[INFO] fetching crate eva 0.2.7...
[INFO] testing eva-0.2.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate eva 0.2.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate eva 0.2.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eva 0.2.7
[INFO] finished tweaking crates.io crate eva 0.2.7
[INFO] tweaked toml for crates.io crate eva 0.2.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate eva 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c65c0a7e6045070e40cccdcfe65afdf4206e00a9f3418262dda6f642be52f84
[INFO] running `Command { std: "docker" "start" "-a" "7c65c0a7e6045070e40cccdcfe65afdf4206e00a9f3418262dda6f642be52f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c65c0a7e6045070e40cccdcfe65afdf4206e00a9f3418262dda6f642be52f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c65c0a7e6045070e40cccdcfe65afdf4206e00a9f3418262dda6f642be52f84", kill_on_drop: false }`
[INFO] [stdout] 7c65c0a7e6045070e40cccdcfe65afdf4206e00a9f3418262dda6f642be52f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc97d54fba02353b7a4483e6a6f65a1cc9da6dc2eec4d6982a2edca1611c1661
[INFO] running `Command { std: "docker" "start" "-a" "bc97d54fba02353b7a4483e6a6f65a1cc9da6dc2eec4d6982a2edca1611c1661", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling eva v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "bc97d54fba02353b7a4483e6a6f65a1cc9da6dc2eec4d6982a2edca1611c1661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc97d54fba02353b7a4483e6a6f65a1cc9da6dc2eec4d6982a2edca1611c1661", kill_on_drop: false }`
[INFO] [stdout] bc97d54fba02353b7a4483e6a6f65a1cc9da6dc2eec4d6982a2edca1611c1661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8850fbf11c118d626f991e45da927c9f0b56adebd48a5b8464cbde0b328aa42
[INFO] running `Command { std: "docker" "start" "-a" "a8850fbf11c118d626f991e45da927c9f0b56adebd48a5b8464cbde0b328aa42", kill_on_drop: false }`
[INFO] [stderr]    Compiling eva v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:205:62
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let evaled = eval_math_expression("6*2 + 3 + 12 -3", 0f64).unwrap();
[INFO] [stdout]     |                                                              ^^^^
[INFO] [stdout]     |                                                              |
[INFO] [stdout]     |                                                              expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                              help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:210:63
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let evaled = eval_math_expression("sin(30) + tan(45", 0f64).unwrap();
[INFO] [stdout]     |                                                               ^^^^
[INFO] [stdout]     |                                                               |
[INFO] [stdout]     |                                                               expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                               help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:215:71
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let evaled = eval_math_expression("(((1 + 2 + 3) ^ 2 ) - 4)", 0f64).unwrap();
[INFO] [stdout]     |                                                                       ^^^^
[INFO] [stdout]     |                                                                       |
[INFO] [stdout]     |                                                                       expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                                       help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:220:70
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let evaled = eval_math_expression("1.2816 + 1 + 1.2816/1.2", 0f64).unwrap();
[INFO] [stdout]     |                                                                      ^^^^
[INFO] [stdout]     |                                                                      |
[INFO] [stdout]     |                                                                      expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                                      help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:225:69
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let evaled = eval_math_expression("deg(asin(1) + acos(1))", 0f64).unwrap();
[INFO] [stdout]     |                                                                     ^^^^
[INFO] [stdout]     |                                                                     |
[INFO] [stdout]     |                                                                     expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                                     help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:230:61
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let evaled = eval_math_expression("1 / (1 + e^-7)", 0f64).unwrap();
[INFO] [stdout]     |                                                             ^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                             help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:235:52
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let evaled = eval_math_expression("_ + 9", 9f64).unwrap();
[INFO] [stdout]     |                                                    ^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                    help: try using a variant of the expected enum: `Some(9f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:240:53
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let evaled = eval_math_expression("9 + _ ", 0f64).unwrap();
[INFO] [stdout]     |                                                     ^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     expected enum `Option`, found `f64`
[INFO] [stdout]     |                                                     help: try using a variant of the expected enum: `Some(0f64)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<f64>`
[INFO] [stdout]                found type `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eva`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a8850fbf11c118d626f991e45da927c9f0b56adebd48a5b8464cbde0b328aa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8850fbf11c118d626f991e45da927c9f0b56adebd48a5b8464cbde0b328aa42", kill_on_drop: false }`
[INFO] [stdout] a8850fbf11c118d626f991e45da927c9f0b56adebd48a5b8464cbde0b328aa42
