[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] testing zesterer/fuckvm against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zesterer/fuckvm on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zesterer/fuckvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8122f05ca98127f4481cb2c73c7b5e5c925ef93de99e1ad24777d127b0536c00
[INFO] running `Command { std: "docker" "start" "-a" "8122f05ca98127f4481cb2c73c7b5e5c925ef93de99e1ad24777d127b0536c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8122f05ca98127f4481cb2c73c7b5e5c925ef93de99e1ad24777d127b0536c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8122f05ca98127f4481cb2c73c7b5e5c925ef93de99e1ad24777d127b0536c00", kill_on_drop: false }`
[INFO] [stdout] 8122f05ca98127f4481cb2c73c7b5e5c925ef93de99e1ad24777d127b0536c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa5e73a10929eb42631cd4bbb465660271e160d1cfdeda24dd66b07af1322f57
[INFO] running `Command { std: "docker" "start" "-a" "aa5e73a10929eb42631cd4bbb465660271e160d1cfdeda24dd66b07af1322f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 lir::Branch::Exit => instrs.push(Instr::Exit),
[INFO] [stdout]     |                 ----------------- matches some of the same values
[INFO] [stdout] 108 |                 lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)),
[INFO] [stdout]     |                 --------------------- matches some of the same values
[INFO] [stdout] 109 |                 lir::Branch::If(pred, if_true, if_false) =>
[INFO] [stdout]     |                 ---------------------------------------- matches some of the same values
[INFO] [stdout] 110 |                     instrs.push(Instr::If(pred, if_true, if_false)),
[INFO] [stdout] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stdout]     |                 ------------------------------- matches some of the same values
[INFO] [stdout] 112 |                     instrs.push(Instr::Return),
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ir/lir.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     hir::Branch::Goto(name) => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 149 |                     hir::Branch::Exit => Branch::Exit,
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] 150 |                     hir::Branch::ReturnVal(hir::Local(name, ty)) => {
[INFO] [stdout]     |                     -------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     hir::Branch::ReturnNone => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 165 |                     _ => unimplemented!(),
[INFO] [stdout]     |                     ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCRATCH_3` is never used
[INFO] [stdout]    --> src/bf/bfir.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 | const SCRATCH_3: usize = 9;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_byte_zeroing` is never used
[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: 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let _ = vm.exec(&bf);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "aa5e73a10929eb42631cd4bbb465660271e160d1cfdeda24dd66b07af1322f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5e73a10929eb42631cd4bbb465660271e160d1cfdeda24dd66b07af1322f57", kill_on_drop: false }`
[INFO] [stdout] aa5e73a10929eb42631cd4bbb465660271e160d1cfdeda24dd66b07af1322f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09dbe8b6156c6cf7aafa07976cfbc72fb35d7a4f9c5c594f3538be3f4371c542
[INFO] running `Command { std: "docker" "start" "-a" "09dbe8b6156c6cf7aafa07976cfbc72fb35d7a4f9c5c594f3538be3f4371c542", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 lir::Branch::Exit => instrs.push(Instr::Exit),
[INFO] [stdout]     |                 ----------------- matches some of the same values
[INFO] [stdout] 108 |                 lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)),
[INFO] [stdout]     |                 --------------------- matches some of the same values
[INFO] [stdout] 109 |                 lir::Branch::If(pred, if_true, if_false) =>
[INFO] [stdout]     |                 ---------------------------------------- matches some of the same values
[INFO] [stdout] 110 |                     instrs.push(Instr::If(pred, if_true, if_false)),
[INFO] [stdout] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stdout]     |                 ------------------------------- matches some of the same values
[INFO] [stdout] 112 |                     instrs.push(Instr::Return),
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ir/lir.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     hir::Branch::Goto(name) => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 149 |                     hir::Branch::Exit => Branch::Exit,
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] 150 |                     hir::Branch::ReturnVal(hir::Local(name, ty)) => {
[INFO] [stdout]     |                     -------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     hir::Branch::ReturnNone => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 165 |                     _ => unimplemented!(),
[INFO] [stdout]     |                     ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SCRATCH_3` is never used
[INFO] [stdout]    --> src/bf/bfir.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 | const SCRATCH_3: usize = 9;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_byte_zeroing` is never used
[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/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/bf/bfir.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 lir::Branch::Exit => instrs.push(Instr::Exit),
[INFO] [stdout]     |                 ----------------- matches some of the same values
[INFO] [stdout] 108 |                 lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)),
[INFO] [stdout]     |                 --------------------- matches some of the same values
