[INFO] cloning repository https://github.com/plaxi0s/PNGme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plaxi0s/PNGme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaxi0s%2FPNGme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaxi0s%2FPNGme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03b8f87c2211d8afd40a3e7478d74a28163e9f3b [INFO] checking plaxi0s/PNGme against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaxi0s%2FPNGme" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/plaxi0s/PNGme 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/plaxi0s/PNGme [INFO] finished tweaking git repo https://github.com/plaxi0s/PNGme [INFO] tweaked toml for git repo https://github.com/plaxi0s/PNGme written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/plaxi0s/PNGme 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 libc v0.2.104 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c90571af95e93ccc18dd62adf2c239759de619ff748821cce605ad51f43d6e5 [INFO] running `Command { std: "docker" "start" "-a" "9c90571af95e93ccc18dd62adf2c239759de619ff748821cce605ad51f43d6e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c90571af95e93ccc18dd62adf2c239759de619ff748821cce605ad51f43d6e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c90571af95e93ccc18dd62adf2c239759de619ff748821cce605ad51f43d6e5", kill_on_drop: false }` [INFO] [stdout] 9c90571af95e93ccc18dd62adf2c239759de619ff748821cce605ad51f43d6e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 27b8109a431d4c2f560358d485fa4ed27a41f35033fd0e8819cf6916c1dc5db8 [INFO] running `Command { std: "docker" "start" "-a" "27b8109a431d4c2f560358d485fa4ed27a41f35033fd0e8819cf6916c1dc5db8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/png.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | self.chunks.iter().fold(String::new(), |mut acc, chunk| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/png.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | self.chunks.iter().fold(String::new(), |mut acc, chunk| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "27b8109a431d4c2f560358d485fa4ed27a41f35033fd0e8819cf6916c1dc5db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27b8109a431d4c2f560358d485fa4ed27a41f35033fd0e8819cf6916c1dc5db8", kill_on_drop: false }` [INFO] [stdout] 27b8109a431d4c2f560358d485fa4ed27a41f35033fd0e8819cf6916c1dc5db8 [INFO] checking plaxi0s/PNGme 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%2Fplaxi0s%2FPNGme" "/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/plaxi0s/PNGme 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/plaxi0s/PNGme [INFO] finished tweaking git repo https://github.com/plaxi0s/PNGme [INFO] tweaked toml for git repo https://github.com/plaxi0s/PNGme written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/plaxi0s/PNGme 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 346a69d1870e321e0c692bc7d598f588e53e058b5954f7854e1a58b8e59ef4f2 [INFO] running `Command { std: "docker" "start" "-a" "346a69d1870e321e0c692bc7d598f588e53e058b5954f7854e1a58b8e59ef4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "346a69d1870e321e0c692bc7d598f588e53e058b5954f7854e1a58b8e59ef4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "346a69d1870e321e0c692bc7d598f588e53e058b5954f7854e1a58b8e59ef4f2", kill_on_drop: false }` [INFO] [stdout] 346a69d1870e321e0c692bc7d598f588e53e058b5954f7854e1a58b8e59ef4f2 [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 -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] dc0fad20e8b2521e249c2a64820df216dc038ef55fda0db119fc0e1f7d28d46f [INFO] running `Command { std: "docker" "start" "-a" "dc0fad20e8b2521e249c2a64820df216dc038ef55fda0db119fc0e1f7d28d46f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/png.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | self.chunks.iter().fold(String::new(), |mut acc, chunk| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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/chunk.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 58 | | chunk_type, [INFO] [stdout] 59 | | data: Box::from(data), [INFO] [stdout] 60 | | crc, [INFO] [stdout] 61 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/png.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 40 | let mut chunks = Vec::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | Ok(Png { chunks }) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/png.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | self.chunks.iter().fold(String::new(), |mut acc, chunk| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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/chunk.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 58 | | chunk_type, [INFO] [stdout] 59 | | data: Box::from(data), [INFO] [stdout] 60 | | crc, [INFO] [stdout] 61 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/png.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 40 | let mut chunks = Vec::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 48 | Ok(Png { chunks }) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/png.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 148 | Ok(Chunk::new(chunk_type, data)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "dc0fad20e8b2521e249c2a64820df216dc038ef55fda0db119fc0e1f7d28d46f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc0fad20e8b2521e249c2a64820df216dc038ef55fda0db119fc0e1f7d28d46f", kill_on_drop: false }` [INFO] [stdout] dc0fad20e8b2521e249c2a64820df216dc038ef55fda0db119fc0e1f7d28d46f