[INFO] cloning repository https://github.com/aleozlx/alg-matching [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleozlx/alg-matching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleozlx%2Falg-matching", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleozlx%2Falg-matching'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7b8757bdcb242b5e3a9841bf6085ae47be32091 [INFO] testing aleozlx/alg-matching against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleozlx%2Falg-matching" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aleozlx/alg-matching on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aleozlx/alg-matching [INFO] finished tweaking git repo https://github.com/aleozlx/alg-matching [INFO] tweaked toml for git repo https://github.com/aleozlx/alg-matching written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/aleozlx/alg-matching already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3e5ac3ad00e1ddc4c1addf7f367dd7b8baa8a3b2f62721b072d7ea830dda14fc [INFO] running `Command { std: "docker" "start" "-a" "3e5ac3ad00e1ddc4c1addf7f367dd7b8baa8a3b2f62721b072d7ea830dda14fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e5ac3ad00e1ddc4c1addf7f367dd7b8baa8a3b2f62721b072d7ea830dda14fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e5ac3ad00e1ddc4c1addf7f367dd7b8baa8a3b2f62721b072d7ea830dda14fc", kill_on_drop: false }` [INFO] [stdout] 3e5ac3ad00e1ddc4c1addf7f367dd7b8baa8a3b2f62721b072d7ea830dda14fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a0994faa7ec0f9d00fcbe1f7fc083c5a4e7e2df139367210d93bcfff5727cc5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5a0994faa7ec0f9d00fcbe1f7fc083c5a4e7e2df139367210d93bcfff5727cc5", kill_on_drop: false }` [INFO] [stderr] Compiling alg-matching v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `unweighted_graph` [INFO] [stdout] --> src/main.rs:70:14 [INFO] [stdout] | [INFO] [stdout] 70 | macro_rules! unweighted_graph( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:18:41 [INFO] [stdout] | [INFO] [stdout] 18 | fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stdout] 18 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:19:44 [INFO] [stdout] | [INFO] [stdout] 19 | fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] 19 + fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:106:41 [INFO] [stdout] | [INFO] [stdout] 106 | fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 106 - fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stdout] 106 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:110:44 [INFO] [stdout] | [INFO] [stdout] 110 | fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 110 - fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] 110 + fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | let f: AdjFlowI32 = AdjFlowI32{ g: AdjGraph::new() }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let res = self.residual_graph(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:115:43 [INFO] [stdout] | [INFO] [stdout] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:115:53 [INFO] [stdout] | [INFO] [stdout] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "5a0994faa7ec0f9d00fcbe1f7fc083c5a4e7e2df139367210d93bcfff5727cc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0994faa7ec0f9d00fcbe1f7fc083c5a4e7e2df139367210d93bcfff5727cc5", kill_on_drop: false }` [INFO] [stdout] 5a0994faa7ec0f9d00fcbe1f7fc083c5a4e7e2df139367210d93bcfff5727cc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3eb010f806d13457bc6cc8e3985ba0b427f93f8ed41fcfc131b5b0070ee573f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a3eb010f806d13457bc6cc8e3985ba0b427f93f8ed41fcfc131b5b0070ee573f", kill_on_drop: false }` [INFO] [stderr] Compiling alg-matching v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:18:41 [INFO] [stdout] | [INFO] [stdout] 18 | fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stdout] 18 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:19:44 [INFO] [stdout] | [INFO] [stdout] 19 | fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] 19 + fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:106:41 [INFO] [stdout] | [INFO] [stdout] 106 | fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 106 - fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stdout] 106 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:110:44 [INFO] [stdout] | [INFO] [stdout] 110 | fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 110 - fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] 110 + fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | let f: AdjFlowI32 = AdjFlowI32{ g: AdjGraph::new() }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let res = self.residual_graph(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:115:43 [INFO] [stdout] | [INFO] [stdout] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:115:53 [INFO] [stdout] | [INFO] [stdout] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `Command { std: "docker" "inspect" "a3eb010f806d13457bc6cc8e3985ba0b427f93f8ed41fcfc131b5b0070ee573f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3eb010f806d13457bc6cc8e3985ba0b427f93f8ed41fcfc131b5b0070ee573f", kill_on_drop: false }` [INFO] [stdout] a3eb010f806d13457bc6cc8e3985ba0b427f93f8ed41fcfc131b5b0070ee573f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 507293c6db2f9d469b784e3574756d157de808ae437af7735472d3dbb0c0c8e0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "507293c6db2f9d469b784e3574756d157de808ae437af7735472d3dbb0c0c8e0", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:18:41 [INFO] [stderr] | [INFO] [stderr] 18 | fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 18 - fn inner_graph<'g>(&'g self) -> &'g Graph; [INFO] [stderr] 18 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:19:44 [INFO] [stderr] | [INFO] [stderr] 19 | fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 19 - fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stderr] 19 + fn residual_graph<'g>(&'g self) -> Box + 'g>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:106:41 [INFO] [stderr] | [INFO] [stderr] 106 | fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 106 - fn inner_graph<'g>(&'g self) -> &'g Graph { [INFO] [stderr] 106 + fn inner_graph<'g>(&'g self) -> &'g dyn Graph { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:110:44 [INFO] [stderr] | [INFO] [stderr] 110 | fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 110 - fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stderr] 110 + fn residual_graph<'g>(&'g self) -> Box + 'g> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:186:9 [INFO] [stderr] | [INFO] [stderr] 186 | let f: AdjFlowI32 = AdjFlowI32{ g: AdjGraph::new() }; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | let res = self.residual_graph(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:115:43 [INFO] [stderr] | [INFO] [stderr] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:115:53 [INFO] [stderr] | [INFO] [stderr] 115 | fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: `alg-matching` (bin "alg-matching" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/alg_matching-757b75f306ff8500) [INFO] [stdout] running 7 tests [INFO] [stdout] test test_empty_graph ... ok [INFO] [stdout] test test_trivial_path1 ... ok [INFO] [stdout] test test_no_path ... ok [INFO] [stdout] test test_trivial_path2 ... ok [INFO] [stdout] test test_trivial_path3 ... ok [INFO] [stdout] test test_optimal_path ... ok [INFO] [stdout] test test_unique_path ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "507293c6db2f9d469b784e3574756d157de808ae437af7735472d3dbb0c0c8e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "507293c6db2f9d469b784e3574756d157de808ae437af7735472d3dbb0c0c8e0", kill_on_drop: false }` [INFO] [stdout] 507293c6db2f9d469b784e3574756d157de808ae437af7735472d3dbb0c0c8e0