[INFO] cloning repository https://github.com/MaxVerevkin/swaystatus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxVerevkin/swaystatus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxVerevkin%2Fswaystatus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxVerevkin%2Fswaystatus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8525c1e648790d1f484d1baf0b26fe901d63131f
[INFO] checking MaxVerevkin/swaystatus against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxVerevkin%2Fswaystatus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MaxVerevkin/swaystatus
[INFO] finished tweaking git repo https://github.com/MaxVerevkin/swaystatus
[INFO] tweaked toml for git repo https://github.com/MaxVerevkin/swaystatus written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MaxVerevkin/swaystatus on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MaxVerevkin/swaystatus 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/MaxVerevkin/nl80211`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f80a29829c6d5d41808482d1103a4635d78aaef057fc36658c1051717cf33270", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "f80a29829c6d5d41808482d1103a4635d78aaef057fc36658c1051717cf33270", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "fd5276eb034299b6f4e21342e6d9fb4dc2295f7d078df7248877ae8389dbc3a3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling toml v0.5.8
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[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking swayipc-types v1.0.0
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[INFO] [stderr]    Compiling zbus_macros v2.0.1
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[INFO] [stderr]     Checking nl80211 v0.0.2 (https://github.com/MaxVerevkin/nl80211#2460b707)
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[INFO] [stdout] warning: unused imports: `Spacing` and `Widget`
[INFO] [stdout]  --> src/blocks/prelude.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::widget::{Spacing, State, Widget};
[INFO] [stdout]   |                         ^^^^^^^         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/blocks/battery.rs:356:43
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let calc_capacity = |(now, full)| (now / full * 100.0);
[INFO] [stdout]     |                                           ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 356 -         let calc_capacity = |(now, full)| (now / full * 100.0);
[INFO] [stdout] 356 +         let calc_capacity = |(now, full)| now / full * 100.0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Spacing` and `Widget`
[INFO] [stdout]  --> src/blocks/prelude.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::widget::{Spacing, State, Widget};
[INFO] [stdout]   |                         ^^^^^^^         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/blocks/battery.rs:356:43
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let calc_capacity = |(now, full)| (now / full * 100.0);
[INFO] [stdout]     |                                           ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 356 -         let calc_capacity = |(now, full)| (now / full * 100.0);
[INFO] [stdout] 356 +         let calc_capacity = |(now, full)| now / full * 100.0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 493 |     nix::unistd::execvp(&exe, &arg).unwrap();
[INFO] [stdout]     |     ---------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 494 |     unreachable!();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 493 |     nix::unistd::execvp(&exe, &arg).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `format_error` is never used
[INFO] [stdout]   --> src/errors.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait ResultExt<T> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn format_error<M: Into<ErrorMsg>>(self, message: M) -> Result<T>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config_error` is never used
[INFO] [stdout]    --> src/errors.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub trait OptionExt<T> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn config_error(self) -> Result<T>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/formatting.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct RunningFormat(Format, Handles);
[INFO] [stdout]     |            -------------         ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `RunningFormat` 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 `0` is never read
[INFO] [stdout]    --> src/formatting/formatter.rs:432:25
[INFO] [stdout]     |
[INFO] [stdout] 432 | pub struct FixFormatter(EngFixConfig);
[INFO] [stdout]     |            ------------ ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `FixFormatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wireless`, `tun`, `wg`, and `ppp` are never read
[INFO] [stdout]   --> src/netlink.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NetDevice {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub wireless: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub tun: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 20 |     pub wg: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |     pub ppp: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetDevice` has a derived impl for the trait `Debug`, but this is 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/wrappers.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn expand(&self) -> crate::errors::Result<Cow<str>> {
[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] 160 |     pub fn expand(&self) -> crate::errors::Result<Cow<'_, str>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 493 |     nix::unistd::execvp(&exe, &arg).unwrap();
[INFO] [stdout]     |     ---------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 494 |     unreachable!();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 493 |     nix::unistd::execvp(&exe, &arg).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `format_error` is never used
[INFO] [stdout]   --> src/errors.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait ResultExt<T> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn format_error<M: Into<ErrorMsg>>(self, message: M) -> Result<T>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config_error` is never used
[INFO] [stdout]    --> src/errors.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub trait OptionExt<T> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn config_error(self) -> Result<T>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/formatting.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct RunningFormat(Format, Handles);
[INFO] [stdout]     |            -------------         ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `RunningFormat` 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 `0` is never read
[INFO] [stdout]    --> src/formatting/formatter.rs:432:25
[INFO] [stdout]     |
[INFO] [stdout] 432 | pub struct FixFormatter(EngFixConfig);
[INFO] [stdout]     |            ------------ ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `FixFormatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wireless`, `tun`, `wg`, and `ppp` are never read
[INFO] [stdout]   --> src/netlink.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct NetDevice {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub wireless: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub tun: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 20 |     pub wg: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |     pub ppp: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetDevice` has a derived impl for the trait `Debug`, but this is 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/wrappers.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn expand(&self) -> crate::errors::Result<Cow<str>> {
[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] 160 |     pub fn expand(&self) -> crate::errors::Result<Cow<'_, str>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "fd5276eb034299b6f4e21342e6d9fb4dc2295f7d078df7248877ae8389dbc3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5276eb034299b6f4e21342e6d9fb4dc2295f7d078df7248877ae8389dbc3a3", kill_on_drop: false }`
[INFO] [stdout] fd5276eb034299b6f4e21342e6d9fb4dc2295f7d078df7248877ae8389dbc3a3
