[INFO] cloning repository https://github.com/MucTepDayH16/leet-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MucTepDayH16/leet-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMucTepDayH16%2Fleet-code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMucTepDayH16%2Fleet-code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 219df5a84c261149686f0c0ae49381671172d238 [INFO] testing MucTepDayH16/leet-code against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMucTepDayH16%2Fleet-code" "/workspace/builds/worker-29/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MucTepDayH16/leet-code on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MucTepDayH16/leet-code [INFO] finished tweaking git repo https://github.com/MucTepDayH16/leet-code [INFO] tweaked toml for git repo https://github.com/MucTepDayH16/leet-code written to /workspace/builds/worker-29/source/Cargo.toml [INFO] crate git repo https://github.com/MucTepDayH16/leet-code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9b2ef2989cab69f1143cb40bf2db656ca9545fc2079afed763ca731f2dfd7ed [INFO] running `Command { std: "docker" "start" "-a" "e9b2ef2989cab69f1143cb40bf2db656ca9545fc2079afed763ca731f2dfd7ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9b2ef2989cab69f1143cb40bf2db656ca9545fc2079afed763ca731f2dfd7ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9b2ef2989cab69f1143cb40bf2db656ca9545fc2079afed763ca731f2dfd7ed", kill_on_drop: false }` [INFO] [stdout] e9b2ef2989cab69f1143cb40bf2db656ca9545fc2079afed763ca731f2dfd7ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2dfeec695137480109cee542fcabfcd9833b2d5e4c005c6394953e14523da8e [INFO] running `Command { std: "docker" "start" "-a" "d2dfeec695137480109cee542fcabfcd9833b2d5e4c005c6394953e14523da8e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling regular-expression-matching v0.1.0 (/opt/rustwide/workdir/regular-expression-matching) [INFO] [stderr] Compiling group-anagrams v0.1.0 (/opt/rustwide/workdir/group-anagrams) [INFO] [stdout] warning: unused imports: `BTreeSet`, `cmp::*` [INFO] [stdout] --> group-anagrams/src/main.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{BTreeMap, BTreeSet}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | cmp::*, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> group-anagrams/src/main.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | let strs = strs.into_iter().map(|s| s.to_string()).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 33 | let strs = strs.iter().map(|s| s.to_string()).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 33 | let strs = IntoIterator::into_iter(strs).map(|s| s.to_string()).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> regular-expression-matching/src/main.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn is_match(s: String, mut p: String) -> bool { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `Command { std: "docker" "inspect" "d2dfeec695137480109cee542fcabfcd9833b2d5e4c005c6394953e14523da8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2dfeec695137480109cee542fcabfcd9833b2d5e4c005c6394953e14523da8e", kill_on_drop: false }` [INFO] [stdout] d2dfeec695137480109cee542fcabfcd9833b2d5e4c005c6394953e14523da8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4b17ce758139bed2d6a7767b8c415f3796ea7c896fe418f76f393e237d0c192 [INFO] running `Command { std: "docker" "start" "-a" "b4b17ce758139bed2d6a7767b8c415f3796ea7c896fe418f76f393e237d0c192", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling regular-expression-matching v0.1.0 (/opt/rustwide/workdir/regular-expression-matching) [INFO] [stderr] Compiling group-anagrams v0.1.0 (/opt/rustwide/workdir/group-anagrams) [INFO] [stdout] warning: unused imports: `BTreeSet`, `cmp::*` [INFO] [stdout] --> group-anagrams/src/main.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{BTreeMap, BTreeSet}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | cmp::*, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> group-anagrams/src/main.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | let strs = strs.into_iter().map(|s| s.to_string()).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 33 | let strs = strs.iter().map(|s| s.to_string()).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 33 | let strs = IntoIterator::into_iter(strs).map(|s| s.to_string()).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> regular-expression-matching/src/main.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn is_match(s: String, mut p: String) -> bool { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.53s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/group_anagrams-e4cdd96c26fef82f) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/regular_expression_matching-46a86ba4a66fea35) [INFO] running `Command { std: "docker" "inspect" "b4b17ce758139bed2d6a7767b8c415f3796ea7c896fe418f76f393e237d0c192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4b17ce758139bed2d6a7767b8c415f3796ea7c896fe418f76f393e237d0c192", kill_on_drop: false }` [INFO] [stdout] b4b17ce758139bed2d6a7767b8c415f3796ea7c896fe418f76f393e237d0c192 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c6a4e80a9dbfc00dd9090a8af74b009b8429e307611e6d1ecdc1131ef1d54f55 [INFO] running `Command { std: "docker" "start" "-a" "c6a4e80a9dbfc00dd9090a8af74b009b8429e307611e6d1ecdc1131ef1d54f55", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `BTreeSet`, `cmp::*` [INFO] [stderr] --> group-anagrams/src/main.rs:2:33 [INFO] [stderr] | [INFO] [stderr] 2 | collections::{BTreeMap, BTreeSet}, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 3 | cmp::*, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stderr] --> group-anagrams/src/main.rs:33:21 [INFO] [stderr] | [INFO] [stderr] 33 | let strs = strs.into_iter().map(|s| s.to_string()).collect(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 33 | let strs = strs.iter().map(|s| s.to_string()).collect(); [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 33 | let strs = IntoIterator::into_iter(strs).map(|s| s.to_string()).collect(); [INFO] [stderr] | ++++++++++++++++++++++++ ~ [INFO] [stderr] [INFO] [stderr] warning: `group-anagrams` (bin "group-anagrams" test) generated 2 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> regular-expression-matching/src/main.rs:116:32 [INFO] [stderr] | [INFO] [stderr] 116 | pub fn is_match(s: String, mut p: String) -> bool { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `regular-expression-matching` (bin "regular-expression-matching" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/group_anagrams-e4cdd96c26fef82f) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/regular_expression_matching-46a86ba4a66fea35) [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" "c6a4e80a9dbfc00dd9090a8af74b009b8429e307611e6d1ecdc1131ef1d54f55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6a4e80a9dbfc00dd9090a8af74b009b8429e307611e6d1ecdc1131ef1d54f55", kill_on_drop: false }` [INFO] [stdout] c6a4e80a9dbfc00dd9090a8af74b009b8429e307611e6d1ecdc1131ef1d54f55