[INFO] fetching crate litto 0.1.0...
[INFO] testing litto-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate litto 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate litto 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate litto 0.1.0
[INFO] finished tweaking crates.io crate litto 0.1.0
[INFO] tweaked toml for crates.io crate litto 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcmodule_derive v0.2.3
[INFO] [stderr]   Downloaded gcmodule v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d937737e9f01dc349b584ee95fac2f0dd45314747ee7e452bb83e73b596951de
[INFO] running `Command { std: "docker" "start" "-a" "d937737e9f01dc349b584ee95fac2f0dd45314747ee7e452bb83e73b596951de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d937737e9f01dc349b584ee95fac2f0dd45314747ee7e452bb83e73b596951de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d937737e9f01dc349b584ee95fac2f0dd45314747ee7e452bb83e73b596951de", kill_on_drop: false }`
[INFO] [stdout] d937737e9f01dc349b584ee95fac2f0dd45314747ee7e452bb83e73b596951de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d32669c2bc3d7347c2a93efe63fed293b5a6e9db2959a341b6a11eae58dde43
[INFO] running `Command { std: "docker" "start" "-a" "5d32669c2bc3d7347c2a93efe63fed293b5a6e9db2959a341b6a11eae58dde43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling gcmodule_derive v0.2.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling gcmodule v0.2.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling litto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/tinylang/parser.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/minilang/parser.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "5d32669c2bc3d7347c2a93efe63fed293b5a6e9db2959a341b6a11eae58dde43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d32669c2bc3d7347c2a93efe63fed293b5a6e9db2959a341b6a11eae58dde43", kill_on_drop: false }`
[INFO] [stdout] 5d32669c2bc3d7347c2a93efe63fed293b5a6e9db2959a341b6a11eae58dde43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa9a549f37f1709913631475b18349d40e9e47eeb51f1c94365db5d018a4dc39
[INFO] running `Command { std: "docker" "start" "-a" "fa9a549f37f1709913631475b18349d40e9e47eeb51f1c94365db5d018a4dc39", kill_on_drop: false }`
[INFO] [stderr]    Compiling litto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/tinylang/parser.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/minilang/parser.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/tinylang/parser.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lang/minilang/parser.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "fa9a549f37f1709913631475b18349d40e9e47eeb51f1c94365db5d018a4dc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9a549f37f1709913631475b18349d40e9e47eeb51f1c94365db5d018a4dc39", kill_on_drop: false }`
[INFO] [stdout] fa9a549f37f1709913631475b18349d40e9e47eeb51f1c94365db5d018a4dc39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2042751781753996c3ac26c736dd2bf2a96025de563a7d3b6587904bfd5cfda
[INFO] running `Command { std: "docker" "start" "-a" "f2042751781753996c3ac26c736dd2bf2a96025de563a7d3b6587904bfd5cfda", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lang/tinylang/parser.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lang/minilang/parser.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `litto` (lib) generated 2 warnings
[INFO] [stderr] warning: `litto` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/litto-78ff152592c898ce)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lang::tinylang::tests::test_booleans ... ok
[INFO] [stdout] test lang::tinylang::tests::test_eval_downcast ... ok
[INFO] [stdout] test lang::tinylang::tests::test_parse_recursion ... ok
[INFO] [stdout] test lang::tinylang::tests::test_curry2 ... ok
[INFO] [stdout] test lang::tinylang::tests::test_lists ... ok
[INFO] [stderr]    Doc-tests litto
[INFO] [stdout] test lang::tinylang::tests::test_integers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lang/tinylang/parser.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lang/minilang/parser.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2042751781753996c3ac26c736dd2bf2a96025de563a7d3b6587904bfd5cfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2042751781753996c3ac26c736dd2bf2a96025de563a7d3b6587904bfd5cfda", kill_on_drop: false }`
[INFO] [stdout] f2042751781753996c3ac26c736dd2bf2a96025de563a7d3b6587904bfd5cfda