[INFO] fetching crate qrus 0.1.0...
[INFO] testing qrus-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate qrus 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate qrus 0.1.0
[INFO] finished tweaking crates.io crate qrus 0.1.0
[INFO] tweaked toml for crates.io crate qrus 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qrus 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 qrus 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded qrcode-png v0.4.1
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded zune-inflate v0.2.52
[INFO] [stderr]   Downloaded lru v0.9.0
[INFO] [stderr]   Downloaded g2gen v1.0.1
[INFO] [stderr]   Downloaded g2poly v1.0.1
[INFO] [stderr]   Downloaded g2p v1.0.1
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded rqrr v0.6.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5fdd83d6064fab09c5fb98e96738f5e3f54564f3e81d31b6938975c77db5b72
[INFO] running `Command { std: "docker" "start" "-a" "e5fdd83d6064fab09c5fb98e96738f5e3f54564f3e81d31b6938975c77db5b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5fdd83d6064fab09c5fb98e96738f5e3f54564f3e81d31b6938975c77db5b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fdd83d6064fab09c5fb98e96738f5e3f54564f3e81d31b6938975c77db5b72", kill_on_drop: false }`
[INFO] [stdout] e5fdd83d6064fab09c5fb98e96738f5e3f54564f3e81d31b6938975c77db5b72
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 15afdfb929e84fed0296bb88c53cf9941098a7a33119eb6e94c871f2f2e54db5
[INFO] running `Command { std: "docker" "start" "-a" "15afdfb929e84fed0296bb88c53cf9941098a7a33119eb6e94c871f2f2e54db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 once_cell v1.17.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling color_quant v1.1.0
[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" "15afdfb929e84fed0296bb88c53cf9941098a7a33119eb6e94c871f2f2e54db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15afdfb929e84fed0296bb88c53cf9941098a7a33119eb6e94c871f2f2e54db5", kill_on_drop: false }`
[INFO] [stdout] 15afdfb929e84fed0296bb88c53cf9941098a7a33119eb6e94c871f2f2e54db5