[INFO] updating cached repository woohp/foo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/woohp/foo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/woohp/foo" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woohp/foo"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woohp/foo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/woohp/foo" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woohp/foo"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woohp/foo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfcbd0368f286b7d5d557f05e23a93a7b2a75e28
[INFO] sha for GitHub repo woohp/foo: cfcbd0368f286b7d5d557f05e23a93a7b2a75e28
[INFO] validating manifest of woohp/foo on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of woohp/foo on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing woohp/foo
[INFO] finished frobbing woohp/foo
[INFO] frobbed toml for woohp/foo written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/woohp/foo/Cargo.toml
[INFO] started frobbing woohp/foo
[INFO] finished frobbing woohp/foo
[INFO] frobbed toml for woohp/foo written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woohp/foo/Cargo.toml
[INFO] crate woohp/foo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking woohp/foo against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/woohp/foo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef5de7fda1d228fdb45e3c794a5411a1afd5f8855edaccab6a8e15463a2391cd
[INFO] running `"docker" "start" "-a" "ef5de7fda1d228fdb45e3c794a5411a1afd5f8855edaccab6a8e15463a2391cd"`
[INFO] [stderr]     Checking main v0.0.1 (/opt/crater/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: `...` 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: 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] 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" "ef5de7fda1d228fdb45e3c794a5411a1afd5f8855edaccab6a8e15463a2391cd"`
[INFO] running `"docker" "rm" "-f" "ef5de7fda1d228fdb45e3c794a5411a1afd5f8855edaccab6a8e15463a2391cd"`
[INFO] [stdout] ef5de7fda1d228fdb45e3c794a5411a1afd5f8855edaccab6a8e15463a2391cd