[INFO] cloning repository https://github.com/nascii/lc3vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nascii/lc3vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnascii%2Flc3vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnascii%2Flc3vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2fc231be46e7e25810bc274879bc1470ee8c1df
[INFO] checking nascii/lc3vm against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnascii%2Flc3vm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nascii/lc3vm on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nascii/lc3vm
[INFO] finished tweaking git repo https://github.com/nascii/lc3vm
[INFO] tweaked toml for git repo https://github.com/nascii/lc3vm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nascii/lc3vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 298f3c5746167b3f386d5a23aece8dab202b2850a9850fe1ad5d740a9ab91d06
[INFO] running `Command { std: "docker" "start" "-a" "298f3c5746167b3f386d5a23aece8dab202b2850a9850fe1ad5d740a9ab91d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298f3c5746167b3f386d5a23aece8dab202b2850a9850fe1ad5d740a9ab91d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298f3c5746167b3f386d5a23aece8dab202b2850a9850fe1ad5d740a9ab91d06", kill_on_drop: false }`
[INFO] [stdout] 298f3c5746167b3f386d5a23aece8dab202b2850a9850fe1ad5d740a9ab91d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae95062c400bba83e7ef13fcff8a3d441208af898b6cf78d51b2a957cab3fe95
[INFO] running `Command { std: "docker" "start" "-a" "ae95062c400bba83e7ef13fcff8a3d441208af898b6cf78d51b2a957cab3fe95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking lc3vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]   --> src/parser.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(cell: u16) -> Option<Instruction> {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]   --> src/parser.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(cell: u16) -> Option<Instruction> {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `env`
[INFO] [stdout]   --> src/main.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut args = env::args().collect::<Vec<_>>();
[INFO] [stdout]    |                    ^^^ use of undeclared type or module `env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `fs`
[INFO] [stdout]   --> src/main.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let contents = fs::read_to_string(config.file_path);
[INFO] [stdout]    |                    ^^ use of undeclared type or module `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TermEmulator` in this scope
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Environment for TermEmulator {
[INFO] [stdout]   |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]  --> src/main.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_char(&mut self) -> Value {
[INFO] [stdout]   |                               ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lc3vm::Value;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn put_char(&mut self, value: Value) {
[INFO] [stdout]    |                                   ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn read_mem<R: FromMemory>(&mut self, loc: Value) -> R {
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_mem(&mut self, loc: Value, value: Value) {
[INFO] [stdout]    |                                  ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_mem(&mut self, loc: Value, value: Value) {
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     processor: Processor,
[INFO] [stdout]   |                ^^^^^^^^^ expected 1 type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lc3vm`.
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `env`
[INFO] [stdout]   --> src/main.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut args = env::args().collect::<Vec<_>>();
[INFO] [stdout]    |                    ^^^ use of undeclared type or module `env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `fs`
[INFO] [stdout]   --> src/main.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let contents = fs::read_to_string(config.file_path);
[INFO] [stdout]    |                    ^^ use of undeclared type or module `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error[E0412]: cannot find type `TermEmulator` in this scope
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Environment for TermEmulator {
[INFO] [stdout]   |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]  --> src/main.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_char(&mut self) -> Value {
[INFO] [stdout]   |                               ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lc3vm::Value;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn put_char(&mut self, value: Value) {
[INFO] [stdout]    |                                   ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn read_mem<R: FromMemory>(&mut self, loc: Value) -> R {
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_mem(&mut self, loc: Value, value: Value) {
[INFO] [stdout]    |                                  ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> src/main.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_mem(&mut self, loc: Value, value: Value) {
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lc3vm::Value;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     processor: Processor,
[INFO] [stdout]   |                ^^^^^^^^^ expected 1 type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ae95062c400bba83e7ef13fcff8a3d441208af898b6cf78d51b2a957cab3fe95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae95062c400bba83e7ef13fcff8a3d441208af898b6cf78d51b2a957cab3fe95", kill_on_drop: false }`
[INFO] [stdout] ae95062c400bba83e7ef13fcff8a3d441208af898b6cf78d51b2a957cab3fe95
