[INFO] cloning repository https://github.com/Webrowse/rustprac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Webrowse/rustprac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebrowse%2Frustprac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebrowse%2Frustprac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d939eb1ae4c65c31a00365948655fb6c889f4135
[INFO] checking Webrowse/rustprac/d939eb1ae4c65c31a00365948655fb6c889f4135 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebrowse%2Frustprac" "/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/Webrowse/rustprac on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Webrowse/rustprac
[INFO] finished tweaking git repo https://github.com/Webrowse/rustprac
[INFO] tweaked toml for git repo https://github.com/Webrowse/rustprac written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Webrowse/rustprac 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee713de05116cab706a677a645d10562cdf0ac15ce9d34ff988166c5b86a2a9
[INFO] running `Command { std: "docker" "start" "-a" "4ee713de05116cab706a677a645d10562cdf0ac15ce9d34ff988166c5b86a2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee713de05116cab706a677a645d10562cdf0ac15ce9d34ff988166c5b86a2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee713de05116cab706a677a645d10562cdf0ac15ce9d34ff988166c5b86a2a9", kill_on_drop: false }`
[INFO] [stdout] 4ee713de05116cab706a677a645d10562cdf0ac15ce9d34ff988166c5b86a2a9
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a466e8409c8410cb8603352f97544e6994ce5a3afe93f606415199b41c214005
[INFO] running `Command { std: "docker" "start" "-a" "a466e8409c8410cb8603352f97544e6994ce5a3afe93f606415199b41c214005", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking statement-expression v0.1.0 (/opt/rustwide/workdir/basicTypes_Numbers/statement-expression)
[INFO] [stderr]     Checking vectorCollection v0.1.0 (/opt/rustwide/workdir/collectionTypes/vectorCollection)
[INFO] [stderr]     Checking first_8 v0.1.0 (/opt/rustwide/workdir/first_8)
[INFO] [stderr]     Checking first_2 v0.1.0 (/opt/rustwide/workdir/first_2)
[INFO] [stderr]     Checking method v0.1.0 (/opt/rustwide/workdir/method)
[INFO] [stderr]     Checking advancedLifetime v0.1.0 (/opt/rustwide/workdir/lifetimeRust/advancedLifetime)
[INFO] [stderr]     Checking sstruct v0.1.0 (/opt/rustwide/workdir/component-types/sstruct)
[INFO] [stderr]     Checking Result v0.1.0 (/opt/rustwide/workdir/errorHandling/Result)
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/functionalProgramming/iterators)
[INFO] [stderr]     Checking basicLifetime v0.1.0 (/opt/rustwide/workdir/lifetimeRust/basicLifetime)
[INFO] [stderr]     Checking first_9 v0.1.0 (/opt/rustwide/workdir/first_9)
[INFO] [stdout] warning: variants `Red` and `Green` are never constructed
[INFO] [stdout]    --> method/src/main.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum TrafficLightColor {
[INFO] [stdout]     |      ----------------- variants in this enum
[INFO] [stdout] 127 |     Red,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 128 |     Yellow,
[INFO] [stdout] 129 |     Green,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrafficLightColor` 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] [stderr]     Checking first_4 v0.1.0 (/opt/rustwide/workdir/first_4)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slice v0.1.0 (/opt/rustwide/workdir/component-types/slice)
[INFO] [stderr]     Checking stringstype v0.1.0 (/opt/rustwide/workdir/collectionTypes/stringstype)
[INFO] [stderr]     Checking borrowing v0.1.0 (/opt/rustwide/workdir/borrowing)
[INFO] [stderr]     Checking traitObject v0.1.0 (/opt/rustwide/workdir/genericTraits/traitObject)
[INFO] [stdout] warning: static variable `i` should have an upper case name
[INFO] [stdout]    --> lifetimeRust/basicLifetime/src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 |     static i:i32 = 5;
[INFO] [stdout]     |            ^ help: convert the identifier to upper case (notice the capitalization): `I`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `__` on type `std::vec::IntoIter<Shoe>`
[INFO] [stdout]    --> functionalProgramming/iterators/src/main.rs:184:23
[INFO] [stdout]     |
[INFO] [stdout] 184 |     shoes.into_iter().__.collect()
[INFO] [stdout]     |                       ^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u2`
[INFO] [stdout]   --> component-types/sstruct/src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | let u2 = set_email(u1);
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking otherConversions v0.1.0 (/opt/rustwide/workdir/typeConversion/otherConversions)
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]   --> component-types/sstruct/src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait SomeTrait {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]   --> component-types/sstruct/src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Color(i32, i32, i64);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read
[INFO] [stdout]   --> component-types/sstruct/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 21 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     sign_in_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> component-types/sstruct/src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 28 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iterators` (bin "iterators") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]    --> borrowing/src/main.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn borrow_object(s2: &mut String) {}
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adarsh`
[INFO] [stdout]    --> borrowing/src/main.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn borrow_object1(adarsh: &String) {}
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_adarsh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a466e8409c8410cb8603352f97544e6994ce5a3afe93f606415199b41c214005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a466e8409c8410cb8603352f97544e6994ce5a3afe93f606415199b41c214005", kill_on_drop: false }`
[INFO] [stdout] a466e8409c8410cb8603352f97544e6994ce5a3afe93f606415199b41c214005