[INFO] cloning repository https://github.com/Jiraffe7/maelstrom-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jiraffe7/maelstrom-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82ae8b755b0a385aa2001d7671788b4af4c48cbd [INFO] checking Jiraffe7/maelstrom-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiraffe7%2Fmaelstrom-rs" "/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/Jiraffe7/maelstrom-rs 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/Jiraffe7/maelstrom-rs [INFO] finished tweaking git repo https://github.com/Jiraffe7/maelstrom-rs [INFO] tweaked toml for git repo https://github.com/Jiraffe7/maelstrom-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jiraffe7/maelstrom-rs 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ulid v1.0.0 [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] 0d2fe36508eecd7576c32dc423a7a0ee39507eddfcf3c5925b2600dfd7b4e794 [INFO] running `Command { std: "docker" "start" "-a" "0d2fe36508eecd7576c32dc423a7a0ee39507eddfcf3c5925b2600dfd7b4e794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d2fe36508eecd7576c32dc423a7a0ee39507eddfcf3c5925b2600dfd7b4e794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d2fe36508eecd7576c32dc423a7a0ee39507eddfcf3c5925b2600dfd7b4e794", kill_on_drop: false }` [INFO] [stdout] 0d2fe36508eecd7576c32dc423a7a0ee39507eddfcf3c5925b2600dfd7b4e794 [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] 797072652ed957cd1a158da8fb22c21192a66f5c19987e949be78e1c402f0290 [INFO] running `Command { std: "docker" "start" "-a" "797072652ed957cd1a158da8fb22c21192a66f5c19987e949be78e1c402f0290", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking getrandom v0.2.10 [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 ulid v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking maelstrom-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/bin/broadcast.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | io::{StdoutLock, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/bin/broadcast.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | io::{StdoutLock, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `msg_communicated` is never read [INFO] [stdout] --> src/bin/broadcast.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct UniqueNode { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | msg_communicated: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `msg_communicated` is never read [INFO] [stdout] --> src/bin/broadcast.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct UniqueNode { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | msg_communicated: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s [INFO] running `Command { std: "docker" "inspect" "797072652ed957cd1a158da8fb22c21192a66f5c19987e949be78e1c402f0290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "797072652ed957cd1a158da8fb22c21192a66f5c19987e949be78e1c402f0290", kill_on_drop: false }` [INFO] [stdout] 797072652ed957cd1a158da8fb22c21192a66f5c19987e949be78e1c402f0290 [INFO] checking Jiraffe7/maelstrom-rs 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%2FJiraffe7%2Fmaelstrom-rs" "/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/Jiraffe7/maelstrom-rs 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/Jiraffe7/maelstrom-rs [INFO] finished tweaking git repo https://github.com/Jiraffe7/maelstrom-rs [INFO] tweaked toml for git repo https://github.com/Jiraffe7/maelstrom-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jiraffe7/maelstrom-rs 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] [stderr] Blocking waiting for file lock on package cache [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] c5dd2ccba0c4151f3ccd9520993328e5d0845bbb35bd562890c70903a32d248e [INFO] running `Command { std: "docker" "start" "-a" "c5dd2ccba0c4151f3ccd9520993328e5d0845bbb35bd562890c70903a32d248e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5dd2ccba0c4151f3ccd9520993328e5d0845bbb35bd562890c70903a32d248e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5dd2ccba0c4151f3ccd9520993328e5d0845bbb35bd562890c70903a32d248e", kill_on_drop: false }` [INFO] [stdout] c5dd2ccba0c4151f3ccd9520993328e5d0845bbb35bd562890c70903a32d248e [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] d1c9987da429876bf162c4f7c23d4203ab6608cbbd42aec8cbb9a7cdf714f8f0 [INFO] running `Command { std: "docker" "start" "-a" "d1c9987da429876bf162c4f7c23d4203ab6608cbbd42aec8cbb9a7cdf714f8f0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking getrandom v0.2.10 [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 ulid v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking maelstrom-rs 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/lib.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn into_reply(self, id: Option<&mut usize>) -> Self { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | body: Body { [INFO] [stdout] | ___________________^ [INFO] [stdout] 20 | | id: id.map(|id| { [INFO] [stdout] 21 | | let mid = *id; [INFO] [stdout] 22 | | *id += 1; [INFO] [stdout] ... | [INFO] [stdout] 26 | | payload: self.body.payload, [INFO] [stdout] 27 | | }, [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/lib.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn into_reply(self, id: Option<&mut usize>) -> Self { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | body: Body { [INFO] [stdout] | ___________________^ [INFO] [stdout] 20 | | id: id.map(|id| { [INFO] [stdout] 21 | | let mid = *id; [INFO] [stdout] 22 | | *id += 1; [INFO] [stdout] ... | [INFO] [stdout] 26 | | payload: self.body.payload, [INFO] [stdout] 27 | | }, [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maelstrom-rs` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `maelstrom-rs` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d1c9987da429876bf162c4f7c23d4203ab6608cbbd42aec8cbb9a7cdf714f8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1c9987da429876bf162c4f7c23d4203ab6608cbbd42aec8cbb9a7cdf714f8f0", kill_on_drop: false }` [INFO] [stdout] d1c9987da429876bf162c4f7c23d4203ab6608cbbd42aec8cbb9a7cdf714f8f0