[INFO] cloning repository https://github.com/tqn/rslambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tqn/rslambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b76315a3f3dbd573bc83297e67b3444c32d538b
[INFO] checking tqn/rslambda against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tqn/rslambda
[INFO] finished tweaking git repo https://github.com/tqn/rslambda
[INFO] tweaked toml for git repo https://github.com/tqn/rslambda written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tqn/rslambda on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tqn/rslambda 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c
[INFO] running `Command { std: "docker" "start" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rslambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if let box Var(ident) = body {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if let box Abs(var, body) = func {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 if let box App(l, r) = b {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/lambda.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if let box Var(ident) = body {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if let box Abs(var, body) = func {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/lambda.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 if let box App(l, r) = b {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]   --> src/lambda.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut body = body;
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ident` in this scope
[INFO] [stdout]    --> src/lambda.rs:96:20
[INFO] [stdout]     |
[INFO] [stdout]  96 |                 if ident != f {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | pub struct Ident<T: Clone + Eq + Hash>(pub T, pub Option<usize>);
[INFO] [stdout]     | ----------------------------------------------------------------- similarly named tuple struct `Ident` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple struct with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout]  96 -                 if ident != f {
[INFO] [stdout]  96 +                 if Ident != f {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]    --> src/lambda.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 body = r;
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 body = r;
[INFO] [stdout] 102 +                 body = f;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ident` in this scope
[INFO] [stdout]    --> src/lambda.rs:107:20
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 if ident == x {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | pub struct Ident<T: Clone + Eq + Hash>(pub T, pub Option<usize>);
[INFO] [stdout]     | ----------------------------------------------------------------- similarly named tuple struct `Ident` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple struct with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 107 -                 if ident == x {
[INFO] [stdout] 107 +                 if Ident == x {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]    --> src/lambda.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 if ident == x {
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 107 -                 if ident == x {
[INFO] [stdout] 107 +                 if ident == f {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/lambda.rs:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     let mut reduced = body.as_ref().clone();
[INFO] [stdout]     |                                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `var` in this scope
[INFO] [stdout]    --> src/lambda.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout]  11 |     Var(Ident<T>),
[INFO] [stdout]     |     ------------- similarly named tuple variant `Var` defined here
[INFO] [stdout] ...
[INFO] [stdout] 126 |                     reduced.substitute(var, arg);
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple variant with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 126 -                     reduced.substitute(var, arg);
[INFO] [stdout] 126 +                     reduced.substitute(Var, arg);
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::env::var;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/lambda.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if *var == *v {
[INFO] [stdout]     |                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `l` in this scope
[INFO] [stdout]    --> src/lambda.rs:151:43
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         let mut reduced = l.as_ref().clone();
[INFO] [stdout]     |                                           ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `l` in this scope
[INFO] [stdout]    --> src/lambda.rs:193:50
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 193 -                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout] 193 +                     write!(f, r"(\{}.{} {})", v, b, r)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]    --> src/lambda.rs:193:53
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout]     |                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 193 -                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout] 193 +                     write!(f, r"(\{}.{} {})", v, l, b)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]   --> src/lambda.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut body = body;
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ident` in this scope
[INFO] [stdout]    --> src/lambda.rs:96:20
[INFO] [stdout]     |
[INFO] [stdout]  96 |                 if ident != f {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | pub struct Ident<T: Clone + Eq + Hash>(pub T, pub Option<usize>);
[INFO] [stdout]     | ----------------------------------------------------------------- similarly named tuple struct `Ident` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple struct with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout]  96 -                 if ident != f {
[INFO] [stdout]  96 +                 if Ident != f {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]    --> src/lambda.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 body = r;
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 body = r;
[INFO] [stdout] 102 +                 body = f;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ident` in this scope
[INFO] [stdout]    --> src/lambda.rs:107:20
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 if ident == x {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | pub struct Ident<T: Clone + Eq + Hash>(pub T, pub Option<usize>);
[INFO] [stdout]     | ----------------------------------------------------------------- similarly named tuple struct `Ident` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple struct with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 107 -                 if ident == x {
[INFO] [stdout] 107 +                 if Ident == x {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]    --> src/lambda.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 if ident == x {
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 107 -                 if ident == x {
[INFO] [stdout] 107 +                 if ident == f {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/lambda.rs:123:39
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     let mut reduced = body.as_ref().clone();
[INFO] [stdout]     |                                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `var` in this scope
[INFO] [stdout]    --> src/lambda.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout]  11 |     Var(Ident<T>),
[INFO] [stdout]     |     ------------- similarly named tuple variant `Var` defined here
[INFO] [stdout] ...
[INFO] [stdout] 126 |                     reduced.substitute(var, arg);
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple variant with a similar name exists (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 126 -                     reduced.substitute(var, arg);
[INFO] [stdout] 126 +                     reduced.substitute(Var, arg);
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::env::var;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/lambda.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if *var == *v {
[INFO] [stdout]     |                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `l` in this scope
[INFO] [stdout]    --> src/lambda.rs:151:43
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         let mut reduced = l.as_ref().clone();
[INFO] [stdout]     |                                           ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `l` in this scope
[INFO] [stdout]    --> src/lambda.rs:193:50
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 193 -                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout] 193 +                     write!(f, r"(\{}.{} {})", v, b, r)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]    --> src/lambda.rs:193:53
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout]     |                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 193 -                     write!(f, r"(\{}.{} {})", v, l, r)
[INFO] [stdout] 193 +                     write!(f, r"(\{}.{} {})", v, l, b)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lambda.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T> Exp<T>
[INFO] [stdout]    |      - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 96 |                 if ident != f {
[INFO] [stdout]    |                             ^ expected type parameter `T`, found `&Ident<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                    found reference `&lambda::Ident<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rslambda` (bin "rslambda") due to 21 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lambda.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T> Exp<T>
[INFO] [stdout]    |      - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 96 |                 if ident != f {
[INFO] [stdout]    |                             ^ expected type parameter `T`, found `&Ident<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                    found reference `&lambda::Ident<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rslambda` (bin "rslambda" test) due to 21 previous errors
[INFO] running `Command { std: "docker" "inspect" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c", kill_on_drop: false }`
[INFO] [stdout] 041dd7a1a75985557d40e6cd3f2434b21b687728ad18d574d63f09d9c333a74c
