[INFO] fetching crate folia 0.0.4...
[INFO] checking folia-0.0.4 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate folia 0.0.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate folia 0.0.4 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folia 0.0.4
[INFO] finished tweaking crates.io crate folia 0.0.4
[INFO] tweaked toml for crates.io crate folia 0.0.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate folia 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2af6dcf5897812924cde379f37132cb3007927c32e27fa0b44ec50eed75f42d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2af6dcf5897812924cde379f37132cb3007927c32e27fa0b44ec50eed75f42d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af6dcf5897812924cde379f37132cb3007927c32e27fa0b44ec50eed75f42d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af6dcf5897812924cde379f37132cb3007927c32e27fa0b44ec50eed75f42d2", kill_on_drop: false }`
[INFO] [stdout] 2af6dcf5897812924cde379f37132cb3007927c32e27fa0b44ec50eed75f42d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2588f1279e8b096896605a8296f06f9443450575fddfc751b11d79d2e8449ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2588f1279e8b096896605a8296f06f9443450575fddfc751b11d79d2e8449ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking folia v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/document.rs:829:57
[INFO] [stdout]     |
[INFO] [stdout] 829 |                         declaration_key  = Some(deckey);;
[INFO] [stdout]     |                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/document.rs:829:57
[INFO] [stdout]     |
[INFO] [stdout] 829 |                         declaration_key  = Some(deckey);;
[INFO] [stdout]     |                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |             FoliaError::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:134:43
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 write!(f, "[{}] {}", self.description(),  err)
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |             FoliaError::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:134:43
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 write!(f, "[{}] {}", self.description(),  err)
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/store.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn assign_key(&mut self, key: Key) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/store.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn encode(&mut self, mut item: T, context: Option<Key>) -> Result<T,FoliaError> {
[INFO] [stdout]    |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/text.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let key = self.key().ok_or(FoliaError::KeyError("Element has no key".to_string()))?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `submetadata_type` is assigned to, but never used
[INFO] [stdout]    --> src/parser.rs:164:33
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   let mut submetadata_type: Option<String> = None;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_submetadata_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `submetadata_type` is never read
[INFO] [stdout]    --> src/parser.rs:173:45
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   submetadata_type = Some(value.clone());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tagstring`
[INFO] [stdout]    --> src/serialiser.rs:216:46
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 if let Some((end,elementtype,tagstring)) = stack.pop() {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagstring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tagstring`
[INFO] [stdout]    --> src/serialiser.rs:303:44
[INFO] [stdout]     |
[INFO] [stdout] 303 |         while let Some((end, _elementtype, tagstring)) = stack.pop() {
[INFO] [stdout]     |                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagstring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/store.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn encode(&mut self, mut item: T, context: Option<Key>) -> Result<T,FoliaError> {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/store.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn assign_key(&mut self, key: Key) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/store.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn encode(&mut self, mut item: T, context: Option<Key>) -> Result<T,FoliaError> {
[INFO] [stdout]    |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/text.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let key = self.key().ok_or(FoliaError::KeyError("Element has no key".to_string()))?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `submetadata_type` is assigned to, but never used
[INFO] [stdout]    --> src/parser.rs:164:33
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   let mut submetadata_type: Option<String> = None;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_submetadata_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `submetadata_type` is never read
[INFO] [stdout]    --> src/parser.rs:173:45
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   submetadata_type = Some(value.clone());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tagstring`
[INFO] [stdout]    --> src/serialiser.rs:216:46
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 if let Some((end,elementtype,tagstring)) = stack.pop() {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagstring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tagstring`
[INFO] [stdout]    --> src/serialiser.rs:303:44
[INFO] [stdout]     |
[INFO] [stdout] 303 |         while let Some((end, _elementtype, tagstring)) = stack.pop() {
[INFO] [stdout]     |                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagstring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/document.rs:490:25
[INFO] [stdout]     |
[INFO] [stdout] 490 |             if let Some(mut declaration) = self.get_mut_declaration(declaration_key.expect("get deckey")) {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/store.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn encode(&mut self, mut item: T, context: Option<Key>) -> Result<T,FoliaError> {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/document.rs:490:25
[INFO] [stdout]     |
[INFO] [stdout] 490 |             if let Some(mut declaration) = self.get_mut_declaration(declaration_key.expect("get deckey")) {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/bin/foliabenchmarkr.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut data = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/bin/foliabenchmarkr.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut count = 0;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/bin/foliabenchmarkr.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut data = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/bin/foliabenchmarkr.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut count = 0;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word2`
[INFO] [stdout]    --> tests/main.rs:921:17
[INFO] [stdout]     |
[INFO] [stdout] 921 |             let word2 = doc.annotate(sentence,
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_word2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.67s
[INFO] running `Command { std: "docker" "inspect" "e2588f1279e8b096896605a8296f06f9443450575fddfc751b11d79d2e8449ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2588f1279e8b096896605a8296f06f9443450575fddfc751b11d79d2e8449ec", kill_on_drop: false }`
[INFO] [stdout] e2588f1279e8b096896605a8296f06f9443450575fddfc751b11d79d2e8449ec
