[INFO] fetching crate dagre_rust 0.0.5... [INFO] checking dagre_rust-0.0.5 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160 [INFO] extracting crate dagre_rust 0.0.5 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate dagre_rust 0.0.5 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "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-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4808cea30a01a455e126824778500605fab7100a0457688e5ffc3fdaf7deb477 [INFO] running `Command { std: "docker" "start" "-a" "4808cea30a01a455e126824778500605fab7100a0457688e5ffc3fdaf7deb477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4808cea30a01a455e126824778500605fab7100a0457688e5ffc3fdaf7deb477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4808cea30a01a455e126824778500605fab7100a0457688e5ffc3fdaf7deb477", kill_on_drop: false }` [INFO] [stdout] 4808cea30a01a455e126824778500605fab7100a0457688e5ffc3fdaf7deb477 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 060b042104fd8cad9184eec1fb7aa47c50ff2ac807cef05cca1635a855be12a1 [INFO] running `Command { std: "docker" "start" "-a" "060b042104fd8cad9184eec1fb7aa47c50ff2ac807cef05cca1635a855be12a1", 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: 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: 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 `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: 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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "060b042104fd8cad9184eec1fb7aa47c50ff2ac807cef05cca1635a855be12a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060b042104fd8cad9184eec1fb7aa47c50ff2ac807cef05cca1635a855be12a1", kill_on_drop: false }` [INFO] [stdout] 060b042104fd8cad9184eec1fb7aa47c50ff2ac807cef05cca1635a855be12a1