[INFO] fetching crate birdcage 0.8.1...
[INFO] testing birdcage-0.8.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate birdcage 0.8.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate birdcage 0.8.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate birdcage 0.8.1
[INFO] tweaked toml for crates.io crate birdcage 0.8.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate birdcage 0.8.1 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 birdcage 0.8.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded fastrand v2.0.0
[INFO] [stderr]   Downloaded seccompiler v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f12252dfe038707dc5804ca98b064daace269b9da27c48e24481efe00e17831a
[INFO] running `Command { std: "docker" "start" "-a" "f12252dfe038707dc5804ca98b064daace269b9da27c48e24481efe00e17831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f12252dfe038707dc5804ca98b064daace269b9da27c48e24481efe00e17831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12252dfe038707dc5804ca98b064daace269b9da27c48e24481efe00e17831a", kill_on_drop: false }`
[INFO] [stdout] f12252dfe038707dc5804ca98b064daace269b9da27c48e24481efe00e17831a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7b40431ce4983222e5b1ea45eb71c69bb9fe08684bb6581db4ac2fa8483a271c
[INFO] running `Command { std: "docker" "start" "-a" "7b40431ce4983222e5b1ea45eb71c69bb9fe08684bb6581db4ac2fa8483a271c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling seccompiler v0.3.0
[INFO] [stderr]    Compiling birdcage v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `SYS_rseq` in crate `libc`
[INFO] [stdout]    --> src/linux/seccomp.rs:406:11
[INFO] [stdout]     |
[INFO] [stdout] 406 |     libc::SYS_rseq,
[INFO] [stdout]     |           ^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `birdcage` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7b40431ce4983222e5b1ea45eb71c69bb9fe08684bb6581db4ac2fa8483a271c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b40431ce4983222e5b1ea45eb71c69bb9fe08684bb6581db4ac2fa8483a271c", kill_on_drop: false }`
[INFO] [stdout] 7b40431ce4983222e5b1ea45eb71c69bb9fe08684bb6581db4ac2fa8483a271c