[INFO] fetching crate http-echo-server 0.1.1... [INFO] testing http-echo-server-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate http-echo-server 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate http-echo-server 0.1.1 [INFO] finished tweaking crates.io crate http-echo-server 0.1.1 [INFO] tweaked toml for crates.io crate http-echo-server 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate http-echo-server 0.1.1 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 http-echo-server 0.1.1 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 num_cpus v1.14.0 [INFO] [stderr] Downloaded serde_derive v1.0.148 [INFO] [stderr] Downloaded http-range-header v0.3.0 [INFO] [stderr] Downloaded signal-hook-registry v1.4.0 [INFO] [stderr] Downloaded lock_api v0.4.9 [INFO] [stderr] Downloaded smallvec v1.10.0 [INFO] [stderr] Downloaded is-terminal v0.4.1 [INFO] [stderr] Downloaded parking_lot_core v0.9.5 [INFO] [stderr] Downloaded sync_wrapper v0.1.1 [INFO] [stderr] Downloaded clap_lex v0.3.0 [INFO] [stderr] Downloaded axum-core v0.3.0 [INFO] [stderr] Downloaded async-trait v0.1.59 [INFO] [stderr] Downloaded clap_derive v4.0.21 [INFO] [stderr] Downloaded pin-project v1.0.12 [INFO] [stderr] Downloaded cc v1.0.77 [INFO] [stderr] Downloaded axum v0.6.1 [INFO] [stderr] Downloaded serde v1.0.148 [INFO] [stderr] Downloaded io-lifetimes v1.0.3 [INFO] [stderr] Downloaded bytes v1.3.0 [INFO] [stderr] Downloaded serde_json v1.0.89 [INFO] [stderr] Downloaded syn v1.0.105 [INFO] [stderr] Downloaded hyper v0.14.23 [INFO] [stderr] Downloaded matchit v0.7.0 [INFO] [stderr] Downloaded clap v4.0.29 [INFO] [stderr] Downloaded rustversion v1.0.9 [INFO] [stderr] Downloaded serde_path_to_error v0.1.8 [INFO] [stderr] Downloaded rustix v0.36.4 [INFO] [stderr] Downloaded pin-project-internal v1.0.12 [INFO] [stderr] Downloaded tokio v1.22.0 [INFO] [stderr] Downloaded linux-raw-sys v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9dbb3cb13f65b0a33ff054f8808e6767f9c00b68217280e21bc7ab54152ec6fd [INFO] running `Command { std: "docker" "start" "-a" "9dbb3cb13f65b0a33ff054f8808e6767f9c00b68217280e21bc7ab54152ec6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dbb3cb13f65b0a33ff054f8808e6767f9c00b68217280e21bc7ab54152ec6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dbb3cb13f65b0a33ff054f8808e6767f9c00b68217280e21bc7ab54152ec6fd", kill_on_drop: false }` [INFO] [stdout] 9dbb3cb13f65b0a33ff054f8808e6767f9c00b68217280e21bc7ab54152ec6fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8d756602b815b0c01343cdf16b78cc7425e0796c2b3656f267061ca234a40fb7 [INFO] running `Command { std: "docker" "start" "-a" "8d756602b815b0c01343cdf16b78cc7425e0796c2b3656f267061ca234a40fb7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [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 syn v1.0.105 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling itoa v1.0.4 [INFO] [stderr] Compiling bytes v1.3.0 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling tokio v1.22.0 [INFO] [stderr] Compiling serde v1.0.148 [INFO] [stderr] Compiling io-lifetimes v1.0.3 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling tracing-core v0.1.30 [INFO] [stderr] Compiling async-trait v0.1.59 [INFO] [stderr] Compiling tower-layer v0.3.2 [INFO] [stderr] Compiling rustix v0.36.4 [INFO] [stderr] Compiling http v0.2.8 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling linux-raw-sys v0.1.3 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling form_urlencoded v1.1.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling want v0.3.0 [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" "8d756602b815b0c01343cdf16b78cc7425e0796c2b3656f267061ca234a40fb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d756602b815b0c01343cdf16b78cc7425e0796c2b3656f267061ca234a40fb7", kill_on_drop: false }` [INFO] [stdout] 8d756602b815b0c01343cdf16b78cc7425e0796c2b3656f267061ca234a40fb7