[INFO] cloning repository https://github.com/zegabgab/linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zegabgab/linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzegabgab%2Flinked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzegabgab%2Flinked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7298efb00f4577f693385991024050bef52b750d
[INFO] testing zegabgab/linked-list against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzegabgab%2Flinked-list" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zegabgab/linked-list
[INFO] finished tweaking git repo https://github.com/zegabgab/linked-list
[INFO] tweaked toml for git repo https://github.com/zegabgab/linked-list written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zegabgab/linked-list on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zegabgab/linked-list 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 189890b8746d10ae43be9c5f9581ef28facdea2b5ac2da9f2b8713e015236007
[INFO] running `Command { std: "docker" "start" "-a" "189890b8746d10ae43be9c5f9581ef28facdea2b5ac2da9f2b8713e015236007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189890b8746d10ae43be9c5f9581ef28facdea2b5ac2da9f2b8713e015236007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189890b8746d10ae43be9c5f9581ef28facdea2b5ac2da9f2b8713e015236007", kill_on_drop: false }`
[INFO] [stdout] 189890b8746d10ae43be9c5f9581ef28facdea2b5ac2da9f2b8713e015236007
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 888de9a6c4d5947da021f9451c62e400cab4950566992ad3bacfe80e2fc0be07
[INFO] running `Command { std: "docker" "start" "-a" "888de9a6c4d5947da021f9451c62e400cab4950566992ad3bacfe80e2fc0be07", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/singly_linked_list.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_iter<T: IntoIterator<Item = A>>(iter: T) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "888de9a6c4d5947da021f9451c62e400cab4950566992ad3bacfe80e2fc0be07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888de9a6c4d5947da021f9451c62e400cab4950566992ad3bacfe80e2fc0be07", kill_on_drop: false }`
[INFO] [stdout] 888de9a6c4d5947da021f9451c62e400cab4950566992ad3bacfe80e2fc0be07
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44f5f1a2bddfa50b4bcf99f1463552e1e3a5177497de345ee278e55d993726ac
[INFO] running `Command { std: "docker" "start" "-a" "44f5f1a2bddfa50b4bcf99f1463552e1e3a5177497de345ee278e55d993726ac", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/singly_linked_list.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_iter<T: IntoIterator<Item = A>>(iter: T) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/singly_linked_list.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_iter<T: IntoIterator<Item = A>>(iter: T) -> Self {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "44f5f1a2bddfa50b4bcf99f1463552e1e3a5177497de345ee278e55d993726ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f5f1a2bddfa50b4bcf99f1463552e1e3a5177497de345ee278e55d993726ac", kill_on_drop: false }`
[INFO] [stdout] 44f5f1a2bddfa50b4bcf99f1463552e1e3a5177497de345ee278e55d993726ac
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 233c2b7f1882c2becfaabf92b56bb99a6fa14c49b7d8cc8ed266fccec40ecba3
[INFO] running `Command { std: "docker" "start" "-a" "233c2b7f1882c2becfaabf92b56bb99a6fa14c49b7d8cc8ed266fccec40ecba3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `iter`
[INFO] [stdout] 
[INFO] [stderr]   --> src/singly_linked_list.rs:30:45
[INFO] [stdout] running 2 tests
[INFO] [stderr]    |
[INFO] [stdout] test singly_linked_list::tests::out_of_bounds ... ok
[INFO] [stderr] 30 |     fn from_iter<T: IntoIterator<Item = A>>(iter: T) -> Self {
[INFO] [stdout] test singly_linked_list::tests::sixty_nine ... ok
[INFO] [stderr]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `linked_list` (lib) generated 1 warning (run `cargo fix --lib -p linked_list` to apply 1 suggestion)
[INFO] [stderr] warning: `linked_list` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linked_list-d5bcaa208df8d096)
[INFO] [stderr]    Doc-tests linked_list
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "233c2b7f1882c2becfaabf92b56bb99a6fa14c49b7d8cc8ed266fccec40ecba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233c2b7f1882c2becfaabf92b56bb99a6fa14c49b7d8cc8ed266fccec40ecba3", kill_on_drop: false }`
[INFO] [stdout] 233c2b7f1882c2becfaabf92b56bb99a6fa14c49b7d8cc8ed266fccec40ecba3
