[INFO] fetching crate casper-contract 5.1.0...
[INFO] testing casper-contract-5.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate casper-contract 5.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate casper-contract 5.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate casper-contract 5.1.0
[INFO] tweaked toml for crates.io crate casper-contract 5.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate casper-contract 5.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 129 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-map-to-array v1.1.1
[INFO] [stderr]   Downloaded casper-types v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ebd382a9f53ca5bee8cc1c60207f6f42ad15ec98e58fa9b4628a6a26f2493727
[INFO] running `Command { std: "docker" "start" "-a" "ebd382a9f53ca5bee8cc1c60207f6f42ad15ec98e58fa9b4628a6a26f2493727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd382a9f53ca5bee8cc1c60207f6f42ad15ec98e58fa9b4628a6a26f2493727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd382a9f53ca5bee8cc1c60207f6f42ad15ec98e58fa9b4628a6a26f2493727", kill_on_drop: false }`
[INFO] [stdout] ebd382a9f53ca5bee8cc1c60207f6f42ad15ec98e58fa9b4628a6a26f2493727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9174b9534fce3eccb3e54f4ae6972b20c4eadffad54db76e0dd7578eaec82e20
[INFO] running `Command { std: "docker" "start" "-a" "9174b9534fce3eccb3e54f4ae6972b20c4eadffad54db76e0dd7578eaec82e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde-map-to-array v1.1.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling casper-types v6.0.0
[INFO] [stderr]    Compiling casper-contract v5.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]  --> src/no_std_handlers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 6 | pub fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]   | ------------------------------------------------- should be the internal language item
[INFO] [stdout]   |
[INFO] [stdout]   = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]   = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]   = note: debuggers support a command such as `rbreak rust_begin_unwind` to
[INFO] [stdout]   = note: match `.*rust_begin_unwind.*` instead of `break rust_begin_unwind` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casper-contract` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9174b9534fce3eccb3e54f4ae6972b20c4eadffad54db76e0dd7578eaec82e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9174b9534fce3eccb3e54f4ae6972b20c4eadffad54db76e0dd7578eaec82e20", kill_on_drop: false }`
[INFO] [stdout] 9174b9534fce3eccb3e54f4ae6972b20c4eadffad54db76e0dd7578eaec82e20