[INFO] cloning repository https://github.com/zesterer/fuckvm
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf2751673cba6fe0eba6495ce0585958097add51
[INFO] testing zesterer/fuckvm against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zesterer/fuckvm on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zesterer/fuckvm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71c53c67b77572efb8e697a3753993129a7150015650699c7e65a7bcf54147dd
[INFO] running `"docker" "start" "-a" "71c53c67b77572efb8e697a3753993129a7150015650699c7e65a7bcf54147dd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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]     |                     ^
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "71c53c67b77572efb8e697a3753993129a7150015650699c7e65a7bcf54147dd"`
[INFO] running `"docker" "rm" "-f" "71c53c67b77572efb8e697a3753993129a7150015650699c7e65a7bcf54147dd"`
[INFO] [stdout] 71c53c67b77572efb8e697a3753993129a7150015650699c7e65a7bcf54147dd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1bf9d68ca0e18b40fc770448d0cd67fd4252fc4f876103eb7fdace1d59fb807
[INFO] running `"docker" "start" "-a" "b1bf9d68ca0e18b40fc770448d0cd67fd4252fc4f876103eb7fdace1d59fb807"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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]     |                     ^
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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]     |                     ^
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "b1bf9d68ca0e18b40fc770448d0cd67fd4252fc4f876103eb7fdace1d59fb807"`
[INFO] running `"docker" "rm" "-f" "b1bf9d68ca0e18b40fc770448d0cd67fd4252fc4f876103eb7fdace1d59fb807"`
[INFO] [stdout] b1bf9d68ca0e18b40fc770448d0cd67fd4252fc4f876103eb7fdace1d59fb807
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84326cecafc403abdeda381bf7fa3b975f9f86c980c795816bb071faf4efdd3c
[INFO] running `"docker" "start" "-a" "84326cecafc403abdeda381bf7fa3b975f9f86c980c795816bb071faf4efdd3c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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]     |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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]     |                     ^
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuckvm-bbdaf42ca8ccde8c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-ff4023b12cf00797
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vm-0c397b641310cf63
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuckvm
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84326cecafc403abdeda381bf7fa3b975f9f86c980c795816bb071faf4efdd3c"`
[INFO] running `"docker" "rm" "-f" "84326cecafc403abdeda381bf7fa3b975f9f86c980c795816bb071faf4efdd3c"`
[INFO] [stdout] 84326cecafc403abdeda381bf7fa3b975f9f86c980c795816bb071faf4efdd3c