[INFO] cloning repository https://github.com/jschappel/FlaxVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jschappel/FlaxVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FFlaxVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FFlaxVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43abffa6cb3bf8bf7780f67892d8991835d510fb
[INFO] testing jschappel/FlaxVM against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FFlaxVM" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jschappel/FlaxVM on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jschappel/FlaxVM
[INFO] finished tweaking git repo https://github.com/jschappel/FlaxVM
[INFO] tweaked toml for git repo https://github.com/jschappel/FlaxVM written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jschappel/FlaxVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f340c51fe19f671d511947f39a925503a6700440e93588543ad9aedf6e92466c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f340c51fe19f671d511947f39a925503a6700440e93588543ad9aedf6e92466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f340c51fe19f671d511947f39a925503a6700440e93588543ad9aedf6e92466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f340c51fe19f671d511947f39a925503a6700440e93588543ad9aedf6e92466c", kill_on_drop: false }`
[INFO] [stdout] f340c51fe19f671d511947f39a925503a6700440e93588543ad9aedf6e92466c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3526f90112487969afcc2dbb1bfbf3937063d93c25ab1e2c9a2db3b952901895
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3526f90112487969afcc2dbb1bfbf3937063d93c25ab1e2c9a2db3b952901895", kill_on_drop: false }`
[INFO] [stderr]    Compiling FlaxVM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HeapString`
[INFO] [stdout]  --> src/parser.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::object::{HeapString, Object};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `new_heap_string` found for enum `object::Object` in the current scope
[INFO] [stdout]    --> src/parser.rs:105:77
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         return Ok(Instruction::B(opcode, Value::Obj(Object::new_heap_string(*x))))
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^ variant or associated item not found in `object::Object`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/object.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub enum Object {
[INFO] [stdout]     | --------------- variant or associated item `new_heap_string` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `FlaxVM`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3526f90112487969afcc2dbb1bfbf3937063d93c25ab1e2c9a2db3b952901895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3526f90112487969afcc2dbb1bfbf3937063d93c25ab1e2c9a2db3b952901895", kill_on_drop: false }`
[INFO] [stdout] 3526f90112487969afcc2dbb1bfbf3937063d93c25ab1e2c9a2db3b952901895