[INFO] cloning repository https://github.com/BrahmVanH/rust-fund-mod-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrahmVanH/rust-fund-mod-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahmVanH%2Frust-fund-mod-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahmVanH%2Frust-fund-mod-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7a3e15205f3b05b370682001554406214047898
[INFO] checking BrahmVanH/rust-fund-mod-3 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahmVanH%2Frust-fund-mod-3" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrahmVanH/rust-fund-mod-3 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/BrahmVanH/rust-fund-mod-3
[INFO] finished tweaking git repo https://github.com/BrahmVanH/rust-fund-mod-3
[INFO] tweaked toml for git repo https://github.com/BrahmVanH/rust-fund-mod-3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrahmVanH/rust-fund-mod-3 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] [stderr] warning: unused manifest key: alias
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 10133133a442ce3ff85429c0a6fc1ccb87a66b158d10b0d476ef06ae70f768c9
[INFO] running `Command { std: "docker" "start" "-a" "10133133a442ce3ff85429c0a6fc1ccb87a66b158d10b0d476ef06ae70f768c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10133133a442ce3ff85429c0a6fc1ccb87a66b158d10b0d476ef06ae70f768c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10133133a442ce3ff85429c0a6fc1ccb87a66b158d10b0d476ef06ae70f768c9", kill_on_drop: false }`
[INFO] [stdout] 10133133a442ce3ff85429c0a6fc1ccb87a66b158d10b0d476ef06ae70f768c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 672444333aff14dab7e02c2c2cf7ab94366ba04a2eaef4f053de6d3396039377
[INFO] running `Command { std: "docker" "start" "-a" "672444333aff14dab7e02c2c2cf7ab94366ba04a2eaef4f053de6d3396039377", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: alias
[INFO] [stderr]     Checking module-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `using_push` is never used
[INFO] [stdout]  --> src/bin/module-3/vector-elements.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn using_push(mut ns: Vec<i32>, n: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `using_extend` is never used
[INFO] [stdout]  --> src/bin/module-3/vector-elements.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn using_extend(mut ns: Vec<i32>, xs: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `using_append` is never used
[INFO] [stdout]   --> src/bin/module-3/vector-elements.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn using_append(mut ns: Vec<i32>, xs: &mut Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `using_insert` is never used
[INFO] [stdout]   --> src/bin/module-3/vector-elements.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn using_insert(mut ns: Vec<i32>, n: i32, i: usize) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `instert_beginning_and_end` is never used
[INFO] [stdout]   --> src/bin/module-3/vector-elements.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn instert_beginning_and_end(mut ns: Vec<i32>, n: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `append_vectors` is never used
[INFO] [stdout]   --> src/bin/module-3/vector-elements.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn append_vectors(mut vs: Vec<i32>, xs: &mut Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/bin/module-3/hash-maps.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HDD` is never constructed
[INFO] [stdout]  --> src/bin/module-3/enums.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum DiskType {
[INFO] [stdout]   |      -------- variant in this enum
[INFO] [stdout] 3 |   SSD,
[INFO] [stdout] 4 |   HDD
[INFO] [stdout]   |   ^^^
[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/module-3/enums.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   KB(u32),
[INFO] [stdout]    |   -- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskSize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 12 |   KB(()),
[INFO] [stdout]    |      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/bin/module-3/applied-enums.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_value`
[INFO] [stdout]   --> src/bin/module-3/vector-values.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let first_value = &numbers[1];
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/module-3/vector-elements.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut ns = vec!(4, 3, 2);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MB` and `GB` are never constructed
[INFO] [stdout]   --> src/bin/module-3/enums.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum DiskSize {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 12 |   KB(u32),
[INFO] [stdout] 13 |   MB(u32),
[INFO] [stdout]    |   ^^
[INFO] [stdout] 14 |   GB(u32)
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskSize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/module-3/vector-elements.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut vs = vec!(1, 2, 3, 4, 5);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_item` is never used
[INFO] [stdout]  --> src/bin/module-3/vector-values.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_item(index: usize, numbers: Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HDD` is never constructed
[INFO] [stdout]  --> src/bin/module-3/enums.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum DiskType {
[INFO] [stdout]   |      -------- variant in this enum
[INFO] [stdout] 3 |   SSD,
[INFO] [stdout] 4 |   HDD
[INFO] [stdout]   |   ^^^
[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/module-3/enums.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   KB(u32),
[INFO] [stdout]    |   -- ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskSize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 12 |   KB(()),
[INFO] [stdout]    |      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MB` and `GB` are never constructed
[INFO] [stdout]   --> src/bin/module-3/enums.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum DiskSize {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 12 |   KB(u32),
[INFO] [stdout] 13 |   MB(u32),
[INFO] [stdout]    |   ^^
[INFO] [stdout] 14 |   GB(u32)
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskSize` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_value`
[INFO] [stdout]   --> src/bin/module-3/vector-values.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let first_value = &numbers[1];
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/bin/module-3/vector-values.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let index = 4;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         _ => String::from("We're not familiar with that one, sorry"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         BeerTypes::Lager => String::from("Most popular"),
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] 31 |         BeerTypes::PaleAle => String::from("A little bitter"),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 32 |         BeerTypes::Pilsner => String::from("Classic"),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 33 |         BeerTypes::Stout => String::from("Like the name"),
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] 34 |         _ => String::from("We're not familiar with that one, sorry"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         _ => String::from("We're not familiar with that one, sorry"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         BeerTypes::Lager => String::from("Most popular"),
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] 31 |         BeerTypes::PaleAle => String::from("A little bitter"),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 32 |         BeerTypes::Pilsner => String::from("Classic"),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 33 |         BeerTypes::Stout => String::from("Like the name"),
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] 34 |         _ => String::from("We're not familiar with that one, sorry"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lager` and `PaleAle` are never constructed
[INFO] [stdout]  --> src/bin/module-3/enums-as-types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BeerTypes {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 4 |     Lager,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     PaleAle,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BeerTypes` 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: variants `Lager` and `PaleAle` are never constructed
[INFO] [stdout]  --> src/bin/module-3/enums-as-types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BeerTypes {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 4 |     Lager,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     PaleAle,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BeerTypes` 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: field `name` is never read
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Beer {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Beer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/module-3/enums-as-types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Beer {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Beer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/bin/module-3/applied-enums.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "672444333aff14dab7e02c2c2cf7ab94366ba04a2eaef4f053de6d3396039377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672444333aff14dab7e02c2c2cf7ab94366ba04a2eaef4f053de6d3396039377", kill_on_drop: false }`
[INFO] [stdout] 672444333aff14dab7e02c2c2cf7ab94366ba04a2eaef4f053de6d3396039377
