[INFO] cloning repository https://github.com/stephenjayakar/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/stephenjayakar/linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Flinked_list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Flinked_list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3caa5b2c9c0955f8fa2bc2ebb541acf6056bb5f [INFO] testing stephenjayakar/linked_list against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Flinked_list" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/stephenjayakar/linked_list [INFO] finished tweaking git repo https://github.com/stephenjayakar/linked_list [INFO] tweaked toml for git repo https://github.com/stephenjayakar/linked_list written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/stephenjayakar/linked_list on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/stephenjayakar/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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faacbbabb31db08b92fac63dd509b64dc8c168a95a1a7af8fd25a9ef7dcadb04 [INFO] running `Command { std: "docker" "start" "-a" "faacbbabb31db08b92fac63dd509b64dc8c168a95a1a7af8fd25a9ef7dcadb04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faacbbabb31db08b92fac63dd509b64dc8c168a95a1a7af8fd25a9ef7dcadb04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faacbbabb31db08b92fac63dd509b64dc8c168a95a1a7af8fd25a9ef7dcadb04", kill_on_drop: false }` [INFO] [stdout] faacbbabb31db08b92fac63dd509b64dc8c168a95a1a7af8fd25a9ef7dcadb04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4dd540a9405debca407dda2901ba929a249955bfd01a498db56f99726dffb2f [INFO] running `Command { std: "docker" "start" "-a" "d4dd540a9405debca407dda2901ba929a249955bfd01a498db56f99726dffb2f", kill_on_drop: false }` [INFO] [stderr] Compiling stephen_ll v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `test::Bencher` [INFO] [stdout] --> src/linked_list.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Termination` [INFO] [stdout] --> src/linked_list.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | use std::process::Termination; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `termination_trait_lib` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(termination_trait_lib)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N` is never used [INFO] [stdout] --> src/linked_list.rs:169:7 [INFO] [stdout] | [INFO] [stdout] 169 | const N: i32 = 10000; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "d4dd540a9405debca407dda2901ba929a249955bfd01a498db56f99726dffb2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4dd540a9405debca407dda2901ba929a249955bfd01a498db56f99726dffb2f", kill_on_drop: false }` [INFO] [stdout] d4dd540a9405debca407dda2901ba929a249955bfd01a498db56f99726dffb2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b242fcc064eddda2eb7557c74d0017633327ad8f9160464726f6103f0584cdd [INFO] running `Command { std: "docker" "start" "-a" "8b242fcc064eddda2eb7557c74d0017633327ad8f9160464726f6103f0584cdd", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `test::Bencher` [INFO] [stdout] --> src/linked_list.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Termination` [INFO] [stdout] --> src/linked_list.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | use std::process::Termination; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `termination_trait_lib` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(termination_trait_lib)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N` is never used [INFO] [stdout] --> src/linked_list.rs:169:7 [INFO] [stdout] | [INFO] [stdout] 169 | const N: i32 = 10000; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stephen_ll v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `termination_trait_lib` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(termination_trait_lib)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "8b242fcc064eddda2eb7557c74d0017633327ad8f9160464726f6103f0584cdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b242fcc064eddda2eb7557c74d0017633327ad8f9160464726f6103f0584cdd", kill_on_drop: false }` [INFO] [stdout] 8b242fcc064eddda2eb7557c74d0017633327ad8f9160464726f6103f0584cdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3869b1ab0b148e2d89bdff2a709f0b4fde0c544d86203acd1986b57ca7143533 [INFO] running `Command { std: "docker" "start" "-a" "3869b1ab0b148e2d89bdff2a709f0b4fde0c544d86203acd1986b57ca7143533", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `test::Bencher` [INFO] [stderr] --> src/linked_list.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | use test::Bencher; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Termination` [INFO] [stderr] --> src/linked_list.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 168 | use std::process::Termination; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `termination_trait_lib` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(termination_trait_lib)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant `N` is never used [INFO] [stderr] --> src/linked_list.rs:169:7 [INFO] [stderr] | [INFO] [stderr] 169 | const N: i32 = 10000; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/linked_list.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn iter(&self) -> LinkedListIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 22 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `stephen_ll` (lib) generated 5 warnings (run `cargo fix --lib -p stephen_ll` to apply 3 suggestions) [INFO] [stderr] warning: `stephen_ll` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stephen_ll-667a615022818834) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test linked_list::tests::head_none_invariant ... ok [INFO] [stdout] test linked_list::tests::print_test ... ok [INFO] [stdout] test linked_list::tests::sanity_pop ... ok [INFO] [stdout] test linked_list::contains ... ok [INFO] [stdout] test linked_list::tests::sanity_contains ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests stephen_ll [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::pop_front (line 47) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::push_front (line 30) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList (line 97) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3869b1ab0b148e2d89bdff2a709f0b4fde0c544d86203acd1986b57ca7143533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3869b1ab0b148e2d89bdff2a709f0b4fde0c544d86203acd1986b57ca7143533", kill_on_drop: false }` [INFO] [stdout] 3869b1ab0b148e2d89bdff2a709f0b4fde0c544d86203acd1986b57ca7143533