[INFO] fetching crate hacker-newsfeed 1.0.0...
[INFO] testing hacker-newsfeed-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate hacker-newsfeed 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate hacker-newsfeed 1.0.0
[INFO] finished tweaking crates.io crate hacker-newsfeed 1.0.0
[INFO] tweaked toml for crates.io crate hacker-newsfeed 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hacker-newsfeed 1.0.0 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 hacker-newsfeed 1.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ehttp v0.2.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.4.0
[INFO] [stderr]   Downloaded egui_extras v0.21.0
[INFO] [stderr]   Downloaded svgtypes v0.8.2
[INFO] [stderr]   Downloaded poll-promise v0.2.0
[INFO] [stderr]   Downloaded bytemuck v1.13.0
[INFO] [stderr]   Downloaded windows-implement v0.42.0
[INFO] [stderr]   Downloaded zvariant_derive v3.11.0
[INFO] [stderr]   Downloaded ecolor v0.21.0
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded atspi-macros v0.1.4
[INFO] [stderr]   Downloaded usvg v0.28.0
[INFO] [stderr]   Downloaded async-recursion v1.0.2
[INFO] [stderr]   Downloaded accesskit_winit v0.10.0
[INFO] [stderr]   Downloaded async-broadcast v0.5.0
[INFO] [stderr]   Downloaded accesskit_unix v0.2.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.20
[INFO] [stderr]   Downloaded rgb v0.8.35
[INFO] [stderr]   Downloaded accesskit_macos v0.5.0
[INFO] [stderr]   Downloaded imagesize v0.10.1
[INFO] [stderr]   Downloaded zbus_macros v3.10.0
[INFO] [stderr]   Downloaded accesskit_windows v0.12.0
[INFO] [stderr]   Downloaded atspi v0.8.7
[INFO] [stderr]   Downloaded memmap2 v0.5.8
[INFO] [stderr]   Downloaded roxmltree v0.15.1
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded eframe v0.21.3
[INFO] [stderr]   Downloaded glutin v0.30.6
[INFO] [stderr]   Downloaded zvariant v3.11.0
[INFO] [stderr]   Downloaded sctk-adwaita v0.5.3
[INFO] [stderr]   Downloaded toml_edit v0.18.1
[INFO] [stderr]   Downloaded zbus v3.10.0
[INFO] [stderr]   Downloaded glow v0.12.0
[INFO] [stderr]   Downloaded accesskit v0.9.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded owned_ttf_parser v0.18.1
[INFO] [stderr]   Downloaded accesskit_consumer v0.13.0
[INFO] [stderr]   Downloaded webbrowser v0.8.7
[INFO] [stderr]   Downloaded num_enum_derive v0.5.9
[INFO] [stderr]   Downloaded redox_syscall v0.3.4
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded num_enum v0.5.9
[INFO] [stderr]   Downloaded resvg v0.28.0
[INFO] [stderr]   Downloaded serde_repr v0.1.10
[INFO] [stderr]   Downloaded egui v0.21.0
[INFO] [stderr]   Downloaded egui-winit v0.21.1
[INFO] [stderr]   Downloaded egui_glow v0.21.0
[INFO] [stderr]   Downloaded toml_datetime v0.5.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.3.0
[INFO] [stderr]   Downloaded atomic_refcell v0.1.9
[INFO] [stderr]   Downloaded emath v0.21.0
[INFO] [stderr]   Downloaded time v0.3.18
[INFO] [stderr]   Downloaded winit v0.28.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.4.0
[INFO] [stderr]   Downloaded scraper v0.14.0
[INFO] [stderr]   Downloaded epaint v0.21.0
[INFO] [stderr]   Downloaded orbclient v0.3.42
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] af07994a6a63c6ae59dbc1ffd2af818a4d9f8e067b88379d689a8b5feb32939e
[INFO] running `Command { std: "docker" "start" "-a" "af07994a6a63c6ae59dbc1ffd2af818a4d9f8e067b88379d689a8b5feb32939e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af07994a6a63c6ae59dbc1ffd2af818a4d9f8e067b88379d689a8b5feb32939e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af07994a6a63c6ae59dbc1ffd2af818a4d9f8e067b88379d689a8b5feb32939e", kill_on_drop: false }`
[INFO] [stdout] af07994a6a63c6ae59dbc1ffd2af818a4d9f8e067b88379d689a8b5feb32939e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2d9a82ba84d925aaeeba0e3871ab1840d5a7b5773a91535b300b22f6082acf7c
[INFO] running `Command { std: "docker" "start" "-a" "2d9a82ba84d925aaeeba0e3871ab1840d5a7b5773a91535b300b22f6082acf7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[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] 
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling memchr v2.5.0
[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" "2d9a82ba84d925aaeeba0e3871ab1840d5a7b5773a91535b300b22f6082acf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9a82ba84d925aaeeba0e3871ab1840d5a7b5773a91535b300b22f6082acf7c", kill_on_drop: false }`
[INFO] [stdout] 2d9a82ba84d925aaeeba0e3871ab1840d5a7b5773a91535b300b22f6082acf7c