[INFO] [stdout] 109 |                 lir::Branch::If(pred, if_true, if_false) =>
[INFO] [stdout]     |                 ---------------------------------------- matches some of the same values
[INFO] [stdout] 110 |                     instrs.push(Instr::If(pred, if_true, if_false)),
[INFO] [stdout] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stdout]     |                 ------------------------------- matches some of the same values
[INFO] [stdout] 112 |                     instrs.push(Instr::Return),
[INFO] [stdout] 113 |                 _ => unimplemented!(),
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/ir/lir.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     hir::Branch::Goto(name) => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 149 |                     hir::Branch::Exit => Branch::Exit,
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] 150 |                     hir::Branch::ReturnVal(hir::Local(name, ty)) => {
[INFO] [stdout]     |                     -------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     hir::Branch::ReturnNone => {
[INFO] [stdout]     |                     ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 165 |                     _ => unimplemented!(),
[INFO] [stdout]     |                     ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCRATCH_3` is never used
[INFO] [stdout]    --> src/bf/bfir.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 | const SCRATCH_3: usize = 9;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_byte_zeroing` is never used
[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: 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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let _ = vm.exec(&bf);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "09dbe8b6156c6cf7aafa07976cfbc72fb35d7a4f9c5c594f3538be3f4371c542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09dbe8b6156c6cf7aafa07976cfbc72fb35d7a4f9c5c594f3538be3f4371c542", kill_on_drop: false }`
[INFO] [stdout] 09dbe8b6156c6cf7aafa07976cfbc72fb35d7a4f9c5c594f3538be3f4371c542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c02906a5dc9c310f7c706ebdb29e7a787b5f0bb76b9946258592a0bf323174d3
[INFO] running `Command { std: "docker" "start" "-a" "c02906a5dc9c310f7c706ebdb29e7a787b5f0bb76b9946258592a0bf323174d3", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 lir::Branch::Exit => instrs.push(Instr::Exit),
[INFO] [stderr]     |                 ----------------- matches some of the same values
[INFO] [stderr] 108 |                 lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)),
[INFO] [stderr]     |                 --------------------- matches some of the same values
[INFO] [stderr] 109 |                 lir::Branch::If(pred, if_true, if_false) =>
[INFO] [stderr]     |                 ---------------------------------------- matches some of the same values
[INFO] [stderr] 110 |                     instrs.push(Instr::If(pred, if_true, if_false)),
[INFO] [stderr] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stderr]     |                 ------------------------------- matches some of the same values
[INFO] [stderr] 112 |                     instrs.push(Instr::Return),
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stack_size`
[INFO] [stderr]    --> src/bf/bfir.rs:111:37
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/lir.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     _ => unimplemented!(),
[INFO] [stderr]     |                     ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/ir/lir.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     hir::Branch::Goto(name) => {
[INFO] [stderr]     |                     ----------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     hir::Branch::Exit => Branch::Exit,
[INFO] [stderr]     |                     ----------------- matches some of the same values
[INFO] [stderr] 150 |                     hir::Branch::ReturnVal(hir::Local(name, ty)) => {
[INFO] [stderr]     |                     -------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 155 |                     hir::Branch::ReturnNone => {
[INFO] [stderr]     |                     ----------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 165 |                     _ => unimplemented!(),
[INFO] [stderr]     |                     ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCRATCH_3` is never used
[INFO] [stderr]    --> src/bf/bfir.rs:165:7
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     |       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_byte_zeroing` is never used
[INFO] [stderr]    --> src/bf/bfir.rs:189:4
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fuckvm` (lib) generated 5 warnings (run `cargo fix --lib -p fuckvm` to apply 1 suggestion)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/test.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     vm.exec(&bf);
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let _ = vm.exec(&bf);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fuckvm` (bin "test" test) generated 1 warning
[INFO] [stderr] warning: `fuckvm` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fuckvm-3664a796bd01fa54)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/test.rs (/opt/rustwide/target/debug/deps/test-289b6055bfc8d0a5)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/vm.rs (/opt/rustwide/target/debug/deps/vm-ca42af74eba101c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuckvm
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c02906a5dc9c310f7c706ebdb29e7a787b5f0bb76b9946258592a0bf323174d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02906a5dc9c310f7c706ebdb29e7a787b5f0bb76b9946258592a0bf323174d3", kill_on_drop: false }`
[INFO] [stdout] c02906a5dc9c310f7c706ebdb29e7a787b5f0bb76b9946258592a0bf323174d3
