[INFO] cloning repository https://github.com/blakehawkins/compilethyme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakehawkins/compilethyme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fcompilethyme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fcompilethyme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dc1dbd6a20733aabc1f48dbbc5744f651a79d9e
[INFO] checking blakehawkins/compilethyme against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fcompilethyme" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakehawkins/compilethyme on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakehawkins/compilethyme
[INFO] finished tweaking git repo https://github.com/blakehawkins/compilethyme
[INFO] tweaked toml for git repo https://github.com/blakehawkins/compilethyme written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/blakehawkins/compilethyme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded strsim v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 485cf356a6f1ec7a1d6b40193ee8267a805e1fd7f7d3109963d56d0c9db4ccb6
[INFO] running `Command { std: "docker" "start" "-a" "485cf356a6f1ec7a1d6b40193ee8267a805e1fd7f7d3109963d56d0c9db4ccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "485cf356a6f1ec7a1d6b40193ee8267a805e1fd7f7d3109963d56d0c9db4ccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485cf356a6f1ec7a1d6b40193ee8267a805e1fd7f7d3109963d56d0c9db4ccb6", kill_on_drop: false }`
[INFO] [stdout] 485cf356a6f1ec7a1d6b40193ee8267a805e1fd7f7d3109963d56d0c9db4ccb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29df6ae83f543879df5b23aef490769c0f689b7d530ae7b4a595ca0864fdba05
[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" "29df6ae83f543879df5b23aef490769c0f689b7d530ae7b4a595ca0864fdba05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling strsim v0.9.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling compilethyme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator1.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 -     (__0)
[INFO] [stdout] 514 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 -     (__0)
[INFO] [stdout] 514 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:525:5
[INFO] [stdout]     |
[INFO] [stdout] 525 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 525 -     (__0)
[INFO] [stdout] 525 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 538 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 538 -     (__0)
[INFO] [stdout] 538 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/emoji.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/emoji.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 500 -     (__0)
[INFO] [stdout] 500 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:556:5
[INFO] [stdout]     |
[INFO] [stdout] 556 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 556 -     (__0)
[INFO] [stdout] 556 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:567:5
[INFO] [stdout]     |
[INFO] [stdout] 567 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 567 -     (__0)
[INFO] [stdout] 567 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:580:5
[INFO] [stdout]     |
[INFO] [stdout] 580 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 580 -     (__0)
[INFO] [stdout] 580 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:782:5
[INFO] [stdout]     |
[INFO] [stdout] 782 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 782 -     (__0)
[INFO] [stdout] 782 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 819 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 819 -     (__0)
[INFO] [stdout] 819 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 856 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 856 -     (__0)
[INFO] [stdout] 856 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 867 -     (__0)
[INFO] [stdout] 867 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:880:5
[INFO] [stdout]     |
[INFO] [stdout] 880 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 880 -     (__0)
[INFO] [stdout] 880 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ast::{Op, Expr, Term, Type};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:1728:5
[INFO] [stdout]      |
[INFO] [stdout] 1728 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1728 -     (__0)
[INFO] [stdout] 1728 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:1739:5
[INFO] [stdout]      |
[INFO] [stdout] 1739 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1739 -     (__0)
[INFO] [stdout] 1739 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate structopt;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator1.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 -     (__0)
[INFO] [stdout] 514 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 -     (__0)
[INFO] [stdout] 514 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:525:5
[INFO] [stdout]     |
[INFO] [stdout] 525 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 525 -     (__0)
[INFO] [stdout] 525 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator2.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 538 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 538 -     (__0)
[INFO] [stdout] 538 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/emoji.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/emoji.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 500 -     (__0)
[INFO] [stdout] 500 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:556:5
[INFO] [stdout]     |
[INFO] [stdout] 556 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 556 -     (__0)
[INFO] [stdout] 556 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:567:5
[INFO] [stdout]     |
[INFO] [stdout] 567 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 567 -     (__0)
[INFO] [stdout] 567 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/identifier.rs:580:5
[INFO] [stdout]     |
[INFO] [stdout] 580 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 580 -     (__0)
[INFO] [stdout] 580 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:782:5
[INFO] [stdout]     |
[INFO] [stdout] 782 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 782 -     (__0)
[INFO] [stdout] 782 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 819 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 819 -     (__0)
[INFO] [stdout] 819 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 856 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 856 -     (__0)
[INFO] [stdout] 856 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 867 -     (__0)
[INFO] [stdout] 867 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/calculator3.rs:880:5
[INFO] [stdout]     |
[INFO] [stdout] 880 |     (__0)
[INFO] [stdout]     |     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 880 -     (__0)
[INFO] [stdout] 880 +     __0
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ast::{Op, Expr, Term, Type};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:1728:5
[INFO] [stdout]      |
[INFO] [stdout] 1728 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1728 -     (__0)
[INFO] [stdout] 1728 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/compilethyme-1bd11e9b9f6930c6/out/ast_parser.rs:1739:5
[INFO] [stdout]      |
[INFO] [stdout] 1739 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1739 -     (__0)
[INFO] [stdout] 1739 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use] extern crate structopt;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         _ => Err(ThymeError::TypeCheckerError())?
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         _ => Err(ThymeError::NotImplemented())?
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         _ => Err(ThymeError::TypeCheckerError())?
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         _ => Err(ThymeError::NotImplemented())?
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "29df6ae83f543879df5b23aef490769c0f689b7d530ae7b4a595ca0864fdba05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29df6ae83f543879df5b23aef490769c0f689b7d530ae7b4a595ca0864fdba05", kill_on_drop: false }`
[INFO] [stdout] 29df6ae83f543879df5b23aef490769c0f689b7d530ae7b4a595ca0864fdba05