[INFO] fetching crate graphlib 0.6.2... [INFO] testing graphlib-0.6.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate graphlib 0.6.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate graphlib 0.6.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate graphlib 0.6.2 [INFO] finished tweaking crates.io crate graphlib 0.6.2 [INFO] tweaked toml for crates.io crate graphlib 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate graphlib 0.6.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d75278aa0f4aa6eb0676fbc4d88cfd1db572a9581ba9369a0f1ab1edb55dba7 [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" "1d75278aa0f4aa6eb0676fbc4d88cfd1db572a9581ba9369a0f1ab1edb55dba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d75278aa0f4aa6eb0676fbc4d88cfd1db572a9581ba9369a0f1ab1edb55dba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d75278aa0f4aa6eb0676fbc4d88cfd1db572a9581ba9369a0f1ab1edb55dba7", kill_on_drop: false }` [INFO] [stdout] 1d75278aa0f4aa6eb0676fbc4d88cfd1db572a9581ba9369a0f1ab1edb55dba7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba1755942e012d4cbb3207f29aaacfb5c4e3808fbcd17a20fbcaac3ce30b54e3 [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" "ba1755942e012d4cbb3207f29aaacfb5c4e3808fbcd17a20fbcaac3ce30b54e3", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling ahash v0.2.18 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling rand_isaac v0.2.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling graphlib v0.6.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/graph.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `next_ptr` is never read [INFO] [stdout] --> src/iterators/bfs.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | let mut next_ptr = None; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `matches` [INFO] [stdout] --> src/edge.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `matches_any` [INFO] [stdout] --> src/edge.rs:49:19 [INFO] [stdout] | [INFO] [stdout] 49 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/iterators/topo.rs:75:28 [INFO] [stdout] | [INFO] [stdout] 75 | panic!(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 75 | panic!("{}", PANIC_MSG); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 75 | std::panic::panic_any(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `Command { std: "docker" "inspect" "ba1755942e012d4cbb3207f29aaacfb5c4e3808fbcd17a20fbcaac3ce30b54e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba1755942e012d4cbb3207f29aaacfb5c4e3808fbcd17a20fbcaac3ce30b54e3", kill_on_drop: false }` [INFO] [stdout] ba1755942e012d4cbb3207f29aaacfb5c4e3808fbcd17a20fbcaac3ce30b54e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5220e13de0af6e13737f852eea499b33db71215b2bc07cc70e9224052abc36f [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" "b5220e13de0af6e13737f852eea499b33db71215b2bc07cc70e9224052abc36f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/graph.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `next_ptr` is never read [INFO] [stdout] --> src/iterators/bfs.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | let mut next_ptr = None; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `matches` [INFO] [stdout] --> src/edge.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `matches_any` [INFO] [stdout] --> src/edge.rs:49:19 [INFO] [stdout] | [INFO] [stdout] 49 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/iterators/topo.rs:75:28 [INFO] [stdout] | [INFO] [stdout] 75 | panic!(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 75 | panic!("{}", PANIC_MSG); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 75 | std::panic::panic_any(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling graphlib v0.6.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> examples/dot.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut f = File::create("example1.dot").unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> examples/dot.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut f = File::create("example1.dot").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 import: `std::mem` [INFO] [stdout] --> src/graph.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/graph.rs:1778:13 [INFO] [stdout] | [INFO] [stdout] 1778 | let id = VertexId::random(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `next_ptr` is never read [INFO] [stdout] --> src/iterators/bfs.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | let mut next_ptr = None; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [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/iterators/dijkstra.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let mut iterator = Dijkstra::new(&graph, &v1).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: associated function is never used: `matches` [INFO] [stdout] --> src/edge.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `matches_any` [INFO] [stdout] --> src/edge.rs:49:19 [INFO] [stdout] | [INFO] [stdout] 49 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/iterators/topo.rs:75:28 [INFO] [stdout] | [INFO] [stdout] 75 | panic!(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 75 | panic!("{}", PANIC_MSG); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 75 | std::panic::panic_any(PANIC_MSG); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dfs.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | graph.add_edge(&v1, &v2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dfs.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | graph.add_edge(&v3, &v2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | graph.add_edge_with_weight(&v1, &v2, -0.1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | graph.add_edge_with_weight(&v2, &v1, 0.1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 260 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/iterators/dijkstra.rs:315:9 [INFO] [stdout] | [INFO] [stdout] 315 | iterator.set_source(&v_c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 26.99s [INFO] running `Command { std: "docker" "inspect" "b5220e13de0af6e13737f852eea499b33db71215b2bc07cc70e9224052abc36f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5220e13de0af6e13737f852eea499b33db71215b2bc07cc70e9224052abc36f", kill_on_drop: false }` [INFO] [stdout] b5220e13de0af6e13737f852eea499b33db71215b2bc07cc70e9224052abc36f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 8a1d4349b6a354f5bddc0dbc246d678aa626c44df8a431583a699387e3fe637f [INFO] running `Command { std: "docker" "start" "-a" "8a1d4349b6a354f5bddc0dbc246d678aa626c44df8a431583a699387e3fe637f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/graph.