[INFO] cloning repository https://github.com/kanales/tin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanales/tin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanales%2Ftin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanales%2Ftin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bb382832ed2635202368f8bb7b1402c0d18e70f
[INFO] checking kanales/tin against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanales%2Ftin" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanales/tin on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanales/tin
[INFO] finished tweaking git repo https://github.com/kanales/tin
[INFO] tweaked toml for git repo https://github.com/kanales/tin written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kanales/tin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce474622b56a35bf0ae1a48c140a65bd985fb19ad514c3905a9c388a5049bf51
[INFO] running `Command { std: "docker" "start" "-a" "ce474622b56a35bf0ae1a48c140a65bd985fb19ad514c3905a9c388a5049bf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce474622b56a35bf0ae1a48c140a65bd985fb19ad514c3905a9c388a5049bf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce474622b56a35bf0ae1a48c140a65bd985fb19ad514c3905a9c388a5049bf51", kill_on_drop: false }`
[INFO] [stdout] ce474622b56a35bf0ae1a48c140a65bd985fb19ad514c3905a9c388a5049bf51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429002135fa51655a037215fc8c1ada5757faef15253b006d52e78b6ef4745ad
[INFO] running `Command { std: "docker" "start" "-a" "429002135fa51655a037215fc8c1ada5757faef15253b006d52e78b6ef4745ad", kill_on_drop: false }`
[INFO] [stderr]     Checking persistent v0.1.0 (/opt/rustwide/workdir/persistent)
[INFO] [stderr]     Checking tin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Closure`
[INFO] [stdout]  --> src/lib/eval.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Closure, EnvironmentRef, Evaluable, Exp, Key, List, Macro, Map, Number, Proc, Symbol,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Atom` and `Map`
[INFO] [stdout]  --> src/lib/parser.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::types::{Atom, Exp, List, Map, Number, TinError, TinResult};
[INFO] [stdout]   |                         ^^^^             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atom`
[INFO] [stdout]  --> src/lib/types/map.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::types::{Atom, Exp, Number, TinError, TinResult};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x + y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x + y)),
[INFO] [stdout] 70 +             (Number::Int(x), Number::Int(y)) => Number::Int(x + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:71:53
[INFO] [stdout]    |
[INFO] [stdout] 71 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x + y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x + y)),
[INFO] [stdout] 71 +             (Number::Float(x), Number::Float(y)) => Number::Float(x + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x + y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x + y as f64)),
[INFO] [stdout] 72 +             (Number::Float(x), Number::Int(y)) => Number::Float(x + y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 + y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 + y)),
[INFO] [stdout] 73 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:83:49
[INFO] [stdout]    |
[INFO] [stdout] 83 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x - y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x - y)),
[INFO] [stdout] 83 +             (Number::Int(x), Number::Int(y)) => Number::Int(x - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:84:53
[INFO] [stdout]    |
[INFO] [stdout] 84 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x - y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x - y)),
[INFO] [stdout] 84 +             (Number::Float(x), Number::Float(y)) => Number::Float(x - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x - y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x - y as f64)),
[INFO] [stdout] 85 +             (Number::Float(x), Number::Int(y)) => Number::Float(x - y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 - y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 - y)),
[INFO] [stdout] 86 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:96:49
[INFO] [stdout]    |
[INFO] [stdout] 96 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x * y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x * y)),
[INFO] [stdout] 96 +             (Number::Int(x), Number::Int(y)) => Number::Int(x * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x * y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x * y)),
[INFO] [stdout] 97 +             (Number::Float(x), Number::Float(y)) => Number::Float(x * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:98:51
[INFO] [stdout]    |
[INFO] [stdout] 98 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x * y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x * y as f64)),
[INFO] [stdout] 98 +             (Number::Float(x), Number::Int(y)) => Number::Float(x * y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 * y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 * y)),
[INFO] [stdout] 99 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x / y)),
[INFO] [stdout]     |                                                 ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x / y)),
[INFO] [stdout] 109 +             (Number::Int(x), Number::Int(y)) => Number::Int(x / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Atom` and `Map`
[INFO] [stdout]  --> src/lib/parser.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::types::{Atom, Exp, List, Map, Number, TinError, TinResult};
[INFO] [stdout]   |                         ^^^^             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atom`
[INFO] [stdout]  --> src/lib/types/map.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::types::{Atom, Exp, Number, TinError, TinResult};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x + y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x + y)),
[INFO] [stdout] 70 +             (Number::Int(x), Number::Int(y)) => Number::Int(x + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:71:53
[INFO] [stdout]    |
[INFO] [stdout] 71 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x + y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x + y)),
[INFO] [stdout] 71 +             (Number::Float(x), Number::Float(y)) => Number::Float(x + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x + y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x + y as f64)),
[INFO] [stdout] 72 +             (Number::Float(x), Number::Int(y)) => Number::Float(x + y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 + y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 + y)),
[INFO] [stdout] 73 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 + y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:83:49
[INFO] [stdout]    |
[INFO] [stdout] 83 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x - y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x - y)),
[INFO] [stdout] 83 +             (Number::Int(x), Number::Int(y)) => Number::Int(x - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:84:53
