[INFO] fetching crate dagre_rust 0.0.5... [INFO] checking dagre_rust-0.0.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate dagre_rust 0.0.5 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate dagre_rust 0.0.5 [INFO] finished tweaking crates.io crate dagre_rust 0.0.5 [INFO] tweaked toml for crates.io crate dagre_rust 0.0.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dagre_rust 0.0.5 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding graphlib_rust v0.0.2 (available: v0.0.4) [INFO] [stderr] Adding ordered_hashmap v0.0.3 (available: v0.0.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ordered_hashmap v0.0.3 [INFO] [stderr] Downloaded graphlib_rust v0.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db702abf6a99c9af9161e402cb79ab87d643f319c4a90def1c1a45f0a6711207 [INFO] running `Command { std: "docker" "start" "-a" "db702abf6a99c9af9161e402cb79ab87d643f319c4a90def1c1a45f0a6711207", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db702abf6a99c9af9161e402cb79ab87d643f319c4a90def1c1a45f0a6711207", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db702abf6a99c9af9161e402cb79ab87d643f319c4a90def1c1a45f0a6711207", kill_on_drop: false }` [INFO] [stdout] db702abf6a99c9af9161e402cb79ab87d643f319c4a90def1c1a45f0a6711207 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abfb1fe09a40cd22d334a397253cca2123301a76358bb9a54964ad7d72535bc7 [INFO] running `Command { std: "docker" "start" "-a" "abfb1fe09a40cd22d334a397253cca2123301a76358bb9a54964ad7d72535bc7", kill_on_drop: false }` [INFO] [stderr] Checking ordered_hashmap v0.0.3 [INFO] [stderr] Checking graphlib_rust v0.0.2 [INFO] [stderr] Checking dagre_rust v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `edge` is never read [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | let mut edge: Option = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delta` is never read [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | let mut delta: Option = None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:104:15 [INFO] [stdout] | [INFO] [stdout] 104 | .filter(|(e, e_)| e_.is_some()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e1` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | .min_by(|(e1, e1_), (e2, e2_)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_e1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e2` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:105:26 [INFO] [stdout] | [INFO] [stdout] 105 | .min_by(|(e1, e1_), (e2, e2_)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_e2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `prev_north_pos` is assigned to, but never used [INFO] [stdout] --> src/layout/position/bk.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut prev_north_pos = -1; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_prev_north_pos` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prev_north_pos` is never read [INFO] [stdout] --> src/layout/position/bk.rs:123:15 [INFO] [stdout] | [INFO] [stdout] 123 | prev_north_pos = next_north_pos.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delta` is never read [INFO] [stdout] --> src/layout/position/bk.rs:586:5 [INFO] [stdout] | [INFO] [stdout] 586 | delta = 0.0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `edge` is never read [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | let mut edge: Option = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delta` is never read [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | let mut delta: Option = None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:104:15 [INFO] [stdout] | [INFO] [stdout] 104 | .filter(|(e, e_)| e_.is_some()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e1` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | .min_by(|(e1, e1_), (e2, e2_)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_e1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout/mod.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | let mut node = g.node_mut(&v).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e2` [INFO] [stdout] --> src/layout/rank/feasible_tree.rs:105:26 [INFO] [stdout] | [INFO] [stdout] 105 | .min_by(|(e1, e1_), (e2, e2_)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_e2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/layout/util.rs:261:66 [INFO] [stdout] | [INFO] [stdout] 261 | return add_dummy_node(graph, "border".to_string(), node, prefix.clone().to_string()); [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] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/layout/order/mod.rs:85:60 [INFO] [stdout] | [INFO] [stdout] 85 | let root = lg.graph().root.clone().unwrap_or(GRAPH_NODE.clone().to_string()); [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] [INFO] [stdout] [INFO] [stdout] warning: variable `prev_north_pos` is assigned to, but never used [INFO] [stdout] --> src/layout/position/bk.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut prev_north_pos = -1; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_prev_north_pos` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prev_north_pos` is never read [INFO] [stdout] --> src/layout/position/bk.rs:123:15 [INFO] [stdout] | [INFO] [stdout] 123 | prev_north_pos = next_north_pos.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `delta` is never read [INFO] [stdout] --> src/layout/position/bk.rs:586:5 [INFO] [stdout] | [INFO] [stdout] 586 | delta = 0.0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout/mod.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | let mut node = g.node_mut(&v).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/layout/util.rs:261:66 [INFO] [stdout] | [INFO] [stdout] 261 | return add_dummy_node(graph, "border".to_string(), node, prefix.clone().to_string()); [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] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/layout/order/mod.rs:85:60 [INFO] [stdout] | [INFO] [stdout] 85 | let root = lg.graph().root.clone().unwrap_or(GRAPH_NODE.clone().to_string()); [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "abfb1fe09a40cd22d334a397253cca2123301a76358bb9a54964ad7d72535bc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abfb1fe09a40cd22d334a397253cca2123301a76358bb9a54964ad7d72535bc7", kill_on_drop: false }` [INFO] [stdout] abfb1fe09a40cd22d334a397253cca2123301a76358bb9a54964ad7d72535bc7