[INFO] fetching crate gnome-randr 0.1.1...
[INFO] checking gnome-randr-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gnome-randr 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate gnome-randr 0.1.1
[INFO] finished tweaking crates.io crate gnome-randr 0.1.1
[INFO] tweaked toml for crates.io crate gnome-randr 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gnome-randr 0.1.1 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 gnome-randr 0.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 08be962f7feb19e99fc8ae568210882525904779b42780071e620a79649fead8
[INFO] running `Command { std: "docker" "start" "-a" "08be962f7feb19e99fc8ae568210882525904779b42780071e620a79649fead8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08be962f7feb19e99fc8ae568210882525904779b42780071e620a79649fead8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08be962f7feb19e99fc8ae568210882525904779b42780071e620a79649fead8", kill_on_drop: false }`
[INFO] [stdout] 08be962f7feb19e99fc8ae568210882525904779b42780071e620a79649fead8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 63a9ce354dd1b3b3e72d79746bdff1854c54c6731d96ea48ecb463e87461db0c
[INFO] running `Command { std: "docker" "start" "-a" "63a9ce354dd1b3b3e72d79746bdff1854c54c6731d96ea48ecb463e87461db0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.9.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking gnome-randr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `OrgFreedesktopDBusProperties` is never used
[INFO] [stdout]  --> src/display_config/raw.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait OrgFreedesktopDBusProperties {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrgFreedesktopDBusPropertiesPropertiesChanged` is never constructed
[INFO] [stdout]   --> src/display_config/raw.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OrgFreedesktopDBusPropertiesPropertiesChanged {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrgFreedesktopDBusIntrospectable` is never used
[INFO] [stdout]   --> src/display_config/raw.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub trait OrgFreedesktopDBusIntrospectable {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrgFreedesktopDBusPeer` is never used
[INFO] [stdout]    --> src/display_config/raw.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub trait OrgFreedesktopDBusPeer {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/display_config/raw.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub trait OrgGnomeMutterDisplayConfig {
[INFO] [stdout]     |           --------------------------- methods in this trait
[INFO] [stdout] 119 |     fn get_resources(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn apply_configuration(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn change_backlight(&self, serial: u32, output: u32, value: i32) -> Result<i32, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 160 |     fn get_crtc_gamma(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn set_crtc_gamma(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     fn set_output_ctm(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn power_save_mode(&self) -> Result<i32, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 210 |     fn set_power_save_mode(&self, value: i32) -> Result<(), dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 211 |     fn panel_orientation_managed(&self) -> Result<bool, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrgGnomeMutterDisplayConfigMonitorsChanged` is never constructed
[INFO] [stdout]    --> src/display_config/raw.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct OrgGnomeMutterDisplayConfigMonitorsChanged {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrgFreedesktopDBusProperties` is never used
[INFO] [stdout]  --> src/display_config/raw.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait OrgFreedesktopDBusProperties {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrgFreedesktopDBusPropertiesPropertiesChanged` is never constructed
[INFO] [stdout]   --> src/display_config/raw.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct OrgFreedesktopDBusPropertiesPropertiesChanged {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrgFreedesktopDBusIntrospectable` is never used
[INFO] [stdout]   --> src/display_config/raw.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub trait OrgFreedesktopDBusIntrospectable {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrgFreedesktopDBusPeer` is never used
[INFO] [stdout]    --> src/display_config/raw.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub trait OrgFreedesktopDBusPeer {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/display_config/raw.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub trait OrgGnomeMutterDisplayConfig {
[INFO] [stdout]     |           --------------------------- methods in this trait
[INFO] [stdout] 119 |     fn get_resources(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn apply_configuration(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn change_backlight(&self, serial: u32, output: u32, value: i32) -> Result<i32, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 160 |     fn get_crtc_gamma(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn set_crtc_gamma(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     fn set_output_ctm(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn power_save_mode(&self) -> Result<i32, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 210 |     fn set_power_save_mode(&self, value: i32) -> Result<(), dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 211 |     fn panel_orientation_managed(&self) -> Result<bool, dbus::Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrgGnomeMutterDisplayConfigMonitorsChanged` is never constructed
[INFO] [stdout]    --> src/display_config/raw.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct OrgGnomeMutterDisplayConfigMonitorsChanged {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/modify/mod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[structopt(
[INFO] [stdout] 56 | |         short,
[INFO] [stdout] 57 | |         long,
[INFO] [stdout] 58 | |         help = "A valid mode for the given display.",
[INFO] [stdout] 59 | |         long_help = "A valid mode for the given display. To find valid modes use the \"query\" subcommand"
[INFO] [stdout] 60 | |     )]
[INFO] [stdout] 61 | |     pub mode: 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/modify/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     #[structopt(
[INFO] [stdout] 73 | |         help = "the connector used for the physical monitor.",
[INFO] [stdout] 74 | |         long_help = "the connector used for the physical monitor you want to modify, e.g. \"HDMI-1\". You can find these with \"query\" (...
[INFO] [stdout] 75 | |     )]
[INFO] [stdout] 76 | |     pub connector: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/query.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | /     #[structopt(
[INFO] [stdout]  7 | |         help = "the connector used for the physical monitor.",
[INFO] [stdout]  8 | |         long_help = "query by the connector used for the physical monitor, e.g. \"HDMI-1\". You can find these with \"query\" (no argumen...
[INFO] [stdout]  9 | |     )]
[INFO] [stdout] 10 | |     pub connector: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/modify/mod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[structopt(
[INFO] [stdout] 56 | |         short,
[INFO] [stdout] 57 | |         long,
[INFO] [stdout] 58 | |         help = "A valid mode for the given display.",
[INFO] [stdout] 59 | |         long_help = "A valid mode for the given display. To find valid modes use the \"query\" subcommand"
[INFO] [stdout] 60 | |     )]
[INFO] [stdout] 61 | |     pub mode: 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/modify/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     #[structopt(
[INFO] [stdout] 73 | |         help = "the connector used for the physical monitor.",
[INFO] [stdout] 74 | |         long_help = "the connector used for the physical monitor you want to modify, e.g. \"HDMI-1\". You can find these with \"query\" (...
[INFO] [stdout] 75 | |     )]
[INFO] [stdout] 76 | |     pub connector: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/query.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | /     #[structopt(
[INFO] [stdout]  7 | |         help = "the connector used for the physical monitor.",
[INFO] [stdout]  8 | |         long_help = "query by the connector used for the physical monitor, e.g. \"HDMI-1\". You can find these with \"query\" (no argumen...
[INFO] [stdout]  9 | |     )]
[INFO] [stdout] 10 | |     pub connector: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gnome-randr` (bin "gnome-randr" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gnome-randr` (bin "gnome-randr") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "63a9ce354dd1b3b3e72d79746bdff1854c54c6731d96ea48ecb463e87461db0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a9ce354dd1b3b3e72d79746bdff1854c54c6731d96ea48ecb463e87461db0c", kill_on_drop: false }`
[INFO] [stdout] 63a9ce354dd1b3b3e72d79746bdff1854c54c6731d96ea48ecb463e87461db0c
