[INFO] cloning repository https://github.com/swaits/megapermute [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swaits/megapermute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaits%2Fmegapermute", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaits%2Fmegapermute'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56e684c28d9ad9f33c00a1d67f96193e4b54321c [INFO] checking swaits/megapermute against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswaits%2Fmegapermute" "/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/swaits/megapermute 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/swaits/megapermute [INFO] finished tweaking git repo https://github.com/swaits/megapermute [INFO] tweaked toml for git repo https://github.com/swaits/megapermute written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/swaits/megapermute 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-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] 0873fe09450e0efc288aa794b681ab6391f6d95e460223e9c1e29122752205dd [INFO] running `Command { std: "docker" "start" "-a" "0873fe09450e0efc288aa794b681ab6391f6d95e460223e9c1e29122752205dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0873fe09450e0efc288aa794b681ab6391f6d95e460223e9c1e29122752205dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0873fe09450e0efc288aa794b681ab6391f6d95e460223e9c1e29122752205dd", kill_on_drop: false }` [INFO] [stdout] 0873fe09450e0efc288aa794b681ab6391f6d95e460223e9c1e29122752205dd [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] f09800237ab7783100057b0bd86d8af5f46fb8ff9f018e7ed7827b34598e9182 [INFO] running `Command { std: "docker" "start" "-a" "f09800237ab7783100057b0bd86d8af5f46fb8ff9f018e7ed7827b34598e9182", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking megapermute v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s [INFO] running `Command { std: "docker" "inspect" "f09800237ab7783100057b0bd86d8af5f46fb8ff9f018e7ed7827b34598e9182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f09800237ab7783100057b0bd86d8af5f46fb8ff9f018e7ed7827b34598e9182", kill_on_drop: false }` [INFO] [stdout] f09800237ab7783100057b0bd86d8af5f46fb8ff9f018e7ed7827b34598e9182 [INFO] checking swaits/megapermute 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%2Fswaits%2Fmegapermute" "/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/swaits/megapermute 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/swaits/megapermute [INFO] finished tweaking git repo https://github.com/swaits/megapermute [INFO] tweaked toml for git repo https://github.com/swaits/megapermute written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/swaits/megapermute 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] 72a94ae1e2643eac7dafb391712a83aeada2c93b40197d96ebac43fe1fdcdeef [INFO] running `Command { std: "docker" "start" "-a" "72a94ae1e2643eac7dafb391712a83aeada2c93b40197d96ebac43fe1fdcdeef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72a94ae1e2643eac7dafb391712a83aeada2c93b40197d96ebac43fe1fdcdeef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72a94ae1e2643eac7dafb391712a83aeada2c93b40197d96ebac43fe1fdcdeef", kill_on_drop: false }` [INFO] [stdout] 72a94ae1e2643eac7dafb391712a83aeada2c93b40197d96ebac43fe1fdcdeef [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] d8ea3ea9c070b28647a4622f8831abf4a33e59601e65ac1ff0258679fd0cafaa [INFO] running `Command { std: "docker" "start" "-a" "d8ea3ea9c070b28647a4622f8831abf4a33e59601e65ac1ff0258679fd0cafaa", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking megapermute v0.1.0 (/opt/rustwide/workdir) [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:24:8 [INFO] [stdout] | [INFO] [stdout] 22 | let f = BufReader::new(File::open(filename)?); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | // Map each line of the file to a f64. [INFO] [stdout] 24 | Ok(f.lines() [INFO] [stdout] | ________^ [INFO] [stdout] 25 | | .map(|l| { [INFO] [stdout] 26 | | // If there is an error reading the line, panic. [INFO] [stdout] 27 | | l.expect("input error: unable to read line") [INFO] [stdout] ... | [INFO] [stdout] 30 | | .expect("parse error: unable to parse f64") [INFO] [stdout] 31 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |__________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:42:5 [INFO] [stdout] | [INFO] [stdout] 37 | fn mean<'a>(iter: impl Iterator) -> f64 { [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | iter.enumerate() [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 [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:24:8 [INFO] [stdout] | [INFO] [stdout] 22 | let f = BufReader::new(File::open(filename)?); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | // Map each line of the file to a f64. [INFO] [stdout] 24 | Ok(f.lines() [INFO] [stdout] | ________^ [INFO] [stdout] 25 | | .map(|l| { [INFO] [stdout] 26 | | // If there is an error reading the line, panic. [INFO] [stdout] 27 | | l.expect("input error: unable to read line") [INFO] [stdout] ... | [INFO] [stdout] 30 | | .expect("parse error: unable to parse f64") [INFO] [stdout] 31 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |__________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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:42:5 [INFO] [stdout] | [INFO] [stdout] 37 | fn mean<'a>(iter: impl Iterator) -> f64 { [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | iter.enumerate() [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `megapermute` (bin "megapermute") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `megapermute` (bin "megapermute" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "d8ea3ea9c070b28647a4622f8831abf4a33e59601e65ac1ff0258679fd0cafaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8ea3ea9c070b28647a4622f8831abf4a33e59601e65ac1ff0258679fd0cafaa", kill_on_drop: false }` [INFO] [stdout] d8ea3ea9c070b28647a4622f8831abf4a33e59601e65ac1ff0258679fd0cafaa