[INFO] cloning repository https://github.com/tejasag/hera
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tejasag/hera" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftejasag%2Fhera", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftejasag%2Fhera'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b083d4ef3d4ab5aac6249555088bef218b91b79
[INFO] testing tejasag/hera against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftejasag%2Fhera" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tejasag/hera on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tejasag/hera
[INFO] finished tweaking git repo https://github.com/tejasag/hera
[INFO] tweaked toml for git repo https://github.com/tejasag/hera written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/tejasag/hera already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4831476823a106abebdf6f07315789d99d4da312ddc1cb4cb9c5b283073c80ef
[INFO] running `Command { std: "docker" "start" "-a" "4831476823a106abebdf6f07315789d99d4da312ddc1cb4cb9c5b283073c80ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4831476823a106abebdf6f07315789d99d4da312ddc1cb4cb9c5b283073c80ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4831476823a106abebdf6f07315789d99d4da312ddc1cb4cb9c5b283073c80ef", kill_on_drop: false }`
[INFO] [stdout] 4831476823a106abebdf6f07315789d99d4da312ddc1cb4cb9c5b283073c80ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f072ef58564b076f21b3f392ed2f01337998f8f6fa4c98cb94c3cdab1067c662
[INFO] running `Command { std: "docker" "start" "-a" "f072ef58564b076f21b3f392ed2f01337998f8f6fa4c98cb94c3cdab1067c662", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hera v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `LetExpression` found for enum `Statement` in the current scope
[INFO] [stdout]   --> src/parser.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Some(Statement::LetExpression(name, lit))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         variant or associated item not found in `Statement`
[INFO] [stdout]    |                         help: there is a variant with a similar name: `Expression`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ast.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Statement {
[INFO] [stdout]    | ------------------ variant or associated item `LetExpression` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `ReturnExpression` found for enum `Statement` in the current scope
[INFO] [stdout]   --> src/parser.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Some(Statement::ReturnExpression(Expression::Literal(
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ variant or associated item not found in `Statement`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ast.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Statement {
[INFO] [stdout]    | ------------------ variant or associated item `ReturnExpression` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hera` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f072ef58564b076f21b3f392ed2f01337998f8f6fa4c98cb94c3cdab1067c662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f072ef58564b076f21b3f392ed2f01337998f8f6fa4c98cb94c3cdab1067c662", kill_on_drop: false }`
[INFO] [stdout] f072ef58564b076f21b3f392ed2f01337998f8f6fa4c98cb94c3cdab1067c662