[INFO] cloning repository https://github.com/csildev/CComp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csildev/CComp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsildev%2FCComp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsildev%2FCComp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ad39f3ff98f8f3ab8136a4a800192a3ede4ef1f
[INFO] testing csildev/CComp against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsildev%2FCComp" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csildev/CComp on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csildev/CComp
[INFO] finished tweaking git repo https://github.com/csildev/CComp
[INFO] tweaked toml for git repo https://github.com/csildev/CComp written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/csildev/CComp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a2836592e8ac0fcf1e2c40aac1a28d1d23e24b8858022b3eec1944a04b56fd
[INFO] running `Command { std: "docker" "start" "-a" "25a2836592e8ac0fcf1e2c40aac1a28d1d23e24b8858022b3eec1944a04b56fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a2836592e8ac0fcf1e2c40aac1a28d1d23e24b8858022b3eec1944a04b56fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a2836592e8ac0fcf1e2c40aac1a28d1d23e24b8858022b3eec1944a04b56fd", kill_on_drop: false }`
[INFO] [stdout] 25a2836592e8ac0fcf1e2c40aac1a28d1d23e24b8858022b3eec1944a04b56fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980983ac4b5314e9fc492c34d7bdf26bdb57c797a69b4acc8b1383b8805eb6a2
[INFO] running `Command { std: "docker" "start" "-a" "980983ac4b5314e9fc492c34d7bdf26bdb57c797a69b4acc8b1383b8805eb6a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdio v0.1.0 (/opt/rustwide/workdir/stdio)
[INFO] [stderr]    Compiling parserlib v0.1.0 (/opt/rustwide/workdir/parserlib)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         '0'...'9' => get_number(code),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:46
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |             '0'...'9' | '_' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:201:28
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let (stmt, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:222:35
[INFO] [stdout]     |
[INFO] [stdout] 222 |                         let (exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                   ----^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:255:27
[INFO] [stdout]     |
[INFO] [stdout] 255 |             let (rel_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:261:23
[INFO] [stdout]     |
[INFO] [stdout] 261 |             let (smt, mut toks) = parse_stmt(tokens);
[INFO] [stdout]     |                       ----^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 277 |             let (exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                       ----^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                              ----^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:292:43
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                                           ----^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |             let (expr, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:397:28
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let (expr, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:402:28
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:411:24
[INFO] [stdout]     |
[INFO] [stdout] 411 |             let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:423:25
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let (l_exp, mut toks) = parse_logorexp(tokens);
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:427:33
[INFO] [stdout]     |
[INFO] [stdout] 427 |                     let (s_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                 ----^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:433:33
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     let (e_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                 ----^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "980983ac4b5314e9fc492c34d7bdf26bdb57c797a69b4acc8b1383b8805eb6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980983ac4b5314e9fc492c34d7bdf26bdb57c797a69b4acc8b1383b8805eb6a2", kill_on_drop: false }`
[INFO] [stdout] 980983ac4b5314e9fc492c34d7bdf26bdb57c797a69b4acc8b1383b8805eb6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a56a786c18bf30a6ad75e3edd75458113e9bda8c3d8915f13f530f073584a2
[INFO] running `Command { std: "docker" "start" "-a" "49a56a786c18bf30a6ad75e3edd75458113e9bda8c3d8915f13f530f073584a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> parserlib/src/lex.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         '0'...'9' => get_number(code),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:169:46
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stdout]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> parserlib/src/lex.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |             '0'...'9' | '_' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:201:28
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 let (stmt, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:222:35
[INFO] [stdout]     |
[INFO] [stdout] 222 |                         let (exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                   ----^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:255:27
[INFO] [stdout]     |
[INFO] [stdout] 255 |             let (rel_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:261:23
[INFO] [stdout]     |
[INFO] [stdout] 261 |             let (smt, mut toks) = parse_stmt(tokens);
[INFO] [stdout]     |                       ----^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 277 |             let (exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                       ----^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                              ----^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:292:43
