[INFO] cloning repository https://github.com/zsakowitz/rs-bf-neo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsakowitz/rs-bf-neo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Frs-bf-neo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Frs-bf-neo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22bd4b0b6a21a310cda2e43ff543bb36fa4d6347
[INFO] checking zsakowitz/rs-bf-neo against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Frs-bf-neo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zsakowitz/rs-bf-neo
[INFO] finished tweaking git repo https://github.com/zsakowitz/rs-bf-neo
[INFO] tweaked toml for git repo https://github.com/zsakowitz/rs-bf-neo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zsakowitz/rs-bf-neo on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zsakowitz/rs-bf-neo 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7ea8d797b285d5593ac4cdec9992a8c4af26d449a02adb8fc2952b17e270b70
[INFO] running `Command { std: "docker" "start" "-a" "a7ea8d797b285d5593ac4cdec9992a8c4af26d449a02adb8fc2952b17e270b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ea8d797b285d5593ac4cdec9992a8c4af26d449a02adb8fc2952b17e270b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea8d797b285d5593ac4cdec9992a8c4af26d449a02adb8fc2952b17e270b70", kill_on_drop: false }`
[INFO] [stdout] a7ea8d797b285d5593ac4cdec9992a8c4af26d449a02adb8fc2952b17e270b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d914ea2d1b5d2ed5b488576297a49d3e39999e93e6511eed99388d8b096e391d
[INFO] running `Command { std: "docker" "start" "-a" "d914ea2d1b5d2ed5b488576297a49d3e39999e93e6511eed99388d8b096e391d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking pest v2.7.11
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]    Compiling pest_generator v2.7.11
[INFO] [stderr]    Compiling pest_derive v2.7.11
[INFO] [stderr]     Checking rs-bf-neo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]     --> src/rcr/emit.rs:1502:16
[INFO] [stdout]      |
[INFO] [stdout] 1502 |     fn stmt_bf(state: &mut State, stmt: &Bf) -> Result<()> {
[INFO] [stdout]      |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]     --> src/rcr/emit.rs:1502:35
[INFO] [stdout]      |
[INFO] [stdout] 1502 |     fn stmt_bf(state: &mut State, stmt: &Bf) -> Result<()> {
[INFO] [stdout]      |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]     --> src/rcr/emit.rs:1502:16
[INFO] [stdout]      |
[INFO] [stdout] 1502 |     fn stmt_bf(state: &mut State, stmt: &Bf) -> Result<()> {
[INFO] [stdout]      |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]     --> src/rcr/emit.rs:1502:35
[INFO] [stdout]      |
[INFO] [stdout] 1502 |     fn stmt_bf(state: &mut State, stmt: &Bf) -> Result<()> {
[INFO] [stdout]      |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn source(&self) -> Ref<String> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn source(&self) -> Ref<'_, String> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn source_mut(&self) -> RefMut<String> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn source_mut(&self) -> RefMut<'_, String> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn pointer(&self) -> RefMut<usize> {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn pointer(&self) -> RefMut<'_, usize> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/executor/mod.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 173 |           program: &'a Program,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 174 |           tape: T,
[INFO] [stdout] 175 |       ) -> Executor<
[INFO] [stdout]     |  __________^
[INFO] [stdout] 176 | |         T,
[INFO] [stdout] 177 | |         Map<Stdin, impl Fn(u8) -> Wrapping<u8>>,
[INFO] [stdout] 178 | |         MapOutput<Stdout, u8, impl FnMut(Wrapping<u8>) -> u8>,
[INFO] [stdout] 179 | |     > {
[INFO] [stdout]     | |_____^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     ) -> Executor<'a, 
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/executor/mod.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 192 |           program: &'a Program,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 193 |           tape: T,
[INFO] [stdout] 194 |       ) -> Executor<
[INFO] [stdout]     |  __________^
[INFO] [stdout] 195 | |         T,
[INFO] [stdout] 196 | |         Map<Stdin, impl Fn(u8) -> Saturating<u8>>,
[INFO] [stdout] 197 | |         MapOutput<Stdout, u8, impl FnMut(Saturating<u8>) -> u8>,
[INFO] [stdout] 198 | |     > {
[INFO] [stdout]     | |_____^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 194 |     ) -> Executor<'a, 
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:76:13
[INFO] [stdout]     |
[INFO] [stdout]  76 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:85:13
[INFO] [stdout]     |
[INFO] [stdout]  85 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:94:13
[INFO] [stdout]     |
[INFO] [stdout]  94 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-bf-neo` (lib) due to 12 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn source(&self) -> Ref<String> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn source(&self) -> Ref<'_, String> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn source_mut(&self) -> RefMut<String> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn source_mut(&self) -> RefMut<'_, String> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/builder.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn pointer(&self) -> RefMut<usize> {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn pointer(&self) -> RefMut<'_, usize> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/executor/mod.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 173 |           program: &'a Program,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 174 |           tape: T,
[INFO] [stdout] 175 |       ) -> Executor<
[INFO] [stdout]     |  __________^
[INFO] [stdout] 176 | |         T,
[INFO] [stdout] 177 | |         Map<Stdin, impl Fn(u8) -> Wrapping<u8>>,
[INFO] [stdout] 178 | |         MapOutput<Stdout, u8, impl FnMut(Wrapping<u8>) -> u8>,
[INFO] [stdout] 179 | |     > {
[INFO] [stdout]     | |_____^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     ) -> Executor<'a, 
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/executor/mod.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 192 |           program: &'a Program,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 193 |           tape: T,
[INFO] [stdout] 194 |       ) -> Executor<
[INFO] [stdout]     |  __________^
[INFO] [stdout] 195 | |         T,
[INFO] [stdout] 196 | |         Map<Stdin, impl Fn(u8) -> Saturating<u8>>,
[INFO] [stdout] 197 | |         MapOutput<Stdout, u8, impl FnMut(Saturating<u8>) -> u8>,
[INFO] [stdout] 198 | |     > {
[INFO] [stdout]     | |_____^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 194 |     ) -> Executor<'a, 
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:76:13
[INFO] [stdout]     |
[INFO] [stdout]  76 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:85:13
[INFO] [stdout]     |
[INFO] [stdout]  85 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:94:13
[INFO] [stdout]     |
[INFO] [stdout]  94 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | impl_step_all_each_u!(u8, u16, u32, u64, u128, usize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_u` which comes from the expansion of the macro `impl_step_all_each_u` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             self.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<isize, Infallible>
[INFO] [stdout]    --> src/step.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             self.0.try_into().expect("should fit in an isize")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 | impl_step_all_each_i!(i8, i16, i32, i64, i128, isize);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_step_all_i` which comes from the expansion of the macro `impl_step_all_each_i` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-bf-neo` (lib test) due to 12 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d914ea2d1b5d2ed5b488576297a49d3e39999e93e6511eed99388d8b096e391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d914ea2d1b5d2ed5b488576297a49d3e39999e93e6511eed99388d8b096e391d", kill_on_drop: false }`
[INFO] [stdout] d914ea2d1b5d2ed5b488576297a49d3e39999e93e6511eed99388d8b096e391d
