[INFO] crate global-supertrees 0.1.0 is already in cache
[INFO] checking global-supertrees-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate global-supertrees 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate global-supertrees 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate global-supertrees 0.1.0
[INFO] finished tweaking crates.io crate global-supertrees 0.1.0
[INFO] tweaked toml for crates.io crate global-supertrees 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b450dc1472195b58ad239ae87918fb8e2fbcbe66bfc612ba9cef9b19ef1f1c49
[INFO] running `"docker" "start" "-a" "b450dc1472195b58ad239ae87918fb8e2fbcbe66bfc612ba9cef9b19ef1f1c49"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.109
[INFO] [stderr]     Checking serde v1.0.109
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking global-supertrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:54:92
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn cache_mapping(mapping : &BTreeMap<[u8; 10], u32>, path : &String) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:61:82
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn load_cache_mapping(path : &String) -> Result<BTreeMap<[u8; 10], u32>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:54:92
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn cache_mapping(mapping : &BTreeMap<[u8; 10], u32>, path : &String) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:61:82
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn load_cache_mapping(path : &String) -> Result<BTreeMap<[u8; 10], u32>, Box<Error>> {
[INFO] [stderr]    |                                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/tree_merging.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trees`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let trees : Vec<graph_tree::Tree> = distance_matrices.par_iter().map(| dm | dm.neighbour_joining()).collect();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_trees`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `distance_matrices`
[INFO] [stderr]   --> src/tree_merging.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let distance_matrices: Vec<TreeDistanceMatrix> =
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance_matrices`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_distance_matrices`
[INFO] [stderr]    --> src/tree_merging.rs:102:4
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn merge_distance_matrices(dms: Vec<TreeDistanceMatrix>) -> TreeDistanceMatrix {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/tree_merging.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trees`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let trees : Vec<graph_tree::Tree> = distance_matrices.par_iter().map(| dm | dm.neighbour_joining()).collect();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_trees`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `distance_matrices`
[INFO] [stderr]   --> src/tree_merging.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let distance_matrices: Vec<TreeDistanceMatrix> =
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance_matrices`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_distance_matrices`
[INFO] [stderr]    --> src/tree_merging.rs:102:4
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn merge_distance_matrices(dms: Vec<TreeDistanceMatrix>) -> TreeDistanceMatrix {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.86s
[INFO] running `"docker" "inspect" "b450dc1472195b58ad239ae87918fb8e2fbcbe66bfc612ba9cef9b19ef1f1c49"`
[INFO] running `"docker" "rm" "-f" "b450dc1472195b58ad239ae87918fb8e2fbcbe66bfc612ba9cef9b19ef1f1c49"`
[INFO] [stdout] b450dc1472195b58ad239ae87918fb8e2fbcbe66bfc612ba9cef9b19ef1f1c49