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stdout]     |                                           ----^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |             let (expr, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:397:28
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let (expr, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:402:28
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stdout]     |                            ----^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:411:24
[INFO] [stdout]     |
[INFO] [stdout] 411 |             let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:423:25
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let (l_exp, mut toks) = parse_logorexp(tokens);
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:427:33
[INFO] [stdout]     |
[INFO] [stdout] 427 |                     let (s_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                 ----^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> parserlib/src/parse.rs:433:33
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     let (e_exp, mut toks) = parse_exp(tokens);
[INFO] [stdout]     |                                 ----^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tcc-b176b559f669614a)
[INFO] running `Command { std: "docker" "inspect" "49a56a786c18bf30a6ad75e3edd75458113e9bda8c3d8915f13f530f073584a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a56a786c18bf30a6ad75e3edd75458113e9bda8c3d8915f13f530f073584a2", kill_on_drop: false }`
[INFO] [stdout] 49a56a786c18bf30a6ad75e3edd75458113e9bda8c3d8915f13f530f073584a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02e30042a01b6c7e6e5a5627dcd1ee437987179f4f27b357eb21e4ea810190b6
[INFO] running `Command { std: "docker" "start" "-a" "02e30042a01b6c7e6e5a5627dcd1ee437987179f4f27b357eb21e4ea810190b6", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> parserlib/src/lex.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> parserlib/src/lex.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |         'a'...'z' | 'A'...'Z' => get_identifier(code),
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> parserlib/src/lex.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |         '0'...'9' => get_number(code),
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> parserlib/src/lex.rs:169:16
[INFO] [stderr]     |
[INFO] [stderr] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> parserlib/src/lex.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> parserlib/src/lex.rs:169:46
[INFO] [stderr]     |
[INFO] [stderr] 169 |             'a'...'z' | 'A'...'Z' | '_' | '0'...'9' => {
[INFO] [stderr]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> parserlib/src/lex.rs:196:16
[INFO] [stderr]     |
[INFO] [stderr] 196 |             '0'...'9' | '_' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:201:28
[INFO] [stderr]     |
[INFO] [stderr] 201 |                 let (stmt, mut toks) = parse_blockitem(tokens);
[INFO] [stderr]     |                            ----^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:222:35
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         let (exp, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                                   ----^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:255:27
[INFO] [stderr]     |
[INFO] [stderr] 255 |             let (rel_exp, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:261:23
[INFO] [stderr]     |
[INFO] [stderr] 261 |             let (smt, mut toks) = parse_stmt(tokens);
[INFO] [stderr]     |                       ----^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:277:23
[INFO] [stderr]     |
[INFO] [stderr] 277 |             let (exp, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                       ----^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:292:30
[INFO] [stderr]     |
[INFO] [stderr] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stderr]     |                              ----^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:292:43
[INFO] [stderr]     |
[INFO] [stderr] 292 |                         let (mut blkitem, mut toks) = parse_blockitem(tokens);
[INFO] [stderr]     |                                           ----^^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:376:24
[INFO] [stderr]     |
[INFO] [stderr] 376 |             let (expr, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:397:28
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let (expr, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                            ----^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:402:28
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stderr]     |                            ----^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:411:24
[INFO] [stderr]     |
[INFO] [stderr] 411 |             let (expr, mut toks) = parse_conditionalexp(tokens);
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:423:25
[INFO] [stderr]     |
[INFO] [stderr] 423 |             let (l_exp, mut toks) = parse_logorexp(tokens);
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:427:33
[INFO] [stderr]     |
[INFO] [stderr] 427 |                     let (s_exp, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                                 ----^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> parserlib/src/parse.rs:433:33
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     let (e_exp, mut toks) = parse_exp(tokens);
[INFO] [stderr]     |                                 ----^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `parserlib` (lib) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcc-b176b559f669614a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02e30042a01b6c7e6e5a5627dcd1ee437987179f4f27b357eb21e4ea810190b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e30042a01b6c7e6e5a5627dcd1ee437987179f4f27b357eb21e4ea810190b6", kill_on_drop: false }`
[INFO] [stdout] 02e30042a01b6c7e6e5a5627dcd1ee437987179f4f27b357eb21e4ea810190b6