[INFO] fetching crate sesters 0.3.2...
[INFO] checking sesters-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sesters 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sesters 0.3.2
[INFO] finished tweaking crates.io crate sesters 0.3.2
[INFO] tweaked toml for crates.io crate sesters 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sesters 0.3.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sesters 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c953e8fd22a5cdaf54f429e44455095f5f637a31457bd9842a3835fe55366f7
[INFO] running `Command { std: "docker" "start" "-a" "5c953e8fd22a5cdaf54f429e44455095f5f637a31457bd9842a3835fe55366f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c953e8fd22a5cdaf54f429e44455095f5f637a31457bd9842a3835fe55366f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c953e8fd22a5cdaf54f429e44455095f5f637a31457bd9842a3835fe55366f7", kill_on_drop: false }`
[INFO] [stdout] 5c953e8fd22a5cdaf54f429e44455095f5f637a31457bd9842a3835fe55366f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f6a81ed71e70b5b64c690250d9eb294c3104b0c033d973c7846ee9f057e419
[INFO] running `Command { std: "docker" "start" "-a" "41f6a81ed71e70b5b64c690250d9eb294c3104b0c033d973c7846ee9f057e419", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
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[INFO] [stderr]     Checking sesters v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `rate` and `amount` are never read
[INFO] [stdout]    --> src/currency.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct ConversionError<'a, 'c, 'r> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 105 |     rate: &'r Rate<'c>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     amount: &'a PriceTag<'c>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConversionError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decimal_separators` is never read
[INFO] [stdout]   --> src/price_format.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct PriceFormat {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 97 |     decimal_separators: Vec<char>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PriceFormat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/price_in_text.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |         currency: &'c Currency,
[INFO] [stdout]    |                    -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 98 |     ) -> PriceTagMatch {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ) -> PriceTagMatch<'c> {
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn find<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTagMatch> {
[INFO] [stdout]     |                   ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn find<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTagMatch<'_>> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/price_in_text.rs:191:25
[INFO] [stdout]     |
[INFO] [stdout] 191 |                         distance.try_into().unwrap(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:220:33
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn all_price_tags<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTag> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn all_price_tags<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTag<'_>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn top_price_tags(&self, n: usize, plain_text: &str) -> Vec<PriceTag> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn top_price_tags(&self, n: usize, plain_text: &str) -> Vec<PriceTag<'_>> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sesters` (bin "sesters") due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `rate` and `amount` are never read
[INFO] [stdout]    --> src/currency.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct ConversionError<'a, 'c, 'r> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 105 |     rate: &'r Rate<'c>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     amount: &'a PriceTag<'c>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConversionError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decimal_separators` is never read
[INFO] [stdout]   --> src/price_format.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct PriceFormat {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 97 |     decimal_separators: Vec<char>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PriceFormat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/db/tests.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         &rate.cache_until().to_sql();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = &rate.cache_until().to_sql();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/db/tests.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         &rates_uptodate;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let _ = &rates_uptodate;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/price_format.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 &price_format.regex;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let _ = &price_format.regex;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/price_in_text.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |         currency: &'c Currency,
[INFO] [stdout]    |                    -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 98 |     ) -> PriceTagMatch {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ) -> PriceTagMatch<'c> {
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn find<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTagMatch> {
[INFO] [stdout]     |                   ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn find<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTagMatch<'_>> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i32, Infallible>
[INFO] [stdout]    --> src/price_in_text.rs:191:25
[INFO] [stdout]     |
[INFO] [stdout] 191 |                         distance.try_into().unwrap(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:220:33
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn all_price_tags<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTag> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn all_price_tags<'txt>(&self, plain_text: &'txt str) -> Vec<PriceTag<'_>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/price_in_text.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn top_price_tags(&self, n: usize, plain_text: &str) -> Vec<PriceTag> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn top_price_tags(&self, n: usize, plain_text: &str) -> Vec<PriceTag<'_>> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sesters` (bin "sesters" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "41f6a81ed71e70b5b64c690250d9eb294c3104b0c033d973c7846ee9f057e419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f6a81ed71e70b5b64c690250d9eb294c3104b0c033d973c7846ee9f057e419", kill_on_drop: false }`
[INFO] [stdout] 41f6a81ed71e70b5b64c690250d9eb294c3104b0c033d973c7846ee9f057e419
