[INFO] cloning repository https://github.com/rummolprod999/rust_generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rummolprod999/rust_generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics/refs/tags: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/rummolprod999/rust_generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rummolprod999/rust_generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/rummolprod999/rust_generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rummolprod999/rust_generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8b176b1f85a90ade432385d8429cf05ed59c6a9
[INFO] testing rummolprod999/rust_generics against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_generics" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rummolprod999/rust_generics on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rummolprod999/rust_generics
[INFO] finished tweaking git repo https://github.com/rummolprod999/rust_generics
[INFO] tweaked toml for git repo https://github.com/rummolprod999/rust_generics written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rummolprod999/rust_generics 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f455d778103af6e477487495c1b6e61676a4269c0c5528da4575b54e55fde4f6
[INFO] running `Command { std: "docker" "start" "-a" "f455d778103af6e477487495c1b6e61676a4269c0c5528da4575b54e55fde4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f455d778103af6e477487495c1b6e61676a4269c0c5528da4575b54e55fde4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f455d778103af6e477487495c1b6e61676a4269c0c5528da4575b54e55fde4f6", kill_on_drop: false }`
[INFO] [stdout] f455d778103af6e477487495c1b6e61676a4269c0c5528da4575b54e55fde4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa6717c5681f89f8e7ad6f3908369d3fe5fb66dc323c0c1bc727822670f20a5
[INFO] running `Command { std: "docker" "start" "-a" "aaa6717c5681f89f8e7ad6f3908369d3fe5fb66dc323c0c1bc727822670f20a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn edges(&self, n: &G) -> Vec<L> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn i_edges(&self, n: &T) -> Vec<G> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:40:59
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/main.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:44:53
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `i_edges` is never used
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Graph<N, E> {
[INFO] [stdout]   |       ----- method in this trait
[INFO] [stdout] 2 |     fn i_has_edge(&self, _: &N, _: &N) -> bool;
[INFO] [stdout] 3 |     fn i_edges(&self, _: &N) -> Vec<E>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `edges` is never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | trait GraphAssoc {
[INFO] [stdout]    |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn edges(&self, _: &Self::N) -> Vec<Self::E>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `i_distance` is never used
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "aaa6717c5681f89f8e7ad6f3908369d3fe5fb66dc323c0c1bc727822670f20a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa6717c5681f89f8e7ad6f3908369d3fe5fb66dc323c0c1bc727822670f20a5", kill_on_drop: false }`
[INFO] [stdout] aaa6717c5681f89f8e7ad6f3908369d3fe5fb66dc323c0c1bc727822670f20a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba34a0351abbb305bb71e76f49a81f15b05cb820c524bda66f94f11cbc057f0
[INFO] running `Command { std: "docker" "start" "-a" "aba34a0351abbb305bb71e76f49a81f15b05cb820c524bda66f94f11cbc057f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn has_edge(&self, n1: &G, n2: &G) -> bool {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn edges(&self, n: &G) -> Vec<L> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn i_has_edge(&self, n1: &T, n2: &T) -> bool {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn i_edges(&self, n: &T) -> Vec<G> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:40:59
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/main.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:44:53
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `i_edges` is never used
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Graph<N, E> {
[INFO] [stdout]   |       ----- method in this trait
[INFO] [stdout] 2 |     fn i_has_edge(&self, _: &N, _: &N) -> bool;
[INFO] [stdout] 3 |     fn i_edges(&self, _: &N) -> Vec<E>;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `edges` is never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | trait GraphAssoc {
[INFO] [stdout]    |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn edges(&self, _: &Self::N) -> Vec<Self::E>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `i_distance` is never used
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn i_distance<N, E, G: Graph<N, E>>(graph: &G, start: &N, end: &N) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn distance<G: GraphAssoc>(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 }
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "aba34a0351abbb305bb71e76f49a81f15b05cb820c524bda66f94f11cbc057f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba34a0351abbb305bb71e76f49a81f15b05cb820c524bda66f94f11cbc057f0", kill_on_drop: false }`
[INFO] [stdout] aba34a0351abbb305bb71e76f49a81f15b05cb820c524bda66f94f11cbc057f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fd6d99b372f3e725aac94bf36233bfef695f4d87c4e772c5452622ee1f0f493
[INFO] running `Command { std: "docker" "start" "-a" "4fd6d99b372f3e725aac94bf36233bfef695f4d87c4e772c5452622ee1f0f493", kill_on_drop: false }`
[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: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_n`
[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: if this is intentional, prefix it with an underscore: `_graph`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: method `i_edges` is never used
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Graph<N, E> {
[INFO] [stderr]   |       ----- method in this trait
[INFO] [stderr] 2 |     fn i_has_edge(&self, _: &N, _: &N) -> bool;
[INFO] [stderr] 3 |     fn i_edges(&self, _: &N) -> Vec<E>;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `edges` is never used
[INFO] [stderr]   --> src/main.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | trait GraphAssoc {
[INFO] [stderr]    |       ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn edges(&self, _: &Self::N) -> Vec<Self::E>;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `i_distance` is never used
[INFO] [stderr]   --> src/main.rs:40:4
[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] warning: function `distance` is never used
[INFO] [stderr]   --> src/main.rs:44:4
[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: `rust_generics` (bin "rust_generics" test) generated 16 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_generics-5c8b4b98817ac9f4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fd6d99b372f3e725aac94bf36233bfef695f4d87c4e772c5452622ee1f0f493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd6d99b372f3e725aac94bf36233bfef695f4d87c4e772c5452622ee1f0f493", kill_on_drop: false }`
[INFO] [stdout] 4fd6d99b372f3e725aac94bf36233bfef695f4d87c4e772c5452622ee1f0f493