[INFO] cloning repository https://github.com/effinsky/rust_exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/effinsky/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feffinsky%2Frust_exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feffinsky%2Frust_exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 093dcb908608a9d138c9e4fccfe79d6b31485b80 [INFO] checking effinsky/rust_exercises against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feffinsky%2Frust_exercises" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/effinsky/rust_exercises 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/effinsky/rust_exercises [INFO] finished tweaking git repo https://github.com/effinsky/rust_exercises [INFO] tweaked toml for git repo https://github.com/effinsky/rust_exercises written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/effinsky/rust_exercises 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 num v0.4.1 [INFO] [stderr] Downloaded getrandom v0.2.13 [INFO] [stderr] Downloaded anyhow v1.0.76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8f9cbfc4b505e216ed7cc25d4379ba7848443f2c62af3e0a3362e41d33de75a3 [INFO] running `Command { std: "docker" "start" "-a" "8f9cbfc4b505e216ed7cc25d4379ba7848443f2c62af3e0a3362e41d33de75a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f9cbfc4b505e216ed7cc25d4379ba7848443f2c62af3e0a3362e41d33de75a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f9cbfc4b505e216ed7cc25d4379ba7848443f2c62af3e0a3362e41d33de75a3", kill_on_drop: false }` [INFO] [stdout] 8f9cbfc4b505e216ed7cc25d4379ba7848443f2c62af3e0a3362e41d33de75a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a5d8fb750e8da67928a05f68141cf3e8fb67d5b491ca222b32a860b87188ced1 [INFO] running `Command { std: "docker" "start" "-a" "a5d8fb750e8da67928a05f68141cf3e8fb67d5b491ca222b32a860b87188ced1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling anyhow v1.0.76 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking getrandom v0.2.13 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking rust_exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `Command { std: "docker" "inspect" "a5d8fb750e8da67928a05f68141cf3e8fb67d5b491ca222b32a860b87188ced1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d8fb750e8da67928a05f68141cf3e8fb67d5b491ca222b32a860b87188ced1", kill_on_drop: false }` [INFO] [stdout] a5d8fb750e8da67928a05f68141cf3e8fb67d5b491ca222b32a860b87188ced1 [INFO] checking effinsky/rust_exercises 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%2Feffinsky%2Frust_exercises" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/effinsky/rust_exercises 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/effinsky/rust_exercises [INFO] finished tweaking git repo https://github.com/effinsky/rust_exercises [INFO] tweaked toml for git repo https://github.com/effinsky/rust_exercises written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/effinsky/rust_exercises 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 127faed6679d769c0163606474b2362f9c736add2b845373fbf82d69b201b2c5 [INFO] running `Command { std: "docker" "start" "-a" "127faed6679d769c0163606474b2362f9c736add2b845373fbf82d69b201b2c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "127faed6679d769c0163606474b2362f9c736add2b845373fbf82d69b201b2c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "127faed6679d769c0163606474b2362f9c736add2b845373fbf82d69b201b2c5", kill_on_drop: false }` [INFO] [stdout] 127faed6679d769c0163606474b2362f9c736add2b845373fbf82d69b201b2c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fb23c8145d3311badb685fff862fbd763ad3f21c5a218fd856a185492673e755 [INFO] running `Command { std: "docker" "start" "-a" "fb23c8145d3311badb685fff862fbd763ad3f21c5a218fd856a185492673e755", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.76 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking getrandom v0.2.13 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking rust_exercises 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/exercises/insert_at.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn insert_at(it: A, at: usize, l: &[A]) -> Vec [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 5 | insert_at_aux(l, it, at, Vec::new(), 0) [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 [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/exercises/insert_at.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn insert_at(it: A, at: usize, l: &[A]) -> Vec [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 5 | insert_at_aux(l, it, at, Vec::new(), 0) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_exercises` (bin "rust_exercises" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust_exercises` (bin "rust_exercises") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "fb23c8145d3311badb685fff862fbd763ad3f21c5a218fd856a185492673e755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb23c8145d3311badb685fff862fbd763ad3f21c5a218fd856a185492673e755", kill_on_drop: false }` [INFO] [stdout] fb23c8145d3311badb685fff862fbd763ad3f21c5a218fd856a185492673e755