[INFO] cloning repository https://github.com/42mypark/ft_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42mypark/ft_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42mypark%2Fft_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42mypark%2Fft_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4265c2b323f80756316fdfcc63e9a1377cf257a3
[INFO] checking 42mypark/ft_rust against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42mypark%2Fft_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42mypark/ft_rust on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/42mypark/ft_rust
[INFO] finished tweaking git repo https://github.com/42mypark/ft_rust
[INFO] tweaked toml for git repo https://github.com/42mypark/ft_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/42mypark/ft_rust 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 218fd2c6c71ed1488fef1b481d8e0ae9c2f5e4f9e889d0598cb601a2ef02b1ba
[INFO] running `Command { std: "docker" "start" "-a" "218fd2c6c71ed1488fef1b481d8e0ae9c2f5e4f9e889d0598cb601a2ef02b1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218fd2c6c71ed1488fef1b481d8e0ae9c2f5e4f9e889d0598cb601a2ef02b1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218fd2c6c71ed1488fef1b481d8e0ae9c2f5e4f9e889d0598cb601a2ef02b1ba", kill_on_drop: false }`
[INFO] [stdout] 218fd2c6c71ed1488fef1b481d8e0ae9c2f5e4f9e889d0598cb601a2ef02b1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c59e1285d46973e6e0b739ee18f9e9d7b808d606dd646b642649cd9cfcf5fd
[INFO] running `Command { std: "docker" "start" "-a" "86c59e1285d46973e6e0b739ee18f9e9d7b808d606dd646b642649cd9cfcf5fd", 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 vec v0.1.0 (/opt/rustwide/workdir/vec)
[INFO] [stderr]     Checking option v0.1.0 (/opt/rustwide/workdir/option)
[INFO] [stdout] warning: unused import: `contructor::*`
[INFO] [stdout]  --> vec/src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use contructor::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `alloc` are never read
[INFO] [stdout]   --> vec/src/lib.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Vec<T, A = Global>
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     ptr: NonNull<T>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     alloc: A,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `contructor::*`
[INFO] [stdout]  --> vec/src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use contructor::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `alloc` are never read
[INFO] [stdout]   --> vec/src/lib.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Vec<T, A = Global>
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     ptr: NonNull<T>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     alloc: A,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] warning: variant `Some` is never constructed
[INFO] [stdout]  --> option/src/lib.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum RevOpt<T> {
[INFO] [stdout]   |      ------ variant in this enum
[INFO] [stdout] 8 |     None,
[INFO] [stdout] 9 |     Some(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RevOpt` 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: method `unwrap` is never used
[INFO] [stdout]   --> option/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> RevOpt<T> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 13 |     fn unwrap(self) -> T {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> app/src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::mem;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> app/src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::mem;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> app/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pinned_string = Pin::new(&mut string);
[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: variable does not need to be mutable
[INFO] [stdout]  --> app/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pinned_string = Pin::new(&mut string);
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "86c59e1285d46973e6e0b739ee18f9e9d7b808d606dd646b642649cd9cfcf5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c59e1285d46973e6e0b739ee18f9e9d7b808d606dd646b642649cd9cfcf5fd", kill_on_drop: false }`
[INFO] [stdout] 86c59e1285d46973e6e0b739ee18f9e9d7b808d606dd646b642649cd9cfcf5fd
