[INFO] fetching crate saboten 0.1.2-alpha.3...
[INFO] testing saboten-0.1.2-alpha.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate saboten 0.1.2-alpha.3 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate saboten 0.1.2-alpha.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saboten 0.1.2-alpha.3
[INFO] finished tweaking crates.io crate saboten 0.1.2-alpha.3
[INFO] tweaked toml for crates.io crate saboten 0.1.2-alpha.3 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5229f58f7da8f32b25a5567632bd30d8b061c0a3275eb08fe72e9e876f1a2583
[INFO] running `Command { std: "docker" "start" "-a" "5229f58f7da8f32b25a5567632bd30d8b061c0a3275eb08fe72e9e876f1a2583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5229f58f7da8f32b25a5567632bd30d8b061c0a3275eb08fe72e9e876f1a2583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5229f58f7da8f32b25a5567632bd30d8b061c0a3275eb08fe72e9e876f1a2583", kill_on_drop: false }`
[INFO] [stdout] 5229f58f7da8f32b25a5567632bd30d8b061c0a3275eb08fe72e9e876f1a2583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64cd0b3e426e1236b8a63bb71c2d83198d5aee27816235c2f9b8616984b99765
[INFO] running `Command { std: "docker" "start" "-a" "64cd0b3e426e1236b8a63bb71c2d83198d5aee27816235c2f9b8616984b99765", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling gfa v0.10.0
[INFO] [stderr]    Compiling three-edge-connected v0.2.2
[INFO] [stderr]    Compiling saboten v0.1.2-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `id_to_black_edge`
[INFO] [stdout]  --> src/biedgedgraph.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::projection::{id_to_black_edge, Projection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Biedged`
[INFO] [stdout]  --> src/biedgedgraph.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::snarls::{Biedged, Node};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SnarlMapIter`, `SnarlType`
[INFO] [stdout]   --> src/cactusgraph.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Biedged, Bridge, Cactus, Node, Snarl, SnarlMap, SnarlMapIter, SnarlType,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChainEdges`
[INFO] [stdout]  --> src/netgraph.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cactusgraph::{CactusTree, ChainEdges};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `trace`
[INFO] [stdout]  --> src/snarls.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, trace};
[INFO] [stdout]   |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_inv`
[INFO] [stdout]    --> src/cactusgraph.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let b_inv = inv_proj.get(&b.id).unwrap();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_inv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertices`
[INFO] [stdout]    --> src/cactusgraph.rs:877:9
[INFO] [stdout]     |
[INFO] [stdout] 877 |         vertices: &FxHashSet<Node>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cactus_tree`
[INFO] [stdout]   --> src/netgraph.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         cactus_tree: &CactusTree,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cactus_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black_edge_cycle_rank`
[INFO] [stdout]    --> src/cactusgraph.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout] 502 |     fn black_edge_cycle_rank(&self, x: Node) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `Command { std: "docker" "inspect" "64cd0b3e426e1236b8a63bb71c2d83198d5aee27816235c2f9b8616984b99765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cd0b3e426e1236b8a63bb71c2d83198d5aee27816235c2f9b8616984b99765", kill_on_drop: false }`
[INFO] [stdout] 64cd0b3e426e1236b8a63bb71c2d83198d5aee27816235c2f9b8616984b99765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1dee51b4ce1f18340bb68400ecb893f9d682b2a5c3509c8ae9c89f119cf4e79
[INFO] running `Command { std: "docker" "start" "-a" "a1dee51b4ce1f18340bb68400ecb893f9d682b2a5c3509c8ae9c89f119cf4e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unused import: `id_to_black_edge`
[INFO] [stdout]  --> src/biedgedgraph.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::projection::{id_to_black_edge, Projection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Biedged`
[INFO] [stdout]  --> src/biedgedgraph.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::snarls::{Biedged, Node};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SnarlMapIter`, `SnarlType`
[INFO] [stdout]   --> src/cactusgraph.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Biedged, Bridge, Cactus, Node, Snarl, SnarlMap, SnarlMapIter, SnarlType,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChainEdges`
[INFO] [stdout]  --> src/netgraph.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cactusgraph::{CactusTree, ChainEdges};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `trace`
[INFO] [stdout]  --> src/snarls.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, trace};
[INFO] [stdout]   |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_inv`
[INFO] [stdout]    --> src/cactusgraph.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let b_inv = inv_proj.get(&b.id).unwrap();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_inv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertices`
[INFO] [stdout]    --> src/cactusgraph.rs:877:9
[INFO] [stdout]     |
[INFO] [stdout] 877 |         vertices: &FxHashSet<Node>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cactus_tree`
[INFO] [stdout]   --> src/netgraph.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         cactus_tree: &CactusTree,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cactus_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black_edge_cycle_rank`
[INFO] [stdout]    --> src/cactusgraph.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout] 502 |     fn black_edge_cycle_rank(&self, x: Node) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling saboten v0.1.2-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `id_to_black_edge`
[INFO] [stdout]  --> src/biedgedgraph.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::projection::{id_to_black_edge, Projection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SnarlMapIter`, `SnarlType`
[INFO] [stdout]   --> src/cactusgraph.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Biedged, Bridge, Cactus, Node, Snarl, SnarlMap, SnarlMapIter, SnarlType,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChainEdges`
[INFO] [stdout]  --> src/netgraph.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::cactusgraph::{CactusTree, ChainEdges};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `trace`
[INFO] [stdout]  --> src/snarls.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, trace};
[INFO] [stdout]   |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> src/biedgedgraph.rs:611:42
[INFO] [stdout]     |
[INFO] [stdout] 611 |     fn example_graph_2() -> BiedgedGraph<Node<Biedged>> {
[INFO] [stdout]     |                                          ^^^^--------- help: remove these generics
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          expected 0 generic arguments
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]    --> src/snarls.rs:20:12
[INFO] [stdout]     |
[INFO] [stdout] 20  | pub struct Node {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saboten`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a1dee51b4ce1f18340bb68400ecb893f9d682b2a5c3509c8ae9c89f119cf4e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dee51b4ce1f18340bb68400ecb893f9d682b2a5c3509c8ae9c89f119cf4e79", kill_on_drop: false }`
[INFO] [stdout] a1dee51b4ce1f18340bb68400ecb893f9d682b2a5c3509c8ae9c89f119cf4e79
