24
[INFO] running `Command { std: "docker" "start" "-a" "7230cc88e08ec69488a1d6577d9d09a9c2213edafa48eb64424987eef0fbda24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7230cc88e08ec69488a1d6577d9d09a9c2213edafa48eb64424987eef0fbda24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7230cc88e08ec69488a1d6577d9d09a9c2213edafa48eb64424987eef0fbda24", kill_on_drop: false }`
[INFO] [stdout] 7230cc88e08ec69488a1d6577d9d09a9c2213edafa48eb64424987eef0fbda24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eed0b29d5fe49ff95613d3ae892bcde8fb4b4b2d82a1b8470368004b05047deb
[INFO] running `Command { std: "docker" "start" "-a" "eed0b29d5fe49ff95613d3ae892bcde8fb4b4b2d82a1b8470368004b05047deb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[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 slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling hashbrown v0.12.3
[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" "eed0b29d5fe49ff95613d3ae892bcde8fb4b4b2d82a1b8470368004b05047deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed0b29d5fe49ff95613d3ae892bcde8fb4b4b2d82a1b8470368004b05047deb", kill_on_drop: false }`
[INFO] [stdout] eed0b29d5fe49ff95613d3ae892bcde8fb4b4b2d82a1b8470368004b05047deb