[INFO] fetching crate lpsettings 0.2.3...
[INFO] checking lpsettings-0.2.3 against beta for pr-78714
[INFO] extracting crate lpsettings 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lpsettings 0.2.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lpsettings 0.2.3
[INFO] finished tweaking crates.io crate lpsettings 0.2.3
[INFO] tweaked toml for crates.io crate lpsettings 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461c093612ca28d366d5b53aebab702abcf3405ab4df917c3f18fceec2ef7814
[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" "461c093612ca28d366d5b53aebab702abcf3405ab4df917c3f18fceec2ef7814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461c093612ca28d366d5b53aebab702abcf3405ab4df917c3f18fceec2ef7814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461c093612ca28d366d5b53aebab702abcf3405ab4df917c3f18fceec2ef7814", kill_on_drop: false }`
[INFO] [stdout] 461c093612ca28d366d5b53aebab702abcf3405ab4df917c3f18fceec2ef7814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1324fdbbb54746617d7cf46fc916596dbc7d05a8925a37877ffa658be76e8d74
[INFO] running `Command { std: "docker" "start" "-a" "1324fdbbb54746617d7cf46fc916596dbc7d05a8925a37877ffa658be76e8d74", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Checking settingsfile v0.2.8
[INFO] [stderr]     Checking version-lp v0.2.1
[INFO] [stderr]     Checking lpsettings v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Best`
[INFO] [stdout]  --> src/location.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Best,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]   --> src/location.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Local,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]   --> src/location.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Global
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_location`
[INFO] [stdout]   --> src/location.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_location() -> Location {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string_cap`
[INFO] [stdout]   --> src/location.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_string_cap(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_value_set`
[INFO] [stdout]   --> src/theme.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn key_value_set<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/theme.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn error<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_message`
[INFO] [stdout]   --> src/theme.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn error_message<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Best`
[INFO] [stdout]  --> src/location.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Best,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]   --> src/location.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Local,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Global`
[INFO] [stdout]   --> src/location.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Global
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_location`
[INFO] [stdout]   --> src/location.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_location() -> Location {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string_cap`
[INFO] [stdout]   --> src/location.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn to_string_cap(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_value_set`
[INFO] [stdout]   --> src/theme.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn key_value_set<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/theme.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn error<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_message`
[INFO] [stdout]   --> src/theme.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn error_message<T: AsRef<str>>(text : T) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "1324fdbbb54746617d7cf46fc916596dbc7d05a8925a37877ffa658be76e8d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1324fdbbb54746617d7cf46fc916596dbc7d05a8925a37877ffa658be76e8d74", kill_on_drop: false }`
[INFO] [stdout] 1324fdbbb54746617d7cf46fc916596dbc7d05a8925a37877ffa658be76e8d74