[INFO] [stdout]    |
[INFO] [stdout] 84 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x - y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x - y)),
[INFO] [stdout] 84 +             (Number::Float(x), Number::Float(y)) => Number::Float(x - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x - y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x - y as f64)),
[INFO] [stdout] 85 +             (Number::Float(x), Number::Int(y)) => Number::Float(x - y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 - y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 - y)),
[INFO] [stdout] 86 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 - y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:96:49
[INFO] [stdout]    |
[INFO] [stdout] 96 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x * y)),
[INFO] [stdout]    |                                                 ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x * y)),
[INFO] [stdout] 96 +             (Number::Int(x), Number::Int(y)) => Number::Int(x * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x * y)),
[INFO] [stdout]    |                                                     ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x * y)),
[INFO] [stdout] 97 +             (Number::Float(x), Number::Float(y)) => Number::Float(x * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:98:51
[INFO] [stdout]    |
[INFO] [stdout] 98 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x * y as f64)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x * y as f64)),
[INFO] [stdout] 98 +             (Number::Float(x), Number::Int(y)) => Number::Float(x * y as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib/types/number.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 * y)),
[INFO] [stdout]    |                                                   ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 * y)),
[INFO] [stdout] 99 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 * y),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 |             (Number::Int(x), Number::Int(y)) => (Number::Int(x / y)),
[INFO] [stdout]     |                                                 ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -             (Number::Int(x), Number::Int(y)) => (Number::Int(x / y)),
[INFO] [stdout] 109 +             (Number::Int(x), Number::Int(y)) => Number::Int(x / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:110:53
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x / y)),
[INFO] [stdout]     |                                                     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x / y)),
[INFO] [stdout] 110 +             (Number::Float(x), Number::Float(y)) => Number::Float(x / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:111:51
[INFO] [stdout]     |
[INFO] [stdout] 111 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x / y as f64)),
[INFO] [stdout]     |                                                   ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 111 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x / y as f64)),
[INFO] [stdout] 111 +             (Number::Float(x), Number::Int(y)) => Number::Float(x / y as f64),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:112:51
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 / y)),
[INFO] [stdout]     |                                                   ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 / y)),
[INFO] [stdout] 112 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:110:53
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (Number::Float(x), Number::Float(y)) => (Number::Float(x / y)),
[INFO] [stdout]     |                                                     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -             (Number::Float(x), Number::Float(y)) => (Number::Float(x / y)),
[INFO] [stdout] 110 +             (Number::Float(x), Number::Float(y)) => Number::Float(x / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:111:51
[INFO] [stdout]     |
[INFO] [stdout] 111 |             (Number::Float(x), Number::Int(y)) => (Number::Float(x / y as f64)),
[INFO] [stdout]     |                                                   ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 111 -             (Number::Float(x), Number::Int(y)) => (Number::Float(x / y as f64)),
[INFO] [stdout] 111 +             (Number::Float(x), Number::Int(y)) => Number::Float(x / y as f64),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib/types/number.rs:112:51
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 / y)),
[INFO] [stdout]     |                                                   ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             (Number::Int(x), Number::Float(y)) => (Number::Float(x as f64 / y)),
[INFO] [stdout] 112 +             (Number::Int(x), Number::Float(y)) => Number::Float(x as f64 / y),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]    --> src/lib/parser.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let prog = "(begin (define r 10) (* pi (* r r)))";
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/lib/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Tin {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eval(&mut self, e: Exp) -> TinResult<Exp> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_arity` is never used
[INFO] [stdout]  --> src/lib/procs.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn ensure_arity<T>(want: usize, args: &[T]) -> TinResult<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Expect` is never used
[INFO] [stdout]   --> src/lib/types/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Expect = String;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Char` is never constructed
[INFO] [stdout]  --> src/lib/types/atom.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Atom {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Char(char),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Atom` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/lib/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Tin {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eval(&mut self, e: Exp) -> TinResult<Exp> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_arity` is never used
[INFO] [stdout]  --> src/lib/procs.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn ensure_arity<T>(want: usize, args: &[T]) -> TinResult<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Expect` is never used
[INFO] [stdout]   --> src/lib/types/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Expect = String;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Char` is never constructed
[INFO] [stdout]  --> src/lib/types/atom.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Atom {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Char(char),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Atom` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "429002135fa51655a037215fc8c1ada5757faef15253b006d52e78b6ef4745ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429002135fa51655a037215fc8c1ada5757faef15253b006d52e78b6ef4745ad", kill_on_drop: false }`
[INFO] [stdout] 429002135fa51655a037215fc8c1ada5757faef15253b006d52e78b6ef4745ad