[INFO] cloning repository https://github.com/lemonmobile/lem-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lemonmobile/lem-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonmobile%2Flem-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonmobile%2Flem-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d226e20e24221daa160008d222b605cfb223b35
[INFO] testing lemonmobile/lem-lang against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonmobile%2Flem-lang" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lemonmobile/lem-lang
[INFO] finished tweaking git repo https://github.com/lemonmobile/lem-lang
[INFO] tweaked toml for git repo https://github.com/lemonmobile/lem-lang written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lemonmobile/lem-lang on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lemonmobile/lem-lang 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528
[INFO] running `Command { std: "docker" "start" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/biguint.rs:50:48
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/biguint.rs:50:64
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:41:64
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:107:48
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:107:64
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-complex-0.1.43/src/lib.rs:65:48
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-complex-0.1.43/src/lib.rs:65:64
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr] error: could not compile `num-complex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `num-bigint` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528", kill_on_drop: false }`
[INFO] [stdout] 908c8811059fb39b951e5e32eae719302a52a8dd62b9191a289e382c0051c528
