[INFO] updating cached repository PaulJuliusMartinez/CoolRustCompiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PaulJuliusMartinez/CoolRustCompiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PaulJuliusMartinez/CoolRustCompiler" "work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PaulJuliusMartinez/CoolRustCompiler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PaulJuliusMartinez/CoolRustCompiler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PaulJuliusMartinez/CoolRustCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f04cebe065f62a2a5b13c54203c28209c5457b5
[INFO] sha for GitHub repo PaulJuliusMartinez/CoolRustCompiler: 9f04cebe065f62a2a5b13c54203c28209c5457b5
[INFO] validating manifest of PaulJuliusMartinez/CoolRustCompiler on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PaulJuliusMartinez/CoolRustCompiler on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PaulJuliusMartinez/CoolRustCompiler
[INFO] finished frobbing PaulJuliusMartinez/CoolRustCompiler
[INFO] frobbed toml for PaulJuliusMartinez/CoolRustCompiler written to work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler/Cargo.toml
[INFO] started frobbing PaulJuliusMartinez/CoolRustCompiler
[INFO] finished frobbing PaulJuliusMartinez/CoolRustCompiler
[INFO] frobbed toml for PaulJuliusMartinez/CoolRustCompiler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PaulJuliusMartinez/CoolRustCompiler/Cargo.toml
[INFO] crate PaulJuliusMartinez/CoolRustCompiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing PaulJuliusMartinez/CoolRustCompiler against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 139f26cd9e82cccd8d4b42c56658c747f6db7a70eeca2c53b9392e4b259257db
[INFO] running `"docker" "start" "-a" "139f26cd9e82cccd8d4b42c56658c747f6db7a70eeca2c53b9392e4b259257db"`
[INFO] [stderr]    Compiling cool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::Box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ast::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | / macro_rules! match_single_capture {
[INFO] [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
[INFO] [stderr] 55 | |         match *$tok {
[INFO] [stderr] 56 | |             $expected => {
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     }}
[INFO] [stderr] 66 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:541:20
[INFO] [stderr]     |
[INFO] [stderr] 541 |                 47 ... 53 => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1481 |             on_expression_goto!(state, rule, 29)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1487 |             on_expression_goto!(state, rule, 56)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1490 |             on_expression_goto!(state, rule, 69)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1493 |             on_expression_goto!(state, rule, 78)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1496 |             on_expression_goto!(state, rule, 107)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1499 |             on_expression_goto!(state, rule, 116)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1508 |             on_expression_goto!(state, rule, 108)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1511 |             on_expression_goto!(state, rule, 41)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1517 |             on_expression_goto!(state, rule, 117)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1520 |             on_expression_goto!(state, rule, 118)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1523 |             on_expression_goto!(state, rule, 119)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1526 |             on_expression_goto!(state, rule, 120)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1529 |             on_expression_goto!(state, rule, 121)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1532 |             on_expression_goto!(state, rule, 122)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1535 |             on_expression_goto!(state, rule, 123)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1538 |             on_expression_goto!(state, rule, 95)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1564 |             on_expression_goto!(state, rule, 62)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1586 |             on_expression_goto!(state, rule, 71)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1592 |             on_expression_goto!(state, rule, 74)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1598 |             on_expression_goto!(state, rule, 76)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1613 |             on_expression_goto!(state, rule, 85)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1622 |             on_expression_goto!(state, rule, 97)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1641 |             on_expression_goto!(state, rule, 111)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1671 |             on_expression_goto!(state, rule, 127)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1677 |             on_expression_goto!(state, rule, 153)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:83:33
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             'a' ... 'z' | 'A' ... 'Z' => {
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             'a' ... 'z' | 'A' ... 'Z' => {
[INFO] [stderr]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 |                             '0' ... '9' => {
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:47
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:61
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:169:33
[INFO] [stderr]     |
[INFO] [stderr] 169 |                             '0' ... '9' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:172:33
[INFO] [stderr]     |
[INFO] [stderr] 172 |                             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:172:47
[INFO] [stderr]     |
[INFO] [stderr] 172 |                             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: variable `line_no` is assigned to, but never used
[INFO] [stderr]   --> src/lexer/mod.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut line_no = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_line_no` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tabs`
[INFO] [stderr]    --> src/printer/mod.rs:199:28
