[INFO] cloning repository https://github.com/zesterer/fuckvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/fuckvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf2751673cba6fe0eba6495ce0585958097add51
[INFO] checking zesterer/fuckvm against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zesterer/fuckvm on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zesterer/fuckvm
[INFO] finished tweaking git repo https://github.com/zesterer/fuckvm
[INFO] tweaked toml for git repo https://github.com/zesterer/fuckvm written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zesterer/fuckvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e540cdcf1d7719cb691926ffb77b9ec5006550557fbfa01a38b4f366ae939d9
[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" "8e540cdcf1d7719cb691926ffb77b9ec5006550557fbfa01a38b4f366ae939d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e540cdcf1d7719cb691926ffb77b9ec5006550557fbfa01a38b4f366ae939d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e540cdcf1d7719cb691926ffb77b9ec5006550557fbfa01a38b4f366ae939d9", kill_on_drop: false }`
[INFO] [stdout] 8e540cdcf1d7719cb691926ffb77b9ec5006550557fbfa01a38b4f366ae939d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 0182087b2ee04abd3f1240be9901c3534136c9cbab7fb30642c449ab8130f5cb
[INFO] running `Command { std: "docker" "start" "-a" "0182087b2ee04abd3f1240be9901c3534136c9cbab7fb30642c449ab8130f5cb", kill_on_drop: false }`
[INFO] [stderr]     Checking fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ir/lir.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     _ => unimplemented!(),
[INFO] [stdout]     |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack_size`
[INFO] [stdout]    --> src/bf/bfir.rs:111:37
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCRATCH_3`
[INFO] [stdout]    --> src/bf/bfir.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | const SCRATCH_3: usize = 9;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_byte_zeroing`
[INFO] [stdout]    --> src/bf/bfir.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ir/lir.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     _ => unimplemented!(),
[INFO] [stdout]     |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack_size`
[INFO] [stdout]    --> src/bf/bfir.rs:111:37
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCRATCH_3`
[INFO] [stdout]    --> src/bf/bfir.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 165 | const SCRATCH_3: usize = 9;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_byte_zeroing`
[INFO] [stdout]    --> src/bf/bfir.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/test.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     vm.exec(&bf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/test.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     vm.exec(&bf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "0182087b2ee04abd3f1240be9901c3534136c9cbab7fb30642c449ab8130f5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0182087b2ee04abd3f1240be9901c3534136c9cbab7fb30642c449ab8130f5cb", kill_on_drop: false }`
[INFO] [stdout] 0182087b2ee04abd3f1240be9901c3534136c9cbab7fb30642c449ab8130f5cb