[INFO] updating cached repository https://github.com/jonakieling/realms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 6edfb497db7d4d7909d15f70f0337388534f1e86
[INFO] testing jonakieling/realms against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonakieling%2Frealms" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonakieling/realms on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonakieling/realms
[INFO] finished tweaking git repo https://github.com/jonakieling/realms
[INFO] tweaked toml for git repo https://github.com/jonakieling/realms written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jonakieling/realms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 99874e084e80cb7448a2a69fe253fc434cd06e52db734f7793e91c0589d6c010
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "99874e084e80cb7448a2a69fe253fc434cd06e52db734f7793e91c0589d6c010"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling tui v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling realms v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(unused_variables)]` on by default
[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] 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: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: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: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: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: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: 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: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:56:44
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 ["cId", "request", "time"].into_iter(),
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:78:51
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ["cId", "uuid", "realms", "time"].into_iter(),
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/server_dashboard.rs:105:41
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 ["rId", "age", "title"].into_iter(),
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.08s
[INFO] running `"docker" "inspect" "99874e084e80cb7448a2a69fe253fc434cd06e52db734f7793e91c0589d6c010"`
[INFO] running `"docker" "rm" "-f" "99874e084e80cb7448a2a69fe253fc434cd06e52db734f7793e91c0589d6c010"`
[INFO] [stdout] 99874e084e80cb7448a2a69fe253fc434cd06e52db734f7793e91c0589d6c010
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 296f3e04a8e0b084687b6cac963e6be65d675b1bc5b3c90251db9c1b0bac9f79
[INFO] running `"docker" "start" "-a" "296f3e04a8e0b084687b6cac963e6be65d675b1bc5b3c90251db9c1b0bac9f79"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling realms v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(unused_variables)]` on by default
[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] 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: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: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: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: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: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: 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: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:56:44
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 ["cId", "request", "time"].into_iter(),
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:78:51
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ["cId", "uuid", "realms", "time"].into_iter(),
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/server_dashboard.rs:105:41
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 ["rId", "age", "title"].into_iter(),
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `"docker" "inspect" "296f3e04a8e0b084687b6cac963e6be65d675b1bc5b3c90251db9c1b0bac9f79"`
[INFO] running `"docker" "rm" "-f" "296f3e04a8e0b084687b6cac963e6be65d675b1bc5b3c90251db9c1b0bac9f79"`
[INFO] [stdout] 296f3e04a8e0b084687b6cac963e6be65d675b1bc5b3c90251db9c1b0bac9f79
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51e09b261f637ed203f97fe1b2aa9ec7c5a97eb2f85280d4df1b2236f793256f
[INFO] running `"docker" "start" "-a" "51e09b261f637ed203f97fe1b2aa9ec7c5a97eb2f85280d4df1b2236f793256f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    = note: `#[warn(unused_variables)]` on by default
[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] 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: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: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: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: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: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: 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: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:56:44
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 ["cId", "request", "time"].into_iter(),
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/server_dashboard.rs:78:51
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ["cId", "uuid", "realms", "time"].into_iter(),
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/server_dashboard.rs:105:41
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 ["rId", "age", "title"].into_iter(),
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/realms-ecf525a6a54e4fce
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51e09b261f637ed203f97fe1b2aa9ec7c5a97eb2f85280d4df1b2236f793256f"`
[INFO] running `"docker" "rm" "-f" "51e09b261f637ed203f97fe1b2aa9ec7c5a97eb2f85280d4df1b2236f793256f"`
[INFO] [stdout] 51e09b261f637ed203f97fe1b2aa9ec7c5a97eb2f85280d4df1b2236f793256f