[INFO] fetching crate scanner_vin 0.1.0...
[INFO] building scanner_vin-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate scanner_vin 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate scanner_vin 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanner_vin 0.1.0
[INFO] finished tweaking crates.io crate scanner_vin 0.1.0
[INFO] tweaked toml for crates.io crate scanner_vin 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de512bf4250aa68c01e77d66215f59c06104cc10f49500243da07cc2e85c99e
[INFO] running `Command { std: "docker" "start" "-a" "0de512bf4250aa68c01e77d66215f59c06104cc10f49500243da07cc2e85c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de512bf4250aa68c01e77d66215f59c06104cc10f49500243da07cc2e85c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de512bf4250aa68c01e77d66215f59c06104cc10f49500243da07cc2e85c99e", kill_on_drop: false }`
[INFO] [stdout] 0de512bf4250aa68c01e77d66215f59c06104cc10f49500243da07cc2e85c99e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf851b9570daeb210bf9f272f307f70ea82f8a8afba9711f721427a2cb2b783b
[INFO] running `Command { std: "docker" "start" "-a" "bf851b9570daeb210bf9f272f307f70ea82f8a8afba9711f721427a2cb2b783b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling scanner_vin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0774]: `derive` may only be applied to `struct`s, `enum`s and `union`s
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[derive(Debug)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ not applicable here
[INFO] [stdout] ...
[INFO] [stdout] 28 |     let proc_str = "let x = 200 in let f = proc (z) -(z,x) in let x = 100 in let g = proc (z) -(z,x) in -((f 1),(g 1))";
[INFO] [stdout]    |     -------------------------------------------------------------------------------------------------------------------- not a `struct`, `enum` or `union`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::AsRef`
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(lexer.run());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:133:28
[INFO] [stdout]     |
[INFO] [stdout] 133 |                         '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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   let val = try!(self.parse_number());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   let val = try!(self.parse_identifier());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |                         '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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let ast = try!(parse(&v));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:139:68
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         '[' | ']' | '{' | '}' | '|' | '\\' | '/' | '/'=> {
[INFO] [stdout]     |                                                              ---   ^^^ no value can reach this
[INFO] [stdout]     |                                                              |
[INFO] [stdout]     |                                                              matches all the relevant values
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chk`
[INFO] [stdout]   --> src/environment.rs:69:46
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_chk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/environment.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env_1`
[INFO] [stdout]   --> src/environment.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_env_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env1`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let env1 = environment::env();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_env1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0774`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scanner_vin` (bin "scanner_vin") due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bf851b9570daeb210bf9f272f307f70ea82f8a8afba9711f721427a2cb2b783b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf851b9570daeb210bf9f272f307f70ea82f8a8afba9711f721427a2cb2b783b", kill_on_drop: false }`
[INFO] [stdout] bf851b9570daeb210bf9f272f307f70ea82f8a8afba9711f721427a2cb2b783b