[INFO] fetching crate scanner_vin 0.1.0...
[INFO] testing scanner_vin-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate scanner_vin 0.1.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate scanner_vin 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c50c3113c01b0829f4641997921931506475d7a22fb799733c8478699ef773
[INFO] running `Command { std: "docker" "start" "-a" "d3c50c3113c01b0829f4641997921931506475d7a22fb799733c8478699ef773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c50c3113c01b0829f4641997921931506475d7a22fb799733c8478699ef773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c50c3113c01b0829f4641997921931506475d7a22fb799733c8478699ef773", kill_on_drop: false }`
[INFO] [stdout] d3c50c3113c01b0829f4641997921931506475d7a22fb799733c8478699ef773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec15c2c479abd006ec6ac096b1eceee77da9e1c769d6842c90f26e544e98303
[INFO] running `Command { std: "docker" "start" "-a" "9ec15c2c479abd006ec6ac096b1eceee77da9e1c769d6842c90f26e544e98303", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     = 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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] error: aborting due to previous error; 9 warnings emitted
[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` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9ec15c2c479abd006ec6ac096b1eceee77da9e1c769d6842c90f26e544e98303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec15c2c479abd006ec6ac096b1eceee77da9e1c769d6842c90f26e544e98303", kill_on_drop: false }`
[INFO] [stdout] 9ec15c2c479abd006ec6ac096b1eceee77da9e1c769d6842c90f26e544e98303