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_tabs`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "139f26cd9e82cccd8d4b42c56658c747f6db7a70eeca2c53b9392e4b259257db"`
[INFO] running `"docker" "rm" "-f" "139f26cd9e82cccd8d4b42c56658c747f6db7a70eeca2c53b9392e4b259257db"`
[INFO] [stdout] 139f26cd9e82cccd8d4b42c56658c747f6db7a70eeca2c53b9392e4b259257db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46b1b91062ac1726045468c7bac453fba17ae84cb4fb3382a6b718a32e430e33
[INFO] running `"docker" "start" "-a" "46b1b91062ac1726045468c7bac453fba17ae84cb4fb3382a6b718a32e430e33"`
[INFO] [stderr]    Compiling cool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::Box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ast::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | / macro_rules! match_single_capture {
[INFO] [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
[INFO] [stderr] 55 | |         match *$tok {
[INFO] [stderr] 56 | |             $expected => {
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |     }}
[INFO] [stderr] 66 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:541:20
[INFO] [stderr]     |
[INFO] [stderr] 541 |                 47 ... 53 => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1481 |             on_expression_goto!(state, rule, 29)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1487 |             on_expression_goto!(state, rule, 56)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1490 |             on_expression_goto!(state, rule, 69)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1493 |             on_expression_goto!(state, rule, 78)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1496 |             on_expression_goto!(state, rule, 107)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1499 |             on_expression_goto!(state, rule, 116)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1508 |             on_expression_goto!(state, rule, 108)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1511 |             on_expression_goto!(state, rule, 41)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1517 |             on_expression_goto!(state, rule, 117)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1520 |             on_expression_goto!(state, rule, 118)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1523 |             on_expression_goto!(state, rule, 119)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1526 |             on_expression_goto!(state, rule, 120)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1529 |             on_expression_goto!(state, rule, 121)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1532 |             on_expression_goto!(state, rule, 122)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1535 |             on_expression_goto!(state, rule, 123)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1538 |             on_expression_goto!(state, rule, 95)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1564 |             on_expression_goto!(state, rule, 62)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1586 |             on_expression_goto!(state, rule, 71)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1592 |             on_expression_goto!(state, rule, 74)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1598 |             on_expression_goto!(state, rule, 76)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1613 |             on_expression_goto!(state, rule, 85)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1622 |             on_expression_goto!(state, rule, 97)
[INFO] [stderr]      |             ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1641 |             on_expression_goto!(state, rule, 111)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1671 |             on_expression_goto!(state, rule, 127)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:158:16
[INFO] [stderr]      |
[INFO] [stderr] 158  |             15 ... 40 => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] ...
[INFO] [stderr] 1677 |             on_expression_goto!(state, rule, 153)
[INFO] [stderr]      |             ------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:83:33
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             'a' ... 'z' | 'A' ... 'Z' => {
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             'a' ... 'z' | 'A' ... 'Z' => {
[INFO] [stderr]    |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 |                             '0' ... '9' => {
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:47
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:132:61
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => {
[INFO] [stderr]     |                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:169:33
[INFO] [stderr]     |
[INFO] [stderr] 169 |                             '0' ... '9' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:172:33
[INFO] [stderr]     |
[INFO] [stderr] 172 |                             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:172:47
[INFO] [stderr]     |
[INFO] [stderr] 172 |                             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: variable `line_no` is assigned to, but never used
[INFO] [stderr]   --> src/lexer/mod.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut line_no = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_line_no` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tabs`
[INFO] [stderr]    --> src/printer/mod.rs:199:28
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_tabs`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "46b1b91062ac1726045468c7bac453fba17ae84cb4fb3382a6b718a32e430e33"`
[INFO] running `"docker" "rm" "-f" "46b1b91062ac1726045468c7bac453fba17ae84cb4fb3382a6b718a32e430e33"`
[INFO] [stdout] 46b1b91062ac1726045468c7bac453fba17ae84cb4fb3382a6b718a32e430e33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PaulJuliusMartinez/CoolRustCompiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 08a716ff02c5f74ed9bbcd55b6b4b2c6e6d1257553f5294d08dfc1c3f8cb07d3
[INFO] running `"docker" "start" "-a" "08a716ff02c5f74ed9bbcd55b6b4b2c6e6d1257553f5294d08dfc1c3f8cb07d3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cool-719455a17b207ccc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08a716ff02c5f74ed9bbcd55b6b4b2c6e6d1257553f5294d08dfc1c3f8cb07d3"`
[INFO] running `"docker" "rm" "-f" "08a716ff02c5f74ed9bbcd55b6b4b2c6e6d1257553f5294d08dfc1c3f8cb07d3"`
[INFO] [stdout] 08a716ff02c5f74ed9bbcd55b6b4b2c6e6d1257553f5294d08dfc1c3f8cb07d3