[INFO] fetching crate electrs-request 0.1.3...
[INFO] testing electrs-request-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate electrs-request 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate electrs-request 0.1.3
[INFO] finished tweaking crates.io crate electrs-request 0.1.3
[INFO] tweaked toml for crates.io crate electrs-request 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate electrs-request 0.1.3 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 electrs-request 0.1.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-utilities v0.1.5
[INFO] [stderr]   Downloaded binary-utils v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.12.1
[INFO] [stderr]   Downloaded sha256 v1.0.3
[INFO] [stderr]   Downloaded bitcoin-utils v0.1.1
[INFO] [stderr]   Downloaded bitcoin-address v0.1.4
[INFO] [stderr]   Downloaded sha2 v0.10.5
[INFO] [stderr]   Downloaded electrum-client v0.12.0
[INFO] [stderr]   Downloaded secp256k1 v0.24.0
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded bitcoin v0.29.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 07182cbd4595c6928ee776b91cfda0ce8f617b5f8fae9018dfcaaf608a4ac633
[INFO] running `Command { std: "docker" "start" "-a" "07182cbd4595c6928ee776b91cfda0ce8f617b5f8fae9018dfcaaf608a4ac633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07182cbd4595c6928ee776b91cfda0ce8f617b5f8fae9018dfcaaf608a4ac633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07182cbd4595c6928ee776b91cfda0ce8f617b5f8fae9018dfcaaf608a4ac633", kill_on_drop: false }`
[INFO] [stdout] 07182cbd4595c6928ee776b91cfda0ce8f617b5f8fae9018dfcaaf608a4ac633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f14e0cfc81c704b5528e7fceebd051f0ed6fa61da9eb951c7b748f72ff3f5242
[INFO] running `Command { std: "docker" "start" "-a" "f14e0cfc81c704b5528e7fceebd051f0ed6fa61da9eb951c7b748f72ff3f5242", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling binary-utils v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bitcoin-bech32 v0.12.1
[INFO] [stderr]    Compiling bitcoin-address v0.1.4
[INFO] [stderr]    Compiling hex-utilities v0.1.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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" "f14e0cfc81c704b5528e7fceebd051f0ed6fa61da9eb951c7b748f72ff3f5242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14e0cfc81c704b5528e7fceebd051f0ed6fa61da9eb951c7b748f72ff3f5242", kill_on_drop: false }`
[INFO] [stdout] f14e0cfc81c704b5528e7fceebd051f0ed6fa61da9eb951c7b748f72ff3f5242