[INFO] fetching crate usenetnews-dynexp2 0.1.2...
[INFO] testing usenetnews-dynexp2-0.1.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate usenetnews-dynexp2 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate usenetnews-dynexp2 0.1.2
[INFO] finished tweaking crates.io crate usenetnews-dynexp2 0.1.2
[INFO] tweaked toml for crates.io crate usenetnews-dynexp2 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate usenetnews-dynexp2 0.1.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usenetnews-dynexp2 0.1.2 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded terminal_size v0.2.3
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded rustix v0.36.5
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8401c0286cc5ea61f22bd3389e6da20a3b8423d153a68921f2467efb5ca023e
[INFO] running `Command { std: "docker" "start" "-a" "d8401c0286cc5ea61f22bd3389e6da20a3b8423d153a68921f2467efb5ca023e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8401c0286cc5ea61f22bd3389e6da20a3b8423d153a68921f2467efb5ca023e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8401c0286cc5ea61f22bd3389e6da20a3b8423d153a68921f2467efb5ca023e", kill_on_drop: false }`
[INFO] [stdout] d8401c0286cc5ea61f22bd3389e6da20a3b8423d153a68921f2467efb5ca023e
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e09401d8976c6e330327cf76afb215ab9d63cba7ebcda3821894a54dd041c58
[INFO] running `Command { std: "docker" "start" "-a" "5e09401d8976c6e330327cf76afb215ab9d63cba7ebcda3821894a54dd041c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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] [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" "5e09401d8976c6e330327cf76afb215ab9d63cba7ebcda3821894a54dd041c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e09401d8976c6e330327cf76afb215ab9d63cba7ebcda3821894a54dd041c58", kill_on_drop: false }`
[INFO] [stdout] 5e09401d8976c6e330327cf76afb215ab9d63cba7ebcda3821894a54dd041c58
