[INFO] updating cached repository rummolprod999/rust_generics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rummolprod999/rust_generics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/rust_generics" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/rummolprod999/rust_generics"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/rummolprod999/rust_generics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/rust_generics" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/rummolprod999/rust_generics"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/rummolprod999/rust_generics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8b176b1f85a90ade432385d8429cf05ed59c6a9
[INFO] sha for GitHub repo rummolprod999/rust_generics: b8b176b1f85a90ade432385d8429cf05ed59c6a9
[INFO] validating manifest of rummolprod999/rust_generics on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rummolprod999/rust_generics on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rummolprod999/rust_generics
[INFO] finished frobbing rummolprod999/rust_generics
[INFO] frobbed toml for rummolprod999/rust_generics written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/rummolprod999/rust_generics/Cargo.toml
[INFO] started frobbing rummolprod999/rust_generics
[INFO] finished frobbing rummolprod999/rust_generics
[INFO] frobbed toml for rummolprod999/rust_generics written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/rummolprod999/rust_generics/Cargo.toml
[INFO] crate rummolprod999/rust_generics already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rummolprod999/rust_generics against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/rummolprod999/rust_generics:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 34c721ad03847368f79f47e955266398647cf2bfefa0bea230d44e441ac2164d
[INFO] running `"docker" "start" "-a" "34c721ad03847368f79f47e955266398647cf2bfefa0bea230d44e441ac2164d"`
[INFO] [stderr]     Checking rust_generics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/main.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                     ^^^^^ help: consider prefixing with an underscore: `_graph`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:40:48
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                                ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:40:59
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                                           ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/main.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                                       ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:44:53
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> src/main.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stderr]    |                        ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]   --> src/main.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stderr]    |                                ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn edges(&self, n: &G) -> Vec<L> {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stderr]    |                          ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]   --> src/main.rs:31:34
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn i_edges(&self, n: &T) -> Vec<G> {
[INFO] [stderr]    |                       ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i_distance`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `distance`
[INFO] [stderr]   --> src/main.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/main.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                     ^^^^^ help: consider prefixing with an underscore: `_graph`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:40:48
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                                ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:40:59
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    |                                                           ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/main.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                                       ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:44:53
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> src/main.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stderr]    |                        ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]   --> src/main.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stderr]    |                                ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn edges(&self, n: &G) -> Vec<L> {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> src/main.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stderr]    |                          ^^ help: consider prefixing with an underscore: `_n1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]   --> src/main.rs:31:34
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn i_edges(&self, n: &T) -> Vec<G> {
[INFO] [stderr]    |                       ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i_distance`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `distance`
[INFO] [stderr]   --> src/main.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "34c721ad03847368f79f47e955266398647cf2bfefa0bea230d44e441ac2164d"`
[INFO] running `"docker" "rm" "-f" "34c721ad03847368f79f47e955266398647cf2bfefa0bea230d44e441ac2164d"`
[INFO] [stdout] 34c721ad03847368f79f47e955266398647cf2bfefa0bea230d44e441ac2164d