[INFO] fetching crate iref-macros 3.2.2...
[INFO] testing iref-macros-3.2.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_1
[INFO] extracting crate iref-macros 3.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate iref-macros 3.2.2
[INFO] finished tweaking crates.io crate iref-macros 3.2.2
[INFO] tweaked toml for crates.io crate iref-macros 3.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iref-macros 3.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--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]      Locking 43 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d678936201a652e2d948227b72a39e75c858632fc58c294807e764f0be0e16c9
[INFO] running `Command { std: "docker" "start" "-a" "d678936201a652e2d948227b72a39e75c858632fc58c294807e764f0be0e16c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d678936201a652e2d948227b72a39e75c858632fc58c294807e764f0be0e16c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d678936201a652e2d948227b72a39e75c858632fc58c294807e764f0be0e16c9", kill_on_drop: false }`
[INFO] [stdout] d678936201a652e2d948227b72a39e75c858632fc58c294807e764f0be0e16c9
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f16ef23ab852dd295dbc66fa6de9350937a0bb85f290746ca4939ea8f77f756d
[INFO] running `Command { std: "docker" "start" "-a" "f16ef23ab852dd295dbc66fa6de9350937a0bb85f290746ca4939ea8f77f756d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling utf8-decode v1.0.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling abnf-core v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pct-str v2.0.0
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling abnf v0.13.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling static-regular-grammar v2.0.2
[INFO] [stderr]    Compiling iref-core v3.2.2
[INFO] [stderr]    Compiling iref-macros v3.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "f16ef23ab852dd295dbc66fa6de9350937a0bb85f290746ca4939ea8f77f756d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16ef23ab852dd295dbc66fa6de9350937a0bb85f290746ca4939ea8f77f756d", kill_on_drop: false }`
[INFO] [stdout] f16ef23ab852dd295dbc66fa6de9350937a0bb85f290746ca4939ea8f77f756d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 09f521ebc49cbed28146500cf655685cc06e3a3e7ae0e0bdf5ad6b8d51e104ac
[INFO] running `Command { std: "docker" "start" "-a" "09f521ebc49cbed28146500cf655685cc06e3a3e7ae0e0bdf5ad6b8d51e104ac", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `memchr v2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `memchr v2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memchr-2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "09f521ebc49cbed28146500cf655685cc06e3a3e7ae0e0bdf5ad6b8d51e104ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f521ebc49cbed28146500cf655685cc06e3a3e7ae0e0bdf5ad6b8d51e104ac", kill_on_drop: false }`
[INFO] [stdout] 09f521ebc49cbed28146500cf655685cc06e3a3e7ae0e0bdf5ad6b8d51e104ac