[INFO] cloning repository https://github.com/RussellSprouts/6502-language-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RussellSprouts/6502-language-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d77c31f2f401ed975bf0e3a4c3497bf7e297654
[INFO] testing RussellSprouts/6502-language-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSprouts%2F6502-language-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RussellSprouts/6502-language-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RussellSprouts/6502-language-rust
[INFO] finished tweaking git repo https://github.com/RussellSprouts/6502-language-rust
[INFO] tweaked toml for git repo https://github.com/RussellSprouts/6502-language-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/RussellSprouts/6502-language-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b08ca2c0b2c494f813a4c02cb0bee7d50db82bdb4194522f2d09c1ecce9394e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b08ca2c0b2c494f813a4c02cb0bee7d50db82bdb4194522f2d09c1ecce9394e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b08ca2c0b2c494f813a4c02cb0bee7d50db82bdb4194522f2d09c1ecce9394e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08ca2c0b2c494f813a4c02cb0bee7d50db82bdb4194522f2d09c1ecce9394e7", kill_on_drop: false }`
[INFO] [stdout] b08ca2c0b2c494f813a4c02cb0bee7d50db82bdb4194522f2d09c1ecce9394e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c3e43e9a176f2dd98f6ee97aaf3bcd2b569836d124ce07eb77baa23fff5ee9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95c3e43e9a176f2dd98f6ee97aaf3bcd2b569836d124ce07eb77baa23fff5ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling im v10.0.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:84:320
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ =>...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:84:334
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . mar...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:84:348
[INFO] [stdout]    |
[INFO] [stdout] 84 | ... match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' | '$' | '%' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:86:763
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_fa...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:86:777
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...ut , __pos ) ; match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:86:791
[INFO] [stdout]    |
[INFO] [stdout] 86 | ... match __ch { '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9a-fA-F]...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:90:492
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:140:677
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:140:691
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:140:1088
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:140:1102
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compiler-bc7d6f3212e2363f/out/grammar.rs:140:1116
[INFO] [stdout]     |
[INFO] [stdout] 140 | ... match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "95c3e43e9a176f2dd98f6ee97aaf3bcd2b569836d124ce07eb77baa23fff5ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c3e43e9a176f2dd98f6ee97aaf3bcd2b569836d124ce07eb77baa23fff5ee9", kill_on_drop: false }`
[INFO] [stdout] 95c3e43e9a176f2dd98f6ee97aaf3bcd2b569836d124ce07eb77baa23fff5ee9