[INFO] updating cached repository https://github.com/AlmightyFloppyFish/leaf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/AlmightyFloppyFish/leaf
[INFO] [stderr]    3ec42fa..a13aaf4  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a13aaf495190b329a1f1e554e32ba97299fbf1ea
[INFO] checking AlmightyFloppyFish/leaf against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fleaf" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlmightyFloppyFish/leaf on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlmightyFloppyFish/leaf
[INFO] finished tweaking git repo https://github.com/AlmightyFloppyFish/leaf
[INFO] tweaked toml for git repo https://github.com/AlmightyFloppyFish/leaf written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AlmightyFloppyFish/leaf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fc6c2eaae827d92c0c0754a6ea8c55e6ae507380df8a569252a957d2506898a
[INFO] running `"docker" "start" "-a" "2fc6c2eaae827d92c0c0754a6ea8c55e6ae507380df8a569252a957d2506898a"`
[INFO] [stderr]     Checking leaf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parser/body/match.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{BodySource, Token};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FunctionBuilder`
[INFO] [stderr]  --> src/parser/irbuilder/checker.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::parser::{FunctionBuilder, Inlined, ParseError, ParseFault, RawToken, Token, Type};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/parser/irbuilder/checker.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RawToken`
[INFO] [stderr]  --> src/parser/irbuilder/fsource.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::parser::{FunctionBuilder, Parser, RawToken, Token, Type};
[INFO] [stderr]   |                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parser/body/match.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{BodySource, Token};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FunctionBuilder`
[INFO] [stderr]  --> src/parser/irbuilder/checker.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::parser::{FunctionBuilder, Inlined, ParseError, ParseFault, RawToken, Token, Type};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/parser/irbuilder/checker.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RawToken`
[INFO] [stderr]  --> src/parser/irbuilder/fsource.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::parser::{FunctionBuilder, Parser, RawToken, Token, Type};
[INFO] [stderr]   |                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]    --> src/parser.rs:174:63
[INFO] [stderr]     |
[INFO] [stderr] 174 | ...                   Some(RawToken::Identifier(single, anot)) => single,
[INFO] [stderr]     |                                                         ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 |         RawToken::Identifier(mut name, anot) => {
[INFO] [stderr]    |                                        ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:63:50
[INFO] [stderr]    |
[INFO] [stderr] 63 |             RawToken::Identifier(mut field_name, anot) => {
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:78:45
[INFO] [stderr]    |
[INFO] [stderr] 78 |             RawToken::Identifier(type_name, anot) => {
[INFO] [stderr]    |                                             ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/parser/irbuilder/lambda.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Lambda(n, _) => unimplemented!(),
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/interpreter/runner.rs:158:54
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   Capturable::ParentLambda(id) =...
[INFO] [stderr]     |                                                ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]    --> src/parser.rs:174:63
[INFO] [stderr]     |
[INFO] [stderr] 174 | ...                   Some(RawToken::Identifier(single, anot)) => single,
[INFO] [stderr]     |                                                         ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 |         RawToken::Identifier(mut name, anot) => {
[INFO] [stderr]    |                                        ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:63:50
[INFO] [stderr]    |
[INFO] [stderr] 63 |             RawToken::Identifier(mut field_name, anot) => {
[INFO] [stderr]    |                                                  ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `anot`
[INFO] [stderr]   --> src/parser/type.rs:78:45
[INFO] [stderr]    |
[INFO] [stderr] 78 |             RawToken::Identifier(type_name, anot) => {
[INFO] [stderr]    |                                             ^^^^ help: consider prefixing with an underscore: `_anot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/parser/irbuilder/lambda.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Lambda(n, _) => unimplemented!(),
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/interpreter/runner.rs:158:54
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   Capturable::ParentLambda(id) =...
[INFO] [stderr]     |                                                ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build`
[INFO] [stderr]  --> src/parser/body/match.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn build(_source: impl BodySource) -> Result<MatchExpr, ()> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build`
[INFO] [stderr]  --> src/parser/body/match.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn build(_source: impl BodySource) -> Result<MatchExpr, ()> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `"docker" "inspect" "2fc6c2eaae827d92c0c0754a6ea8c55e6ae507380df8a569252a957d2506898a"`
[INFO] running `"docker" "rm" "-f" "2fc6c2eaae827d92c0c0754a6ea8c55e6ae507380df8a569252a957d2506898a"`
[INFO] [stdout] 2fc6c2eaae827d92c0c0754a6ea8c55e6ae507380df8a569252a957d2506898a