[INFO] fetching crate mgrep 0.1.0... [INFO] checking mgrep-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate mgrep 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate mgrep 0.1.0 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 crates.io crate mgrep 0.1.0 [INFO] finished tweaking crates.io crate mgrep 0.1.0 [INFO] tweaked toml for crates.io crate mgrep 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate mgrep 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 69bf8fe642daf6a0debc8ca8002e94342bf81fcc819bf3e03bdd87907f520d24 [INFO] running `Command { std: "docker" "start" "-a" "69bf8fe642daf6a0debc8ca8002e94342bf81fcc819bf3e03bdd87907f520d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69bf8fe642daf6a0debc8ca8002e94342bf81fcc819bf3e03bdd87907f520d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69bf8fe642daf6a0debc8ca8002e94342bf81fcc819bf3e03bdd87907f520d24", kill_on_drop: false }` [INFO] [stdout] 69bf8fe642daf6a0debc8ca8002e94342bf81fcc819bf3e03bdd87907f520d24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 92a6e70e5205a149f25615a9d51a42432e7422e3eef25688da5ad36b4f51e1a6 [INFO] running `Command { std: "docker" "start" "-a" "92a6e70e5205a149f25615a9d51a42432e7422e3eef25688da5ad36b4f51e1a6", kill_on_drop: false }` [INFO] [stderr] Checking mgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/main.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 55 | / impl Cacher [INFO] [stdout] 56 | | where [INFO] [stdout] 57 | | T: Fn(&P) -> R, [INFO] [stdout] 58 | | P: std::cmp::Eq + std::hash::Hash, [INFO] [stdout] | |______________________________________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn value(&mut self, arg: P) -> &R { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_my_size` is never used [INFO] [stdout] --> src/main.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn shoes_in_my_size( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 96 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 97 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.13s [INFO] running `Command { std: "docker" "inspect" "92a6e70e5205a149f25615a9d51a42432e7422e3eef25688da5ad36b4f51e1a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92a6e70e5205a149f25615a9d51a42432e7422e3eef25688da5ad36b4f51e1a6", kill_on_drop: false }` [INFO] [stdout] 92a6e70e5205a149f25615a9d51a42432e7422e3eef25688da5ad36b4f51e1a6 [INFO] checking mgrep-0.1.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate mgrep 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mgrep 0.1.0 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 crates.io crate mgrep 0.1.0 [INFO] finished tweaking crates.io crate mgrep 0.1.0 [INFO] tweaked toml for crates.io crate mgrep 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate mgrep 0.1.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f33a21929a2c7b71e2b692fd1f1005b899cae4fd739afbea3f8c4ad35173fcd [INFO] running `Command { std: "docker" "start" "-a" "9f33a21929a2c7b71e2b692fd1f1005b899cae4fd739afbea3f8c4ad35173fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f33a21929a2c7b71e2b692fd1f1005b899cae4fd739afbea3f8c4ad35173fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f33a21929a2c7b71e2b692fd1f1005b899cae4fd739afbea3f8c4ad35173fcd", kill_on_drop: false }` [INFO] [stdout] 9f33a21929a2c7b71e2b692fd1f1005b899cae4fd739afbea3f8c4ad35173fcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 83a8645889c2f650e86c06d71f27102217cf930784be836a77f85b00c070866e [INFO] running `Command { std: "docker" "start" "-a" "83a8645889c2f650e86c06d71f27102217cf930784be836a77f85b00c070866e", kill_on_drop: false }` [INFO] [stderr] Checking mgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/main.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 55 | / impl Cacher [INFO] [stdout] 56 | | where [INFO] [stdout] 57 | | T: Fn(&P) -> R, [INFO] [stdout] 58 | | P: std::cmp::Eq + std::hash::Hash, [INFO] [stdout] | |______________________________________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn value(&mut self, arg: P) -> &R { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_my_size` is never used [INFO] [stdout] --> src/main.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn shoes_in_my_size( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 96 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 97 | fn new() -> Counter { [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/main.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 60 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | values: HashMap::new(), [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/main.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 66 | fn value(&mut self, arg: P) -> &R { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | use std::collections::hash_map::Entry; [INFO] [stdout] 68 | match self.values.entry(arg) { [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; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mgrep` (bin "mgrep") due to 3 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/main.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 60 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | values: HashMap::new(), [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/main.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 66 | fn value(&mut self, arg: P) -> &R { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | use std::collections::hash_map::Entry; [INFO] [stdout] 68 | match self.values.entry(arg) { [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 `mgrep` (bin "mgrep" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "83a8645889c2f650e86c06d71f27102217cf930784be836a77f85b00c070866e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83a8645889c2f650e86c06d71f27102217cf930784be836a77f85b00c070866e", kill_on_drop: false }` [INFO] [stdout] 83a8645889c2f650e86c06d71f27102217cf930784be836a77f85b00c070866e