[INFO] fetching crate casper-contract 5.1.1...
[INFO] checking casper-contract-5.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate casper-contract 5.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate casper-contract 5.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate casper-contract 5.1.1
[INFO] tweaked toml for crates.io crate casper-contract 5.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate casper-contract 5.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate casper-contract 5.1.1 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed4ba0993b3375c45a4cf04aa0cc8209c1b6375bc9c07f181e8ff2b9b4ca7fb9
[INFO] running `Command { std: "docker" "start" "-a" "ed4ba0993b3375c45a4cf04aa0cc8209c1b6375bc9c07f181e8ff2b9b4ca7fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed4ba0993b3375c45a4cf04aa0cc8209c1b6375bc9c07f181e8ff2b9b4ca7fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4ba0993b3375c45a4cf04aa0cc8209c1b6375bc9c07f181e8ff2b9b4ca7fb9", kill_on_drop: false }`
[INFO] [stdout] ed4ba0993b3375c45a4cf04aa0cc8209c1b6375bc9c07f181e8ff2b9b4ca7fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5ee20a51117b5edd5e5ce406873843180570ad0d56b13be92002d5e6a17b07
[INFO] running `Command { std: "docker" "start" "-a" "0d5ee20a51117b5edd5e5ce406873843180570ad0d56b13be92002d5e6a17b07", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking serde-map-to-array v1.1.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking casper-types v6.0.1
[INFO] [stderr]     Checking casper-contract v5.1.1 (/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" "0d5ee20a51117b5edd5e5ce406873843180570ad0d56b13be92002d5e6a17b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5ee20a51117b5edd5e5ce406873843180570ad0d56b13be92002d5e6a17b07", kill_on_drop: false }`
[INFO] [stdout] 0d5ee20a51117b5edd5e5ce406873843180570ad0d56b13be92002d5e6a17b07