[INFO] cloning repository https://github.com/snjax/nep4_nostd_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snjax/nep4_nostd_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fnep4_nostd_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fnep4_nostd_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e452a8bc114e43ed49680d89738fcade4a17303
[INFO] testing snjax/nep4_nostd_example against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fnep4_nostd_example" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snjax/nep4_nostd_example on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snjax/nep4_nostd_example
[INFO] finished tweaking git repo https://github.com/snjax/nep4_nostd_example
[INFO] tweaked toml for git repo https://github.com/snjax/nep4_nostd_example written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/snjax/nep4_nostd_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/snjax/near-sdk-pure-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.8.1
[INFO] [stderr]   Downloaded borsh v0.8.1
[INFO] [stderr]   Downloaded borsh-derive-internal v0.8.1
[INFO] [stderr]   Downloaded borsh-derive v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2900e6b7812a4204c11f91b0045a1c871002c43f0c231c6e70e41a42e151b2
[INFO] running `Command { std: "docker" "start" "-a" "ac2900e6b7812a4204c11f91b0045a1c871002c43f0c231c6e70e41a42e151b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2900e6b7812a4204c11f91b0045a1c871002c43f0c231c6e70e41a42e151b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2900e6b7812a4204c11f91b0045a1c871002c43f0c231c6e70e41a42e151b2", kill_on_drop: false }`
[INFO] [stdout] ac2900e6b7812a4204c11f91b0045a1c871002c43f0c231c6e70e41a42e151b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931f312cc1fcf702e7ee01773f73a53f2f402b2a0455ed65b1361116cf538802
[INFO] running `Command { std: "docker" "start" "-a" "931f312cc1fcf702e7ee01773f73a53f2f402b2a0455ed65b1361116cf538802", 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] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.1
[INFO] [stderr]    Compiling near-sdk-pure-core v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]    Compiling near-sdk-pure-macros v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.8.1
[INFO] [stderr]    Compiling borsh v0.8.1
[INFO] [stderr]    Compiling near-sdk-pure v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]    Compiling nep4-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn panic(info: &::core::panic::PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `serde` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.so, /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`nep4_rs`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn oom(_: ::core::alloc::Layout) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `serde` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.so, /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`nep4_rs`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nep4-rs` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "931f312cc1fcf702e7ee01773f73a53f2f402b2a0455ed65b1361116cf538802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931f312cc1fcf702e7ee01773f73a53f2f402b2a0455ed65b1361116cf538802", kill_on_drop: false }`
[INFO] [stdout] 931f312cc1fcf702e7ee01773f73a53f2f402b2a0455ed65b1361116cf538802