[INFO] cloning repository https://github.com/chippsmith/learnrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chippsmith/learnrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchippsmith%2Flearnrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchippsmith%2Flearnrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 926f2060979c82d6db8e1e8467d0a9a45f08a48f
[INFO] testing chippsmith/learnrust/926f2060979c82d6db8e1e8467d0a9a45f08a48f against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchippsmith%2Flearnrust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chippsmith/learnrust
[INFO] finished tweaking git repo https://github.com/chippsmith/learnrust
[INFO] tweaked toml for git repo https://github.com/chippsmith/learnrust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chippsmith/learnrust 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 git repo https://github.com/chippsmith/learnrust 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 memoffset v0.8.0
[INFO] [stderr]   Downloaded socks v0.3.4
[INFO] [stderr]   Downloaded bdk-macros v0.6.0
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded bech32 v0.8.1
[INFO] [stderr]   Downloaded base64-compat v1.0.0
[INFO] [stderr]   Downloaded electrum-client v0.10.2
[INFO] [stderr]   Downloaded secp256k1 v0.22.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.57
[INFO] [stderr]   Downloaded bitcoin_hashes v0.10.0
[INFO] [stderr]   Downloaded bdk v0.20.0
[INFO] [stderr]   Downloaded miniscript v7.0.1
[INFO] [stderr]   Downloaded sled v0.34.7
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded bitcoin v0.28.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.5.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd467b6b02bb08d4d7c3564cde25ebc33150daba56b60994c01e190c583ec45
[INFO] running `Command { std: "docker" "start" "-a" "1bd467b6b02bb08d4d7c3564cde25ebc33150daba56b60994c01e190c583ec45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd467b6b02bb08d4d7c3564cde25ebc33150daba56b60994c01e190c583ec45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd467b6b02bb08d4d7c3564cde25ebc33150daba56b60994c01e190c583ec45", kill_on_drop: false }`
[INFO] [stdout] 1bd467b6b02bb08d4d7c3564cde25ebc33150daba56b60994c01e190c583ec45
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6085922de023644a46cc165174dd6cc59b124160b8513e6496097fccfeaeb342
[INFO] running `Command { std: "docker" "start" "-a" "6085922de023644a46cc165174dd6cc59b124160b8513e6496097fccfeaeb342", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.57
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling base64-compat v1.0.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.57/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 rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling socks v0.3.4
[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" "6085922de023644a46cc165174dd6cc59b124160b8513e6496097fccfeaeb342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6085922de023644a46cc165174dd6cc59b124160b8513e6496097fccfeaeb342", kill_on_drop: false }`
[INFO] [stdout] 6085922de023644a46cc165174dd6cc59b124160b8513e6496097fccfeaeb342