[INFO] cloning repository https://github.com/zkxs/nucleotide-subsequence [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zkxs/nucleotide-subsequence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f513914db2469ac6b8d472257b829abb61b570a [INFO] checking zkxs/nucleotide-subsequence against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zkxs/nucleotide-subsequence on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zkxs/nucleotide-subsequence [INFO] finished tweaking git repo https://github.com/zkxs/nucleotide-subsequence [INFO] tweaked toml for git repo https://github.com/zkxs/nucleotide-subsequence written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zkxs/nucleotide-subsequence 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slice-deque v0.2.4 [INFO] [stderr] Downloaded regex v1.2.1 [INFO] [stderr] Downloaded regex-syntax v0.6.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eac7690fdbdf99efa62368fa40fa9229e17aee19b6f07c8277a543387c429eea [INFO] running `Command { std: "docker" "start" "-a" "eac7690fdbdf99efa62368fa40fa9229e17aee19b6f07c8277a543387c429eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eac7690fdbdf99efa62368fa40fa9229e17aee19b6f07c8277a543387c429eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eac7690fdbdf99efa62368fa40fa9229e17aee19b6f07c8277a543387c429eea", kill_on_drop: false }` [INFO] [stdout] eac7690fdbdf99efa62368fa40fa9229e17aee19b6f07c8277a543387c429eea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9712c7e12939a3aa3fd4b6a4febb251c9a54264c2b98b28dd72220d4cbf70338 [INFO] running `Command { std: "docker" "start" "-a" "9712c7e12939a3aa3fd4b6a4febb251c9a54264c2b98b28dd72220d4cbf70338", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking nucleotide-subsequence v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | mem::forget(slice); [INFO] [stdout] | ^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&[u8]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - mem::forget(slice); [INFO] [stdout] 99 + let _ = slice; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | mem::forget(slice); [INFO] [stdout] | ^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&[u8]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - mem::forget(slice); [INFO] [stdout] 99 + let _ = slice; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "9712c7e12939a3aa3fd4b6a4febb251c9a54264c2b98b28dd72220d4cbf70338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9712c7e12939a3aa3fd4b6a4febb251c9a54264c2b98b28dd72220d4cbf70338", kill_on_drop: false }` [INFO] [stdout] 9712c7e12939a3aa3fd4b6a4febb251c9a54264c2b98b28dd72220d4cbf70338 [INFO] checking zkxs/nucleotide-subsequence against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zkxs/nucleotide-subsequence on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zkxs/nucleotide-subsequence [INFO] finished tweaking git repo https://github.com/zkxs/nucleotide-subsequence [INFO] tweaked toml for git repo https://github.com/zkxs/nucleotide-subsequence written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zkxs/nucleotide-subsequence 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6965f8b35c849fa0147d29cffea908c07b907e3c6be187a292d2b831703f982 [INFO] running `Command { std: "docker" "start" "-a" "d6965f8b35c849fa0147d29cffea908c07b907e3c6be187a292d2b831703f982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6965f8b35c849fa0147d29cffea908c07b907e3c6be187a292d2b831703f982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6965f8b35c849fa0147d29cffea908c07b907e3c6be187a292d2b831703f982", kill_on_drop: false }` [INFO] [stdout] d6965f8b35c849fa0147d29cffea908c07b907e3c6be187a292d2b831703f982 [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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a08427d265bc5e5fc74317eeeaee955094de628e1986eb9c88310a8c022e948 [INFO] running `Command { std: "docker" "start" "-a" "8a08427d265bc5e5fc74317eeeaee955094de628e1986eb9c88310a8c022e948", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking nucleotide-subsequence v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | mem::forget(slice); [INFO] [stdout] | ^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&[u8]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - mem::forget(slice); [INFO] [stdout] 99 + let _ = slice; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | mem::forget(slice); [INFO] [stdout] | ^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&[u8]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - mem::forget(slice); [INFO] [stdout] 99 + let _ = slice; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn build(matches: ArgMatches) -> Result { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 94 | let mut file = File::open(filename).unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 95 | let result = file.read_to_end(&mut buffer); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | Err(error) => return Err(error.to_string()) [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | / Config { [INFO] [stdout] 121 | | matches, [INFO] [stdout] 122 | | verbosity, [INFO] [stdout] 123 | | raw_target, [INFO] [stdout] ... | [INFO] [stdout] 126 | | pad, [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn build(matches: ArgMatches) -> Result { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 94 | let mut file = File::open(filename).unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 95 | let result = file.read_to_end(&mut buffer); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | Err(error) => return Err(error.to_string()) [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | / Config { [INFO] [stdout] 121 | | matches, [INFO] [stdout] 122 | | verbosity, [INFO] [stdout] 123 | | raw_target, [INFO] [stdout] ... | [INFO] [stdout] 126 | | pad, [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nucleotide-subsequence` (bin "nucleotide-subsequence" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `nucleotide-subsequence` (bin "nucleotide-subsequence") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8a08427d265bc5e5fc74317eeeaee955094de628e1986eb9c88310a8c022e948", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a08427d265bc5e5fc74317eeeaee955094de628e1986eb9c88310a8c022e948", kill_on_drop: false }` [INFO] [stdout] 8a08427d265bc5e5fc74317eeeaee955094de628e1986eb9c88310a8c022e948