[INFO] fetching crate glint 6.3.4...
[INFO] checking glint-6.3.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate glint 6.3.4 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate glint 6.3.4
[INFO] finished tweaking crates.io crate glint 6.3.4
[INFO] tweaked toml for crates.io crate glint 6.3.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate glint 6.3.4 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 glint 6.3.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4cdc7cad53fbf14b5d6f5b6010ef4cdfea7f47af695725e55fe7218267c9dc33
[INFO] running `Command { std: "docker" "start" "-a" "4cdc7cad53fbf14b5d6f5b6010ef4cdfea7f47af695725e55fe7218267c9dc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cdc7cad53fbf14b5d6f5b6010ef4cdfea7f47af695725e55fe7218267c9dc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdc7cad53fbf14b5d6f5b6010ef4cdfea7f47af695725e55fe7218267c9dc33", kill_on_drop: false }`
[INFO] [stdout] 4cdc7cad53fbf14b5d6f5b6010ef4cdfea7f47af695725e55fe7218267c9dc33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f7afc8fc29cdc2cdbd366908dc6f6890d596112ac49120b38c02f78be03b6c65
[INFO] running `Command { std: "docker" "start" "-a" "f7afc8fc29cdc2cdbd366908dc6f6890d596112ac49120b38c02f78be03b6c65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking glint v6.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/prompt/message_prompt.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MessagePrompt<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     config: &'a Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessagePrompt` has a derived impl for the trait `Debug`, but this is 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 `selected_index` is never read
[INFO] [stdout]   --> src/prompt/scope_prompt.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ScopePrompt<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     selected_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScopePrompt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_row` is never read
[INFO] [stdout]    --> src/term_buffer.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | struct State {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     first_row: u16,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/git/parse_log.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_conventional(&self) -> Option<Conventional> {
[INFO] [stdout]    |                            ^^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_conventional(&self) -> Option<Conventional<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/prompt/message_prompt.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MessagePrompt<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     config: &'a Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessagePrompt` has a derived impl for the trait `Debug`, but this is 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 `selected_index` is never read
[INFO] [stdout]   --> src/prompt/scope_prompt.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ScopePrompt<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     selected_index: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScopePrompt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_row` is never read
[INFO] [stdout]    --> src/term_buffer.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | struct State {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     first_row: u16,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/git/parse_log.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_conventional(&self) -> Option<Conventional> {
[INFO] [stdout]    |                            ^^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_conventional(&self) -> Option<Conventional<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `all` is never read
[INFO] [stdout]   --> src/cli.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Commit {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub all: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `scope`, and `json` are never read
[INFO] [stdout]   --> src/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Log {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub ty: Option<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub scope: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub json: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `all` is never read
[INFO] [stdout]   --> src/cli.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Commit {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub all: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `scope`, and `json` are never read
[INFO] [stdout]   --> src/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Log {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub ty: Option<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub scope: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub json: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// Sets the 'type' component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 7 | |     #[structopt(short, long)]
[INFO] [stdout] 8 | |     pub ty: Option<String>,
[INFO] [stdout]   | |__________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Sets the 'scope' component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 11 | |     #[structopt(short, long)]
[INFO] [stdout] 12 | |     pub scope: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Sets the main message component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 15 | |     #[structopt(short, long)]
[INFO] [stdout] 16 | |     pub message: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// Arguments which will be passed to 'git commit'.
[INFO] [stdout] 22 | |     /// Pass a '--' argument before the git args to disable special parsing.
[INFO] [stdout] 23 | |     #[structopt(short, long)]
[INFO] [stdout] 24 | |     pub git_args: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Filter by 'type' e.g. 'feat'
[INFO] [stdout] 30 | |     #[structopt(short, long)]
[INFO] [stdout] 31 | |     pub ty: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Filter by 'scope' e.g. 'client'
[INFO] [stdout] 34 | |     #[structopt(short, long)]
[INFO] [stdout] 35 | |     pub scope: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Arguments which will be passed to 'git log'. Note that certain
[INFO] [stdout] 50 | |     /// options will break the command. Passing file paths/prefixes is
[INFO] [stdout] 51 | |     /// typical usage.
[INFO] [stdout] 52 | |     pub git_args: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// Sets the 'type' component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 7 | |     #[structopt(short, long)]
[INFO] [stdout] 8 | |     pub ty: Option<String>,
[INFO] [stdout]   | |__________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Sets the 'scope' component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 11 | |     #[structopt(short, long)]
[INFO] [stdout] 12 | |     pub scope: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Sets the main message component of the commit (optional; otherwise interactive prompt)
[INFO] [stdout] 15 | |     #[structopt(short, long)]
[INFO] [stdout] 16 | |     pub message: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// Arguments which will be passed to 'git commit'.
[INFO] [stdout] 22 | |     /// Pass a '--' argument before the git args to disable special parsing.
[INFO] [stdout] 23 | |     #[structopt(short, long)]
[INFO] [stdout] 24 | |     pub git_args: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Filter by 'type' e.g. 'feat'
[INFO] [stdout] 30 | |     #[structopt(short, long)]
[INFO] [stdout] 31 | |     pub ty: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Filter by 'scope' e.g. 'client'
[INFO] [stdout] 34 | |     #[structopt(short, long)]
[INFO] [stdout] 35 | |     pub scope: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Arguments which will be passed to 'git log'. Note that certain
[INFO] [stdout] 50 | |     /// options will break the command. Passing file paths/prefixes is
[INFO] [stdout] 51 | |     /// typical usage.
[INFO] [stdout] 52 | |     pub git_args: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glint` (bin "glint") due to 7 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `glint` (bin "glint" test) due to 7 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f7afc8fc29cdc2cdbd366908dc6f6890d596112ac49120b38c02f78be03b6c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7afc8fc29cdc2cdbd366908dc6f6890d596112ac49120b38c02f78be03b6c65", kill_on_drop: false }`
[INFO] [stdout] f7afc8fc29cdc2cdbd366908dc6f6890d596112ac49120b38c02f78be03b6c65
