[INFO] cloning repository https://github.com/JLerxky/algorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JLerxky/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56a9d206312cff27fda55944882dcec8f7c4e44b [INFO] building JLerxky/algorithm against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JLerxky/algorithm on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JLerxky/algorithm [INFO] finished tweaking git repo https://github.com/JLerxky/algorithm [INFO] tweaked toml for git repo https://github.com/JLerxky/algorithm written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JLerxky/algorithm 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 439e00f6d79376023d50bde248e5b256ff1305d74238dc47562683d6891c8902 [INFO] running `Command { std: "docker" "start" "-a" "439e00f6d79376023d50bde248e5b256ff1305d74238dc47562683d6891c8902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "439e00f6d79376023d50bde248e5b256ff1305d74238dc47562683d6891c8902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "439e00f6d79376023d50bde248e5b256ff1305d74238dc47562683d6891c8902", kill_on_drop: false }` [INFO] [stdout] 439e00f6d79376023d50bde248e5b256ff1305d74238dc47562683d6891c8902 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f07fae481ad8f9810bd0d97617abd013384ead6f55d345c32f81542024a4fa22 [INFO] running `Command { std: "docker" "start" "-a" "f07fae481ad8f9810bd0d97617abd013384ead6f55d345c32f81542024a4fa22", kill_on_drop: false }` [INFO] [stderr] Compiling graph v0.1.0 (/opt/rustwide/workdir/graph) [INFO] [stderr] Compiling search v0.1.0 (/opt/rustwide/workdir/search) [INFO] [stderr] Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting) [INFO] [stderr] Compiling structure v0.1.0 (/opt/rustwide/workdir/structure) [INFO] [stderr] Compiling hw v0.1.0 (/opt/rustwide/workdir/hw) [INFO] [stdout] warning: unused import: `std::net` [INFO] [stdout] --> hw/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> structure/src/reverse_list.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `v` and `q` are never read [INFO] [stdout] --> graph/src/topological_sort.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Graphadj { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 17 | v: usize, [INFO] [stdout] | ^ [INFO] [stdout] 18 | adj: Vec>, [INFO] [stdout] 19 | q: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_edge` and `topological_sort` are never used [INFO] [stdout] --> graph/src/topological_sort.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl Graphadj { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | fn add_edge(&mut self, v: usize, w: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn topological_sort(mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "f07fae481ad8f9810bd0d97617abd013384ead6f55d345c32f81542024a4fa22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f07fae481ad8f9810bd0d97617abd013384ead6f55d345c32f81542024a4fa22", kill_on_drop: false }` [INFO] [stdout] f07fae481ad8f9810bd0d97617abd013384ead6f55d345c32f81542024a4fa22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51a67ac68c849bf5109c33a4cfd7bc6d378b4320d585abd94da989bc98f6d8dc [INFO] running `Command { std: "docker" "start" "-a" "51a67ac68c849bf5109c33a4cfd7bc6d378b4320d585abd94da989bc98f6d8dc", kill_on_drop: false }` [INFO] [stdout] warning: fields `v` and `q` are never read [INFO] [stdout] --> graph/src/topological_sort.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Graphadj { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 17 | v: usize, [INFO] [stdout] | ^ [INFO] [stdout] 18 | adj: Vec>, [INFO] [stdout] 19 | q: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_edge` and `topological_sort` are never used [INFO] [stdout] --> graph/src/topological_sort.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl Graphadj { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | fn add_edge(&mut self, v: usize, w: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn topological_sort(mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling graph v0.1.0 (/opt/rustwide/workdir/graph) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> structure/src/reverse_list.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling structure v0.1.0 (/opt/rustwide/workdir/structure) [INFO] [stdout] warning: unused import: `std::net` [INFO] [stdout] --> hw/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hw v0.1.0 (/opt/rustwide/workdir/hw) [INFO] [stderr] Compiling search v0.1.0 (/opt/rustwide/workdir/search) [INFO] [stderr] Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting) [INFO] [stdout] warning: unused import: `std::net` [INFO] [stdout] --> hw/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> structure/src/reverse_list.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> hw/src/lib.rs:114:31 [INFO] [stdout] | [INFO] [stdout] 114 | let sub_mask = text[1].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "51a67ac68c849bf5109c33a4cfd7bc6d378b4320d585abd94da989bc98f6d8dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a67ac68c849bf5109c33a4cfd7bc6d378b4320d585abd94da989bc98f6d8dc", kill_on_drop: false }` [INFO] [stdout] 51a67ac68c849bf5109c33a4cfd7bc6d378b4320d585abd94da989bc98f6d8dc