[INFO] updating cached repository badboy/small-step-simple-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/badboy/small-step-simple-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/badboy/small-step-simple-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/small-step-simple-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/small-step-simple-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/badboy/small-step-simple-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/small-step-simple-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/small-step-simple-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 31434807da02bff7ef9d5ff8d8af259bd8946ff9 [INFO] sha for GitHub repo badboy/small-step-simple-rust: 31434807da02bff7ef9d5ff8d8af259bd8946ff9 [INFO] validating manifest of badboy/small-step-simple-rust 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 badboy/small-step-simple-rust 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 badboy/small-step-simple-rust [INFO] finished frobbing badboy/small-step-simple-rust [INFO] frobbed toml for badboy/small-step-simple-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/small-step-simple-rust/Cargo.toml [INFO] started frobbing badboy/small-step-simple-rust [INFO] finished frobbing badboy/small-step-simple-rust [INFO] frobbed toml for badboy/small-step-simple-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/small-step-simple-rust/Cargo.toml [INFO] crate badboy/small-step-simple-rust 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing badboy/small-step-simple-rust against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/small-step-simple-rust:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2ea92bd3db314d7bf88b00244b62548e25ddb7db02d4e5c09c36e1bfa5f3c317 [INFO] running `"docker" "start" "-a" "2ea92bd3db314d7bf88b00244b62548e25ddb7db02d4e5c09c36e1bfa5f3c317"` [INFO] [stderr] Compiling small_step_simple v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | #![feature(box_syntax,box_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:69:1 [INFO] [stderr] | [INFO] [stderr] 69 | / macro_rules! number( [INFO] [stderr] 70 | | ($val:expr) => ( [INFO] [stderr] 71 | | box Element::Number($val) [INFO] [stderr] 72 | | ); [INFO] [stderr] 73 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:74:1 [INFO] [stderr] | [INFO] [stderr] 74 | / macro_rules! add( [INFO] [stderr] 75 | | ($l:expr, $r:expr) => ( [INFO] [stderr] 76 | | box Element::Add($l, $r) [INFO] [stderr] 77 | | ) [INFO] [stderr] 78 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:79:1 [INFO] [stderr] | [INFO] [stderr] 79 | / macro_rules! multiply( [INFO] [stderr] 80 | | ($l:expr, $r:expr) => ( [INFO] [stderr] 81 | | box Element::Multiply($l, $r) [INFO] [stderr] 82 | | ) [INFO] [stderr] 83 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:84:1 [INFO] [stderr] | [INFO] [stderr] 84 | / macro_rules! boolean( [INFO] [stderr] 85 | | ($val:expr) => ( [INFO] [stderr] 86 | | box Element::Boolean($val) [INFO] [stderr] 87 | | ) [INFO] [stderr] 88 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:89:1 [INFO] [stderr] | [INFO] [stderr] 89 | / macro_rules! less_than( [INFO] [stderr] 90 | | ($l:expr, $r:expr) => ( [INFO] [stderr] 91 | | box Element::LessThan($l, $r) [INFO] [stderr] 92 | | ) [INFO] [stderr] 93 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:94:1 [INFO] [stderr] | [INFO] [stderr] 94 | / macro_rules! variable( [INFO] [stderr] 95 | | ($v:expr) => ( [INFO] [stderr] 96 | | box Element::Variable($v.to_string()) [INFO] [stderr] 97 | | ) [INFO] [stderr] 98 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:99:1 [INFO] [stderr] | [INFO] [stderr] 99 | / macro_rules! assign( [INFO] [stderr] 100 | | ($name:expr, $exp:expr) => ( [INFO] [stderr] 101 | | box Element::Assign($name.to_string(), $exp) [INFO] [stderr] 102 | | ) [INFO] [stderr] 103 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:104:1 [INFO] [stderr] | [INFO] [stderr] 104 | / macro_rules! sequence( [INFO] [stderr] 105 | | ($first:expr, $second:expr) => ( [INFO] [stderr] 106 | | box Element::Sequence($first, $second) [INFO] [stderr] 107 | | ) [INFO] [stderr] 108 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:109:1 [INFO] [stderr] | [INFO] [stderr] 109 | / macro_rules! ifelse( [INFO] [stderr] 110 | | ($condition:expr, $consequence:expr, $alternative:expr) => ( [INFO] [stderr] 111 | | box Element::IfElse($condition, $consequence, $alternative) [INFO] [stderr] 112 | | ) [INFO] [stderr] 113 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | / macro_rules! if_( [INFO] [stderr] 115 | | ($condition:expr, $consequence:expr) => ( [INFO] [stderr] 116 | | box Element::IfElse($condition, $consequence, box Element::DoNothing) [INFO] [stderr] 117 | | ) [INFO] [stderr] 118 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:119:1 [INFO] [stderr] | [INFO] [stderr] 119 | / macro_rules! while_( [INFO] [stderr] 120 | | ($condition:expr, $body:expr) => ( [INFO] [stderr] 121 | | box Element::While($condition, $body) [INFO] [stderr] 122 | | ) [INFO] [stderr] 123 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `small_step_simple`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2ea92bd3db314d7bf88b00244b62548e25ddb7db02d4e5c09c36e1bfa5f3c317"` [INFO] running `"docker" "rm" "-f" "2ea92bd3db314d7bf88b00244b62548e25ddb7db02d4e5c09c36e1bfa5f3c317"` [INFO] [stdout] 2ea92bd3db314d7bf88b00244b62548e25ddb7db02d4e5c09c36e1bfa5f3c317