[INFO] fetching crate lc3-ensemble 0.10.0...
[INFO] checking lc3-ensemble-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lc3-ensemble 0.10.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate lc3-ensemble 0.10.0
[INFO] finished tweaking crates.io crate lc3-ensemble 0.10.0
[INFO] tweaked toml for crates.io crate lc3-ensemble 0.10.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lc3-ensemble 0.10.0 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 crates.io crate lc3-ensemble 0.10.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e64c8b7463b4a36b857f7130beb8e195506b2c0ccc00410bbdc7c2d0c7f0decc
[INFO] running `Command { std: "docker" "start" "-a" "e64c8b7463b4a36b857f7130beb8e195506b2c0ccc00410bbdc7c2d0c7f0decc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64c8b7463b4a36b857f7130beb8e195506b2c0ccc00410bbdc7c2d0c7f0decc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64c8b7463b4a36b857f7130beb8e195506b2c0ccc00410bbdc7c2d0c7f0decc", kill_on_drop: false }`
[INFO] [stdout] e64c8b7463b4a36b857f7130beb8e195506b2c0ccc00410bbdc7c2d0c7f0decc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d4eba7601b2ff0ec124923f0950d06460ade226e9f9eeebbe36e569fa169cd6
[INFO] running `Command { std: "docker" "start" "-a" "8d4eba7601b2ff0ec124923f0950d06460ade226e9f9eeebbe36e569fa169cd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]     Checking logos v0.15.0
[INFO] [stderr]     Checking lc3-ensemble v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn help(&self) -> Option<Cow<str>> {
[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] 130 |     fn help(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/parse/lex.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[regex(r"[A-Za-z_]\w*", |lx| lx.slice().parse::<Ident>().expect("should be infallible"))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:104:61
[INFO] [stdout]     |
[INFO] [stdout] 104 |               fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________________^
[INFO] [stdout] 105 | |                 match &*s.to_uppercase() {
[INFO] [stdout] 106 | |                     $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout] 107 | |                     _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 | /                 match &*s.to_uppercase() {
[INFO] [stdout] 106 | |                     $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout] 107 | |                     _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout] 108 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:106:45
[INFO] [stdout]     |
[INFO] [stdout] 106 |                       $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |                       _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse/lex.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 174 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 237 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/asm.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 166 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/err.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn help(&self) -> Option<Cow<str>>;
[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] 36 |     fn help(&self) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn help(&self) -> Option<Cow<str>> {
[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] 130 |     fn help(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/parse/lex.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[regex(r"[A-Za-z_]\w*", |lx| lx.slice().parse::<Ident>().expect("should be infallible"))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:104:61
[INFO] [stdout]     |
[INFO] [stdout] 104 |               fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________________^
[INFO] [stdout] 105 | |                 match &*s.to_uppercase() {
[INFO] [stdout] 106 | |                     $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout] 107 | |                     _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 | /                 match &*s.to_uppercase() {
[INFO] [stdout] 106 | |                     $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout] 107 | |                     _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout] 108 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:106:45
[INFO] [stdout]     |
[INFO] [stdout] 106 |                       $(stringify!($instr) => Ok(Self::$instr)),*,
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (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: Result<Ident, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |                       _ => Ok(Self::Label(s.to_string()))
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / ident_enum! {
[INFO] [stdout] 123 | |     ADD, AND, NOT, BR, BRP, BRZ, BRZP, BRN, BRNP, BRNZ, BRNZP, 
[INFO] [stdout] 124 | |     JMP, JSR, JSRR, LD, LDI, LDR, LEA, ST, STI, STR, TRAP, NOP, 
[INFO] [stdout] 125 | |     RET, RTI, GETC, OUT, PUTC, PUTS, IN, PUTSP, HALT
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ident_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse/lex.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 174 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 237 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/asm.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn help(&self) -> Option<std::borrow::Cow<str>> {
[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] 166 |     fn help(&self) -> Option<std::borrow::Cow<'_, str>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/err.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn help(&self) -> Option<Cow<str>>;
[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] 36 |     fn help(&self) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lc3-ensemble` (lib test) due to 5 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lc3-ensemble` (lib) due to 5 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8d4eba7601b2ff0ec124923f0950d06460ade226e9f9eeebbe36e569fa169cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4eba7601b2ff0ec124923f0950d06460ade226e9f9eeebbe36e569fa169cd6", kill_on_drop: false }`
[INFO] [stdout] 8d4eba7601b2ff0ec124923f0950d06460ade226e9f9eeebbe36e569fa169cd6