[INFO] cloning repository https://github.com/kalil-pelissier/grinch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalil-pelissier/grinch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalil-pelissier%2Fgrinch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalil-pelissier%2Fgrinch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5915edca51d4f69247c0ddd9f8f084819cd33345
[INFO] checking kalil-pelissier/grinch against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalil-pelissier%2Fgrinch" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kalil-pelissier/grinch on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kalil-pelissier/grinch
[INFO] finished tweaking git repo https://github.com/kalil-pelissier/grinch
[INFO] tweaked toml for git repo https://github.com/kalil-pelissier/grinch written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kalil-pelissier/grinch 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe2bdf305e8a37d1e7db767ecbed9555ab6fb617c465157b21bbcf33b209dad4
[INFO] running `Command { std: "docker" "start" "-a" "fe2bdf305e8a37d1e7db767ecbed9555ab6fb617c465157b21bbcf33b209dad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe2bdf305e8a37d1e7db767ecbed9555ab6fb617c465157b21bbcf33b209dad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2bdf305e8a37d1e7db767ecbed9555ab6fb617c465157b21bbcf33b209dad4", kill_on_drop: false }`
[INFO] [stdout] fe2bdf305e8a37d1e7db767ecbed9555ab6fb617c465157b21bbcf33b209dad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699969279de2d2ff689d8faddb820bc04468c4ed04a9e172bbcf3ed72926b63d
[INFO] running `Command { std: "docker" "start" "-a" "699969279de2d2ff689d8faddb820bc04468c4ed04a9e172bbcf3ed72926b63d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking uuid v1.2.2
[INFO] [stderr]     Checking grinch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `graph::vertex::Vertex`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use graph::vertex::Vertex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph::vertex::Vertex`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use graph::vertex::Vertex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `edges` is never read
[INFO] [stdout]   --> src/graph/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Graph {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 9  |     verticies: Vec<Vertex>,
[INFO] [stdout] 10 |     edges: Vec<Edge>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_e`, `V`, and `E` are never used
[INFO] [stdout]   --> src/graph/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Graph {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_e(&mut self, label: &str) -> Option<&mut Edge> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn V(self) -> Vec<Vertex> {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn E(self) -> Vec<Edge> {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `label`, `from`, and `to` are never read
[INFO] [stdout]  --> src/graph/edge.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Edge {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 5 |     id: Uuid,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     label: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     from: Uuid,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     to: Uuid,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` 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: associated items `new`, `from`, and `to` are never used
[INFO] [stdout]   --> src/graph/edge.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Edge {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(label: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn from(mut self, id: Uuid) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn to(mut self, id: Uuid) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `properties` are never read
[INFO] [stdout]  --> src/graph/vertex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Vertex {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     pub id: Uuid,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     properties: HashMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vertex` 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 `property` is never used
[INFO] [stdout]   --> src/graph/vertex.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Vertex {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn property(mut self, k: &str, v: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `V` should have a snake case name
[INFO] [stdout]   --> src/graph/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn V(self) -> Vec<Vertex> {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `E` should have a snake case name
[INFO] [stdout]   --> src/graph/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn E(self) -> Vec<Edge> {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `edges` is never read
[INFO] [stdout]   --> src/graph/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Graph {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 9  |     verticies: Vec<Vertex>,
[INFO] [stdout] 10 |     edges: Vec<Edge>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_e`, `V`, and `E` are never used
[INFO] [stdout]   --> src/graph/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Graph {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_e(&mut self, label: &str) -> Option<&mut Edge> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn V(self) -> Vec<Vertex> {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn E(self) -> Vec<Edge> {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `label`, `from`, and `to` are never read
[INFO] [stdout]  --> src/graph/edge.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Edge {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 5 |     id: Uuid,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     label: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     from: Uuid,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     to: Uuid,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` 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: associated items `new`, `from`, and `to` are never used
[INFO] [stdout]   --> src/graph/edge.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Edge {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(label: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn from(mut self, id: Uuid) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn to(mut self, id: Uuid) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `properties` are never read
[INFO] [stdout]  --> src/graph/vertex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Vertex {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     pub id: Uuid,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     properties: HashMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vertex` 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 `property` is never used
[INFO] [stdout]   --> src/graph/vertex.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Vertex {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn property(mut self, k: &str, v: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `V` should have a snake case name
[INFO] [stdout]   --> src/graph/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn V(self) -> Vec<Vertex> {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `E` should have a snake case name
[INFO] [stdout]   --> src/graph/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn E(self) -> Vec<Edge> {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "699969279de2d2ff689d8faddb820bc04468c4ed04a9e172bbcf3ed72926b63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699969279de2d2ff689d8faddb820bc04468c4ed04a9e172bbcf3ed72926b63d", kill_on_drop: false }`
[INFO] [stdout] 699969279de2d2ff689d8faddb820bc04468c4ed04a9e172bbcf3ed72926b63d