[INFO] cloning repository https://github.com/Bananamannl/rust_v1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bananamannl/rust_v1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBananamannl%2Frust_v1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBananamannl%2Frust_v1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2be82d3d004c250e0fe8290b14b566dc3dba827
[INFO] checking Bananamannl/rust_v1 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBananamannl%2Frust_v1" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bananamannl/rust_v1 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bananamannl/rust_v1
[INFO] finished tweaking git repo https://github.com/Bananamannl/rust_v1
[INFO] tweaked toml for git repo https://github.com/Bananamannl/rust_v1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bananamannl/rust_v1 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8ea2efa1399e33e9e8c268a43bd119f034d81dbaec9c38ea6c02e3b860d3ca
[INFO] running `Command { std: "docker" "start" "-a" "ca8ea2efa1399e33e9e8c268a43bd119f034d81dbaec9c38ea6c02e3b860d3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8ea2efa1399e33e9e8c268a43bd119f034d81dbaec9c38ea6c02e3b860d3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8ea2efa1399e33e9e8c268a43bd119f034d81dbaec9c38ea6c02e3b860d3ca", kill_on_drop: false }`
[INFO] [stdout] ca8ea2efa1399e33e9e8c268a43bd119f034d81dbaec9c38ea6c02e3b860d3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4319265697f8430af6d50549fa10be5af996ac84676781c9501671c2fba402f0
[INFO] running `Command { std: "docker" "start" "-a" "4319265697f8430af6d50549fa10be5af996ac84676781c9501671c2fba402f0", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Triangle`, `Square`, and `Octagon` are never constructed
[INFO] [stdout]  --> src/bin/assignment_4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Shape {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Triangle,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     Square,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Pentagon,
[INFO] [stdout] 6 |     Octagon,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Triangle`, `Square`, and `Octagon` are never constructed
[INFO] [stdout]  --> src/bin/assignment_4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Shape {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Triangle,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     Square,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Pentagon,
[INFO] [stdout] 6 |     Octagon,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/bin/enums.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let home = IpAddrKind::V4(String::from("127.0.0.1"));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopack`
[INFO] [stdout]   --> src/bin/enums.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let loopack = IpAddr {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_number`
[INFO] [stdout]   --> src/bin/enums.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let some_number = Some(5);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_string`
[INFO] [stdout]   --> src/bin/enums.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let some_string = Some("A string");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nothing`
[INFO] [stdout]   --> src/bin/enums.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let nothing: Option<i32> = None; //Option<T>, let x = 5 == i32
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nothing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/enums.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let x: i32 = 5;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/enums.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let y: Option<i32> = Some(5);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cat` and `Fish` are never constructed
[INFO] [stdout]  --> src/bin/enums.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Pet {Dog, Cat, Fish}
[INFO] [stdout]   |      ---       ^^^  ^^^^
[INFO] [stdout]   |      |
[INFO] [stdout]   |      variants in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enums.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> src/bin/enums.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 19 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/bin/enums.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let home = IpAddrKind::V4(String::from("127.0.0.1"));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopack`
[INFO] [stdout]   --> src/bin/enums.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let loopack = IpAddr {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_number`
[INFO] [stdout]   --> src/bin/enums.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let some_number = Some(5);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_string`
[INFO] [stdout]   --> src/bin/enums.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let some_string = Some("A string");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nothing`
[INFO] [stdout]   --> src/bin/enums.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let nothing: Option<i32> = None; //Option<T>, let x = 5 == i32
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nothing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/enums.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let x: i32 = 5;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/enums.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let y: Option<i32> = Some(5);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cat` and `Fish` are never constructed
[INFO] [stdout]  --> src/bin/enums.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Pet {Dog, Cat, Fish}
[INFO] [stdout]   |      ---       ^^^  ^^^^
[INFO] [stdout]   |      |
[INFO] [stdout]   |      variants in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enums.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> src/bin/enums.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 19 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "4319265697f8430af6d50549fa10be5af996ac84676781c9501671c2fba402f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4319265697f8430af6d50549fa10be5af996ac84676781c9501671c2fba402f0", kill_on_drop: false }`
[INFO] [stdout] 4319265697f8430af6d50549fa10be5af996ac84676781c9501671c2fba402f0
