[INFO] cloning repository https://github.com/Xiao-Suda/codegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiao-Suda/codegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c26c310c8c147fcff89d4a6b8798eada102d0d0e
[INFO] checking Xiao-Suda/codegen against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xiao-Suda/codegen on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xiao-Suda/codegen
[INFO] finished tweaking git repo https://github.com/Xiao-Suda/codegen
[INFO] tweaked toml for git repo https://github.com/Xiao-Suda/codegen written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xiao-Suda/codegen 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf64e6156e1b11b9838489cc905c9be142bcb469fe5ea222dcc6d89fa1b4a41
[INFO] running `Command { std: "docker" "start" "-a" "bcf64e6156e1b11b9838489cc905c9be142bcb469fe5ea222dcc6d89fa1b4a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf64e6156e1b11b9838489cc905c9be142bcb469fe5ea222dcc6d89fa1b4a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf64e6156e1b11b9838489cc905c9be142bcb469fe5ea222dcc6d89fa1b4a41", kill_on_drop: false }`
[INFO] [stdout] bcf64e6156e1b11b9838489cc905c9be142bcb469fe5ea222dcc6d89fa1b4a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11aa0e60d7c39bf276e422712c425d75a9ba64f9634c082762f94ba3e88c372f
[INFO] running `Command { std: "docker" "start" "-a" "11aa0e60d7c39bf276e422712c425d75a9ba64f9634c082762f94ba3e88c372f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking codegen-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             }
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |             }
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             }
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |             }
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/parse/decl.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut fields = vec![];
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/parse/decl.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut fields = vec![];
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "11aa0e60d7c39bf276e422712c425d75a9ba64f9634c082762f94ba3e88c372f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11aa0e60d7c39bf276e422712c425d75a9ba64f9634c082762f94ba3e88c372f", kill_on_drop: false }`
[INFO] [stdout] 11aa0e60d7c39bf276e422712c425d75a9ba64f9634c082762f94ba3e88c372f
[INFO] checking Xiao-Suda/codegen against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xiao-Suda/codegen on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xiao-Suda/codegen
[INFO] finished tweaking git repo https://github.com/Xiao-Suda/codegen
[INFO] tweaked toml for git repo https://github.com/Xiao-Suda/codegen written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Xiao-Suda/codegen 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d8d7167c6dbe58edbe1eed6176e460d684b27658d0633d0bcc22209a45322d
[INFO] running `Command { std: "docker" "start" "-a" "29d8d7167c6dbe58edbe1eed6176e460d684b27658d0633d0bcc22209a45322d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d8d7167c6dbe58edbe1eed6176e460d684b27658d0633d0bcc22209a45322d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d8d7167c6dbe58edbe1eed6176e460d684b27658d0633d0bcc22209a45322d", kill_on_drop: false }`
[INFO] [stdout] 29d8d7167c6dbe58edbe1eed6176e460d684b27658d0633d0bcc22209a45322d
[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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deff1dbaa877b1e4d0f7b1f60a22e7fb6158e33c3ff97a32068b8a8ee945c817
[INFO] running `Command { std: "docker" "start" "-a" "deff1dbaa877b1e4d0f7b1f60a22e7fb6158e33c3ff97a32068b8a8ee945c817", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking codegen-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lex/lexer.rs:112:35
[INFO] [stdout]     |
[INFO] [stdout] 112 |             self.tokens.push(Token { span: start .. end, kind });
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/lex/source.rs:76:33
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let code_before = &code_before[start_of_line ..];
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/parse/ast_display.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     for a in &args[1..] {
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/parse/ast_display.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             for arg in &self.args[1..] {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/sem/pass_typecheck.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |         for i in 0 .. arg_types.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/sem/types.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     for a in &args[1..] {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/cg/mips/direct.rs:596:11
[INFO] [stdout]     |
[INFO] [stdout] 596 |     for i in 0 .. frame.num_saved_regs() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/cg/mips/direct.rs:614:11
[INFO] [stdout]     |
[INFO] [stdout] 614 |     for i in 0 .. frame.num_saved_regs() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lex/lexer.rs:112:35
[INFO] [stdout]     |
[INFO] [stdout] 112 |             self.tokens.push(Token { span: start .. end, kind });
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/lex/source.rs:76:33
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let code_before = &code_before[start_of_line ..];
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/parse/ast_display.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     for a in &args[1..] {
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/parse/ast_display.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             for arg in &self.args[1..] {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/parse/tests.rs:973:14
[INFO] [stdout]     |
[INFO] [stdout] 973 |         let span = i .. i + 1;
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/sem/pass_typecheck.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |         for i in 0 .. arg_types.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/sem/types.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     for a in &args[1..] {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/cg/mips/direct.rs:596:11
[INFO] [stdout]     |
[INFO] [stdout] 596 |     for i in 0 .. frame.num_saved_regs() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/cg/mips/direct.rs:614:11
[INFO] [stdout]     |
[INFO] [stdout] 614 |     for i in 0 .. frame.num_saved_regs() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             }
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |             }
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             }
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |             }
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/parse/decl.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut fields = vec![];
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/parse/decl.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut fields = vec![];
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public struct field
[INFO] [stdout]    --> src/lex/token.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub span: Range<usize>,
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D explicit-range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codegen-proj` (lib) due to 2 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "deff1dbaa877b1e4d0f7b1f60a22e7fb6158e33c3ff97a32068b8a8ee945c817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deff1dbaa877b1e4d0f7b1f60a22e7fb6158e33c3ff97a32068b8a8ee945c817", kill_on_drop: false }`
[INFO] [stdout] deff1dbaa877b1e4d0f7b1f60a22e7fb6158e33c3ff97a32068b8a8ee945c817
