[INFO] updating cached repository https://github.com/woohp/foo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfcbd0368f286b7d5d557f05e23a93a7b2a75e28
[INFO] testing woohp/foo against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoohp%2Ffoo" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woohp/foo on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/woohp/foo
[INFO] finished tweaking git repo https://github.com/woohp/foo
[INFO] tweaked toml for git repo https://github.com/woohp/foo written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/woohp/foo already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c13ec77d5cdb64833e388e36b36496579e6487b32040e23a4d12eaf52661d00c
[INFO] running `"docker" "start" "-a" "c13ec77d5cdb64833e388e36b36496579e6487b32040e23a4d12eaf52661d00c"`
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:182:14
[INFO] [stderr]     |
[INFO] [stderr] 182 |         b'0' ... b'9' => {
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/kademlia.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn add(&mut self, node: Node) -> bool {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_node`
[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/kademlia.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |             let mut val = datum1 + datum2 + carry as u64;
[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: method is never used: `new`
[INFO] [stderr]   --> src/kademlia.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(a: u32, b: u32, c: u32, d: u32, e: u32) -> NodeId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `midpoint`
[INFO] [stderr]   --> src/kademlia.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn midpoint(&self, other: NodeId) -> NodeId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `plus_one`
[INFO] [stderr]   --> src/kademlia.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn plus_one(&self) -> NodeId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/kademlia.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn distance(&self, other: NodeId) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]    --> src/kademlia.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn distance(&self, other: Node) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `KBucket`
[INFO] [stderr]    --> src/kademlia.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | struct KBucket {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/kademlia.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn add(&mut self, node: Node) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]    --> src/kademlia.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn split(&self) -> (KBucket, KBucket) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_in_range`
[INFO] [stderr]    --> src/kademlia.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn has_in_range(&self, node: Node) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `depth`
[INFO] [stderr]    --> src/kademlia.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn depth(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RoutingTable`
[INFO] [stderr]    --> src/kademlia.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub struct RoutingTable {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/kademlia.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn add(&mut self, node: Node) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_bucket_for`
[INFO] [stderr]    --> src/kademlia.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn get_bucket_for(&self, node: &Node) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split_bucket`
[INFO] [stderr]    --> src/kademlia.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn split_bucket(&mut self, index: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "c13ec77d5cdb64833e388e36b36496579e6487b32040e23a4d12eaf52661d00c"`
[INFO] running `"docker" "rm" "-f" "c13ec77d5cdb64833e388e36b36496579e6487b32040e23a4d12eaf52661d00c"`
[INFO] [stdout] c13ec77d5cdb64833e388e36b36496579e6487b32040e23a4d12eaf52661d00c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 16adf062eceedeb1bcf0e9bc85255fe93b2c96d92c0143ec4095b7160d3c31ef
[INFO] running `"docker" "start" "-a" "16adf062eceedeb1bcf0e9bc85255fe93b2c96d92c0143ec4095b7160d3c31ef"`
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:182:14
[INFO] [stderr]     |
[INFO] [stderr] 182 |         b'0' ... b'9' => {
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/kademlia.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn add(&mut self, node: Node) -> bool {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_node`
[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/kademlia.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |             let mut val = datum1 + datum2 + carry as u64;
[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: method is never used: `distance`
[INFO] [stderr]    --> src/kademlia.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn distance(&self, other: Node) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `KBucket`
[INFO] [stderr]    --> src/kademlia.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | struct KBucket {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/kademlia.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn add(&mut self, node: Node) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]    --> src/kademlia.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn split(&self) -> (KBucket, KBucket) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_in_range`
[INFO] [stderr]    --> src/kademlia.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn has_in_range(&self, node: Node) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `depth`
[INFO] [stderr]    --> src/kademlia.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn depth(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RoutingTable`
[INFO] [stderr]    --> src/kademlia.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub struct RoutingTable {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/kademlia.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn add(&mut self, node: Node) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_bucket_for`
[INFO] [stderr]    --> src/kademlia.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn get_bucket_for(&self, node: &Node) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split_bucket`
[INFO] [stderr]    --> src/kademlia.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn split_bucket(&mut self, index: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "16adf062eceedeb1bcf0e9bc85255fe93b2c96d92c0143ec4095b7160d3c31ef"`
[INFO] running `"docker" "rm" "-f" "16adf062eceedeb1bcf0e9bc85255fe93b2c96d92c0143ec4095b7160d3c31ef"`
[INFO] [stdout] 16adf062eceedeb1bcf0e9bc85255fe93b2c96d92c0143ec4095b7160d3c31ef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3fc30b852af53b590cc2738be0a7a3d5a92644417ed7d069459c0ae76189509f
[INFO] running `"docker" "start" "-a" "3fc30b852af53b590cc2738be0a7a3d5a92644417ed7d069459c0ae76189509f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-f3aaf4280c9f6548
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test kademlia::tests::test_distance ... ok
[INFO] [stdout] test kademlia::tests::test_midpoint_simple_2 ... ok
[INFO] [stdout] test kademlia::tests::test_midpoint_simple ... ok
[INFO] [stdout] test kademlia::tests::test_plus_one_carry_over ... ok
[INFO] [stdout] test kademlia::tests::test_plus_one_carry_over_twice ... ok
[INFO] [stdout] test kademlia::tests::test_plus_one_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3fc30b852af53b590cc2738be0a7a3d5a92644417ed7d069459c0ae76189509f"`
[INFO] running `"docker" "rm" "-f" "3fc30b852af53b590cc2738be0a7a3d5a92644417ed7d069459c0ae76189509f"`
[INFO] [stdout] 3fc30b852af53b590cc2738be0a7a3d5a92644417ed7d069459c0ae76189509f