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `next_ptr` is never read [INFO] [stderr] --> src/iterators/bfs.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | let mut next_ptr = None; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `matches` [INFO] [stderr] --> src/edge.rs:43:19 [INFO] [stderr] | [INFO] [stderr] 43 | pub(crate) fn matches(&self, a: &VertexId, b: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `matches_any` [INFO] [stderr] --> src/edge.rs:49:19 [INFO] [stderr] | [INFO] [stderr] 49 | pub(crate) fn matches_any(&self, id: &VertexId) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/iterators/topo.rs:75:28 [INFO] [stderr] | [INFO] [stderr] 75 | panic!(PANIC_MSG); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 75 | panic!("{}", PANIC_MSG); [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 75 | std::panic::panic_any(PANIC_MSG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `graphlib` (lib) generated 5 warnings [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> examples/dot.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> examples/dot.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/graph.rs:1778:13 [INFO] [stderr] | [INFO] [stderr] 1778 | let id = VertexId::random(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterators/dijkstra.rs:247:13 [INFO] [stderr] | [INFO] [stderr] 247 | let mut iterator = Dijkstra::new(&graph, &v1).unwrap(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | graph.add_edge(&v3, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:202:9 [INFO] [stderr] | [INFO] [stderr] 202 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:215:9 [INFO] [stderr] | [INFO] [stderr] 215 | graph.add_edge_with_weight(&v1, &v2, -0.1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | graph.add_edge_with_weight(&v2, &v1, 0.1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:245:9 [INFO] [stderr] | [INFO] [stderr] 245 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:260:9 [INFO] [stderr] | [INFO] [stderr] 260 | graph.add_edge_with_weight(&v1, &v2, 0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/iterators/dijkstra.rs:315:9 [INFO] [stderr] | [INFO] [stderr] 315 | iterator.set_source(&v_c); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `graphlib` (example "dot") generated 2 warnings [INFO] [stderr] warning: `graphlib` (lib test) generated 16 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/graphlib-f7ab4397894a7e2b) [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test graph::tests::dfs ... ok [INFO] [stdout] test graph::tests::dfs_mul_roots ... ok [INFO] [stdout] test graph::tests::test_add_edge_cycle_check ... ok [INFO] [stdout] test graph::tests::test_clonable ... ok [INFO] [stdout] test graph::tests::test_remove_edge ... ok [INFO] [stdout] test iterators::dfs::tests::cycle_self_edge ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_on_connected_graphs ... ok [INFO] [stdout] test iterators::owning_iterator::tests::it_yields_correct_vertex_ids ... ok [INFO] [stdout] test iterators::topo::tests::is_cyclic ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_on_unweighted_graph ... ok [INFO] [stdout] test graph::tests::test_non_clonable_type ... ok [INFO] [stdout] test graph::tests::is_thread_safe ... ok [INFO] [stdout] test iterators::topo::tests::was_cyclic ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_new_with_invalid_source ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_get_distance_with_invalid_vertex ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_set_source_with_invalid_vertex ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_new_with_negative_weight_edge ... ok [INFO] [stdout] test iterators::dfs::tests::not_cyclic_edge_split_merge ... ok [INFO] [stdout] test iterators::dfs::tests::not_cyclic_split_merge_continue ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_get_path_to_with_invalid_vertex ... ok [INFO] [stdout] test iterators::topo::tests::is_not_cyclic ... ok [INFO] [stdout] test iterators::dijkstra::tests::test_new_with_empty_graph ... ok [INFO] [stdout] test iterators::dfs::tests::not_cyclic ... ok [INFO] [stdout] test iterators::topo::tests::is_cyclic_and_panic - should panic ... ok [INFO] [stdout] test iterators::dfs::tests::not_cyclic_edge_to_successor ... ok [INFO] [stdout] test iterators::dfs::tests::is_cyclic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s [INFO] [stdout] [INFO] [stderr] Doc-tests graphlib [INFO] [stdout] [INFO] [stdout] running 39 tests [INFO] [stdout] test src/graph.rs - graph::Graph::capacity (line 151) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::fetch_mut (line 551) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::add_vertex (line 253) ... ok [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name graphlib --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-109d0d6b0ca94a56.rlib --extern graphlib=/opt/rustwide/target/debug/deps/libgraphlib-3c3c3ffae41ba21d.rlib --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-c738419c6c17f922.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-21054454e046aba0.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d13537f6cadae3f0.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-7c9fbae2e8da2631.rlib --extern rand_isaac=/opt/rustwide/target/debug/deps/librand_isaac-44994b90f26c00ba.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "8a1d4349b6a354f5bddc0dbc246d678aa626c44df8a431583a699387e3fe637f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a1d4349b6a354f5bddc0dbc246d678aa626c44df8a431583a699387e3fe637f", kill_on_drop: false }` [INFO] [stdout] 8a1d4349b6a354f5bddc0dbc246d678aa626c44df8a431583a699387e3fe637f