[INFO] cloning repository https://github.com/viccg93/generics_traits_lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viccg93/generics_traits_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviccg93%2Fgenerics_traits_lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviccg93%2Fgenerics_traits_lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c790ef280e7f34ecd4e4abb7f73d3cd24d72399
[INFO] checking viccg93/generics_traits_lifetimes against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviccg93%2Fgenerics_traits_lifetimes" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/viccg93/generics_traits_lifetimes
[INFO] finished tweaking git repo https://github.com/viccg93/generics_traits_lifetimes
[INFO] tweaked toml for git repo https://github.com/viccg93/generics_traits_lifetimes written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viccg93/generics_traits_lifetimes on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viccg93/generics_traits_lifetimes 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4889d9b9c0730a2f2100bd5321f06f2367b18a064c247fae04385b6ced8be4e2
[INFO] running `Command { std: "docker" "start" "-a" "4889d9b9c0730a2f2100bd5321f06f2367b18a064c247fae04385b6ced8be4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4889d9b9c0730a2f2100bd5321f06f2367b18a064c247fae04385b6ced8be4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4889d9b9c0730a2f2100bd5321f06f2367b18a064c247fae04385b6ced8be4e2", kill_on_drop: false }`
[INFO] [stdout] 4889d9b9c0730a2f2100bd5321f06f2367b18a064c247fae04385b6ced8be4e2
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d74ad69b47a341510f3d02e67f434a6889f3410c49461be6eba6fc7ea8ea4456
[INFO] running `Command { std: "docker" "start" "-a" "d74ad69b47a341510f3d02e67f434a6889f3410c49461be6eba6fc7ea8ea4456", kill_on_drop: false }`
[INFO] [stderr]     Checking generics_traits_lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/generics.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let result = get_largest(&vec);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/generics.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let p1 = Point {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/generics.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let p2 = Point {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_3d`
[INFO] [stdout]    --> src/generics.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let point_3d = Point3d {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_largest_integer` is never used
[INFO] [stdout]  --> src/generics.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_largest_integer (list: &[u32]) -> &u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_largest_char` is never used
[INFO] [stdout]   --> src/generics.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn get_largest_char (list: &[char]) -> &char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/generics.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> src/generics.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum Result<T,E> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]   --> src/generics.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Point3d<T> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     z:T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generics.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl <T> Point3d <T> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 81 |     fn x(&self) -> &T {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/generics.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let result = get_largest(&vec);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/generics.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let p1 = Point {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/generics.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let p2 = Point {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_3d`
[INFO] [stdout]    --> src/generics.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let point_3d = Point3d {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_largest_integer` is never used
[INFO] [stdout]  --> src/generics.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_largest_integer (list: &[u32]) -> &u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_largest_char` is never used
[INFO] [stdout]   --> src/generics.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn get_largest_char (list: &[char]) -> &char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/generics.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> src/generics.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum Result<T,E> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]   --> src/generics.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Point3d<T> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     z:T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generics.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl <T> Point3d <T> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 81 |     fn x(&self) -> &T {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d74ad69b47a341510f3d02e67f434a6889f3410c49461be6eba6fc7ea8ea4456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74ad69b47a341510f3d02e67f434a6889f3410c49461be6eba6fc7ea8ea4456", kill_on_drop: false }`
[INFO] [stdout] d74ad69b47a341510f3d02e67f434a6889f3410c49461be6eba6fc7ea8ea4456
