[INFO] cloning repository https://github.com/VoxWave/Compilers2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VoxWave/Compilers2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoxWave%2FCompilers2018"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoxWave%2FCompilers2018'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba4fcdaabdef34f3da20321a7a9e49d6556eb676
[INFO] checking VoxWave/Compilers2018 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoxWave%2FCompilers2018" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VoxWave/Compilers2018 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/VoxWave/Compilers2018
[INFO] finished tweaking git repo https://github.com/VoxWave/Compilers2018
[INFO] tweaked toml for git repo https://github.com/VoxWave/Compilers2018 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/VoxWave/Compilers2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e4ae4bea20df5dff1834bfc889ade2b6b4c963ce7bdf5059b93d05350b8fa0b
[INFO] running `"docker" "start" "-a" "3e4ae4bea20df5dff1834bfc889ade2b6b4c963ce7bdf5059b93d05350b8fa0b"`
[INFO] [stderr]     Checking char_stream v0.1.8
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking minipl-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::mpsc::Sender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::mpsc::Receiver;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::abort`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::process::abort;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     '0'...'9' => ScanMode::Number,
[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/scanner/mod.rs:213:20
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 '0'...'8' | 'x' | 'U' | 'u' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:24
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:36
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:48
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:248:20
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 '0'...'7' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 |                         '0'...'7' => self.escape_buffer.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:28
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:40
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:52
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:303:16
[INFO] [stderr]     |
[INFO] [stderr] 303 |             '0'...'9' => self.buffer.push(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser/mod.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/interpreter.rs:207:33
[INFO] [stderr]     |
[INFO] [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
[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]   --> src/main.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
[INFO] [stderr]    |                           ----^^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:171:47
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 Statement::For(var, from, to, mut stmts) => {
[INFO] [stderr]     |                                               ----^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |                     let mut control_variable = self.context.get_mut(&var).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::mpsc::Sender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::mpsc::Receiver;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::abort`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::process::abort;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     '0'...'9' => ScanMode::Number,
[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/scanner/mod.rs:213:20
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 '0'...'8' | 'x' | 'U' | 'u' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:24
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:36
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:229:48
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     '0'...'9' | 'a'...'f' | 'A'...'F' => {
[INFO] [stderr]     |                                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:248:20
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 '0'...'7' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 |                         '0'...'7' => self.escape_buffer.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:28
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:40
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:272:52
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c),
[INFO] [stderr]     |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner/mod.rs:303:16
[INFO] [stderr]     |
[INFO] [stderr] 303 |             '0'...'9' => self.buffer.push(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         kill_switch.send(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     kill_signal.recv();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser/mod.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/interpreter.rs:207:33
[INFO] [stderr]     |
[INFO] [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
[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]   --> src/main.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
[INFO] [stderr]    |                           ----^^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/test.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut expected: VecDeque<_> = vec![
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:171:47
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 Statement::For(var, from, to, mut stmts) => {
[INFO] [stderr]     |                                               ----^^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |                     let mut control_variable = self.context.get_mut(&var).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         kill_switch.send(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     kill_signal.recv();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `"docker" "inspect" "3e4ae4bea20df5dff1834bfc889ade2b6b4c963ce7bdf5059b93d05350b8fa0b"`
[INFO] running `"docker" "rm" "-f" "3e4ae4bea20df5dff1834bfc889ade2b6b4c963ce7bdf5059b93d05350b8fa0b"`
[INFO] [stdout] 3e4ae4bea20df5dff1834bfc889ade2b6b4c963ce7bdf5059b93d05350b8fa0b