[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] checking jschappel/FlaxVM against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FFlaxVM" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jschappel/FlaxVM on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4243fbdcf597203fca683672c17d3f68c4f842b2716d68ab60d85fe72b0c03
[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" "0b4243fbdcf597203fca683672c17d3f68c4f842b2716d68ab60d85fe72b0c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4243fbdcf597203fca683672c17d3f68c4f842b2716d68ab60d85fe72b0c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4243fbdcf597203fca683672c17d3f68c4f842b2716d68ab60d85fe72b0c03", kill_on_drop: false }`
[INFO] [stdout] 0b4243fbdcf597203fca683672c17d3f68c4f842b2716d68ab60d85fe72b0c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d79a40031d9015fb21957e90bcbed166a8fdc1dfb77c94885e9ce87caf27d2
[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" "09d79a40031d9015fb21957e90bcbed166a8fdc1dfb77c94885e9ce87caf27d2", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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` 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`
[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[E0599]: no variant or associated item named `new_heap_string` found for enum `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`
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "09d79a40031d9015fb21957e90bcbed166a8fdc1dfb77c94885e9ce87caf27d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d79a40031d9015fb21957e90bcbed166a8fdc1dfb77c94885e9ce87caf27d2", kill_on_drop: false }`
[INFO] [stdout] 09d79a40031d9015fb21957e90bcbed166a8fdc1dfb77c94885e9ce87caf27d2