[INFO] updating cached repository jonakieling/realms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonakieling/realms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonakieling/realms" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jonakieling/realms"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jonakieling/realms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonakieling/realms" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jonakieling/realms"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jonakieling/realms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6edfb497db7d4d7909d15f70f0337388534f1e86
[INFO] sha for GitHub repo jonakieling/realms: 6edfb497db7d4d7909d15f70f0337388534f1e86
[INFO] validating manifest of jonakieling/realms on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonakieling/realms on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonakieling/realms
[INFO] finished frobbing jonakieling/realms
[INFO] frobbed toml for jonakieling/realms written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jonakieling/realms/Cargo.toml
[INFO] started frobbing jonakieling/realms
[INFO] finished frobbing jonakieling/realms
[INFO] frobbed toml for jonakieling/realms written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jonakieling/realms/Cargo.toml
[INFO] crate jonakieling/realms already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jonakieling/realms against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jonakieling/realms:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 512159b80907f8333bb297c4d99609ecbeb5e5f0b8a5806e14ce6cf5f540ed69
[INFO] running `"docker" "start" "-a" "512159b80907f8333bb297c4d99609ecbeb5e5f0b8a5806e14ce6cf5f540ed69"`
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking realms v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]   --> src/tokens.rs:87:49
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]   --> src/tokens.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]   --> src/tokens.rs:96:49
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]   --> src/tokens.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]    --> src/tokens.rs:117:49
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]    --> src/tokens.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]    --> src/tokens.rs:134:49
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]    --> src/tokens.rs:134:33
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]   --> src/tokens.rs:87:49
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]   --> src/tokens.rs:87:33
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]   --> src/tokens.rs:96:49
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]   --> src/tokens.rs:96:33
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]    --> src/tokens.rs:117:49
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]    --> src/tokens.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `template`
[INFO] [stderr]    --> src/tokens.rs:134:49
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                                 ^^^^^^^^ help: try ignoring the field: `template: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant`
[INFO] [stderr]    --> src/tokens.rs:134:33
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Some(RealmStrategy {variant, realm, template}) => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `variant: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut glimpse = Arc::clone(&universe);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:156:14
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let mut strategy = RealmStrategy::new(id, RealmVariant::Tutorial);
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:173:15
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 let mut strategy = RealmStrategy::new(id, RealmVariant::Tutorial);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut glimpse = Arc::clone(&universe);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:156:14
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let mut strategy = RealmStrategy::new(id, RealmVariant::Tutorial);
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:173:15
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 let mut strategy = RealmStrategy::new(id, RealmVariant::Tutorial);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_current`
[INFO] [stderr]   --> src/utility.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn extract_current(&mut self) -> Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]    --> src/utility.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn iter_mut(&mut self) -> slice::IterMut<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/utility.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last`
[INFO] [stderr]    --> src/utility.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn last(&mut self) -> Option<&T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/utility.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_current`
[INFO] [stderr]   --> src/utility.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn extract_current(&mut self) -> Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]    --> src/utility.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn iter_mut(&mut self) -> slice::IterMut<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/utility.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last`
[INFO] [stderr]    --> src/utility.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn last(&mut self) -> Option<&T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/utility.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "512159b80907f8333bb297c4d99609ecbeb5e5f0b8a5806e14ce6cf5f540ed69"`
[INFO] running `"docker" "rm" "-f" "512159b80907f8333bb297c4d99609ecbeb5e5f0b8a5806e14ce6cf5f540ed69"`
[INFO] [stdout] 512159b80907f8333bb297c4d99609ecbeb5e5f0b8a5806e14ce6cf5f540ed69