[INFO] fetching crate rmall 0.1.0...
[INFO] testing rmall-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rmall 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rmall 0.1.0
[INFO] finished tweaking crates.io crate rmall 0.1.0
[INFO] tweaked toml for crates.io crate rmall 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmall 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmall 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded tokio-macros v2.1.0
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded clap_derive v4.2.0
[INFO] [stderr]   Downloaded clap v4.2.5
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded colorchoice v1.0.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded utf8parse v0.2.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded anstream v0.3.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.0
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.0
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.0
[INFO] [stderr]   Downloaded clap_builder v4.2.5
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae6c5051f2dc37569b56ddd3400ac8f99cf6ead72ea46cec0879cffac6e002f
[INFO] running `Command { std: "docker" "start" "-a" "8ae6c5051f2dc37569b56ddd3400ac8f99cf6ead72ea46cec0879cffac6e002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae6c5051f2dc37569b56ddd3400ac8f99cf6ead72ea46cec0879cffac6e002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae6c5051f2dc37569b56ddd3400ac8f99cf6ead72ea46cec0879cffac6e002f", kill_on_drop: false }`
[INFO] [stdout] 8ae6c5051f2dc37569b56ddd3400ac8f99cf6ead72ea46cec0879cffac6e002f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bcd404eb7f6867ae95c9d5a766b9eaef87e83e1cc9d8e15f621df2e4aee21ff1
[INFO] running `Command { std: "docker" "start" "-a" "bcd404eb7f6867ae95c9d5a766b9eaef87e83e1cc9d8e15f621df2e4aee21ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[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" "bcd404eb7f6867ae95c9d5a766b9eaef87e83e1cc9d8e15f621df2e4aee21ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd404eb7f6867ae95c9d5a766b9eaef87e83e1cc9d8e15f621df2e4aee21ff1", kill_on_drop: false }`
[INFO] [stdout] bcd404eb7f6867ae95c9d5a766b9eaef87e83e1cc9d8e15f621df2e4aee21ff1