[INFO] fetching crate topcron 0.1.6...
[INFO] testing topcron-0.1.6 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate topcron 0.1.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate topcron 0.1.6
[INFO] finished tweaking crates.io crate topcron 0.1.6
[INFO] tweaked toml for crates.io crate topcron 0.1.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate topcron 0.1.6 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate topcron 0.1.6 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded trycmd v0.13.7
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded grep-pcre2 v0.1.6
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[INFO] [stderr]   Downloaded redox_users v0.3.5
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[INFO] [stderr]   Downloaded grep-printer v0.1.7
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[INFO] [stderr]   Downloaded combine v4.6.6
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded syn v2.0.18
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[INFO] [stderr]   Downloaded clap_derive v4.3.2
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[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded grep-cli v0.1.7
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[INFO] [stderr]   Downloaded windows v0.48.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6be3adee725cc48c8f7b8e0025ebbd3c9da78715b3f2d3e1dd5a9460c7c81e9
[INFO] running `Command { std: "docker" "start" "-a" "b6be3adee725cc48c8f7b8e0025ebbd3c9da78715b3f2d3e1dd5a9460c7c81e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6be3adee725cc48c8f7b8e0025ebbd3c9da78715b3f2d3e1dd5a9460c7c81e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6be3adee725cc48c8f7b8e0025ebbd3c9da78715b3f2d3e1dd5a9460c7c81e9", kill_on_drop: false }`
[INFO] [stdout] b6be3adee725cc48c8f7b8e0025ebbd3c9da78715b3f2d3e1dd5a9460c7c81e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2bf5a18b0b465d4ce0e46d53835526a4522b86728cedbacefef81d914aa217
[INFO] running `Command { std: "docker" "start" "-a" "5d2bf5a18b0b465d4ce0e46d53835526a4522b86728cedbacefef81d914aa217", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 clap_lex v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling bstr v1.5.0
[INFO] [stderr]    Compiling grep-matcher v0.1.6
[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" "5d2bf5a18b0b465d4ce0e46d53835526a4522b86728cedbacefef81d914aa217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2bf5a18b0b465d4ce0e46d53835526a4522b86728cedbacefef81d914aa217", kill_on_drop: false }`
[INFO] [stdout] 5d2bf5a18b0b465d4ce0e46d53835526a4522b86728cedbacefef81d914aa217
