[INFO] fetching crate sesters 0.1.3...
[INFO] checking sesters-0.1.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate sesters 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sesters 0.1.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sesters 0.1.3
[INFO] finished tweaking crates.io crate sesters 0.1.3
[INFO] tweaked toml for crates.io crate sesters 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a8392c837ed897d1fc7f58a91dd30ae7acc1b71b02e6a2eb9717831997c0d34
[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" "0a8392c837ed897d1fc7f58a91dd30ae7acc1b71b02e6a2eb9717831997c0d34"`
[INFO] [stderr]     Checking directories v0.10.0
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking confy v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]     Checking kv v0.8.1
[INFO] [stderr]     Checking sesters v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let store = store_handle.write().unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_store`
[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/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut cfg = KvConfig::default(Path::new(&cfg.db_path));
[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: `isos`
[INFO] [stderr]   --> src/currency.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn isos(&self) -> &'static [&'static str] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `names`
[INFO] [stderr]   --> src/currency.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn names(&self) -> &'static [&'static str] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `symbols`
[INFO] [stderr]   --> src/currency.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn symbols(&self) -> &'static [&'static str] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/currency.rs:92:5
[INFO] [stderr]     |
[INFO] [stderr] 92  | /     pub fn new(
[INFO] [stderr] 93  | |         symbols: &'static [&'static str],
[INFO] [stderr] 94  | |         isos: &'static [&'static str],
[INFO] [stderr] 95  | |         names: &'static [&'static str],
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |         c
[INFO] [stderr] 106 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check`
[INFO] [stderr]    --> src/currency.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn check(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/config.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn set(c: Config) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/price_in_text.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn new(currency: &'c Currency, amount: f64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_currency_match`
[INFO] [stderr]    --> src/price_in_text.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn from_currency_match(cm: CurrencyMatch<'c>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/price_in_text.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     fn new(
[INFO] [stderr] 198 | |         amount: f64,
[INFO] [stderr] 199 | |         currency: &'c Currency,
[INFO] [stderr] 200 | |         distance: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 208 | |         }
[INFO] [stderr] 209 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iso_for_currency`
[INFO] [stderr]    --> src/price_in_text.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn iso_for_currency<'c>(c: &'c Currency, text: &str) -> Option<CurrencyMatch<'c>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iso`
[INFO] [stderr]    --> src/price_in_text.rs:255:1
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn iso<'c>(currencies: &'c Vec<Currency>, text: &str) -> Option<CurrencyAmount<'c>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parity`
[INFO] [stderr]   --> src/rate_db.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn parity(c: &'c Currency) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RateDb`
[INFO] [stderr]    --> src/rate_db.rs:154:1
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub struct RateDb<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BUCKET_NAME`
[INFO] [stderr]    --> src/rate_db.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | const BUCKET_NAME: &str = "rate";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/rate_db.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn new(kcfg: &mut KvConfig, store: &mut Store) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_rate`
[INFO] [stderr]    --> src/rate_db.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn get_rate<'c>(&self, txn: &Txn, src: &'c Currency, dst: &Currency) -> Option<Rate<'c>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_rate`
[INFO] [stderr]    --> src/rate_db.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn set_rate(&self, txn: &mut Txn<'a>, rate: Rate) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let store = store_handle.write().unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_store`
[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/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut cfg = KvConfig::default(Path::new(&cfg.db_path));
[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: `names`
[INFO] [stderr]   --> src/currency.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn names(&self) -> &'static [&'static str] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `symbols`
[INFO] [stderr]   --> src/currency.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn symbols(&self) -> &'static [&'static str] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/currency.rs:92:5
[INFO] [stderr]     |
[INFO] [stderr] 92  | /     pub fn new(
[INFO] [stderr] 93  | |         symbols: &'static [&'static str],
[INFO] [stderr] 94  | |         isos: &'static [&'static str],
[INFO] [stderr] 95  | |         names: &'static [&'static str],
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |         c
[INFO] [stderr] 106 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/config.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn set(c: Config) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `short_txt`
[INFO] [stderr]   --> src/price_in_text.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     const short_txt: &'static str = "short";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `long_txt`
[INFO] [stderr]   --> src/price_in_text.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     const long_txt: &'static str = "some quite loooooooooooooooooooooooooooong text";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parity`
[INFO] [stderr]   --> src/rate_db.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn parity(c: &'c Currency) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RateDb`
[INFO] [stderr]    --> src/rate_db.rs:154:1
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub struct RateDb<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BUCKET_NAME`
[INFO] [stderr]    --> src/rate_db.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | const BUCKET_NAME: &str = "rate";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/rate_db.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn new(kcfg: &mut KvConfig, store: &mut Store) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_rate`
[INFO] [stderr]    --> src/rate_db.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn get_rate<'c>(&self, txn: &Txn, src: &'c Currency, dst: &Currency) -> Option<Rate<'c>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_rate`
[INFO] [stderr]    --> src/rate_db.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn set_rate(&self, txn: &mut Txn<'a>, rate: Rate) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `short_txt` should have an upper case name
[INFO] [stderr]   --> src/price_in_text.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |     const short_txt: &'static str = "short";
[INFO] [stderr]    |           ^^^^^^^^^ help: convert the identifier to upper case: `SHORT_TXT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `long_txt` should have an upper case name
[INFO] [stderr]   --> src/price_in_text.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 |     const long_txt: &'static str = "some quite loooooooooooooooooooooooooooong text";
[INFO] [stderr]    |           ^^^^^^^^ help: convert the identifier to upper case: `LONG_TXT`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `"docker" "inspect" "0a8392c837ed897d1fc7f58a91dd30ae7acc1b71b02e6a2eb9717831997c0d34"`
[INFO] running `"docker" "rm" "-f" "0a8392c837ed897d1fc7f58a91dd30ae7acc1b71b02e6a2eb9717831997c0d34"`
[INFO] [stdout] 0a8392c837ed897d1fc7f58a91dd30ae7acc1b71b02e6a2eb9717831997c0d34