[INFO] cloning repository https://github.com/1wilkens/rdm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1wilkens/rdm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1wilkens%2Frdm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1wilkens%2Frdm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea5b543ea9a04e57dd3d966da444da2e6d7b70ed
[INFO] testing 1wilkens/rdm/ea5b543ea9a04e57dd3d966da444da2e6d7b70ed against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1wilkens%2Frdm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1wilkens/rdm
[INFO] finished tweaking git repo https://github.com/1wilkens/rdm
[INFO] tweaked toml for git repo https://github.com/1wilkens/rdm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1wilkens/rdm on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1wilkens/rdm 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602773b6644d51f3229cf41ac5446d97a1cdad2195d52a0e5b8c0f91b8a2c4dd
[INFO] running `Command { std: "docker" "start" "-a" "602773b6644d51f3229cf41ac5446d97a1cdad2195d52a0e5b8c0f91b8a2c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602773b6644d51f3229cf41ac5446d97a1cdad2195d52a0e5b8c0f91b8a2c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602773b6644d51f3229cf41ac5446d97a1cdad2195d52a0e5b8c0f91b8a2c4dd", kill_on_drop: false }`
[INFO] [stdout] 602773b6644d51f3229cf41ac5446d97a1cdad2195d52a0e5b8c0f91b8a2c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc4f978cf6567d9d30ad818adfd026353f9129219a221c819e4d1f0390aa856
[INFO] running `Command { std: "docker" "start" "-a" "7cc4f978cf6567d9d30ad818adfd026353f9129219a221c819e4d1f0390aa856", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.27
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling cfg-expr v0.10.3
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[INFO] [stderr]    Compiling libdbus-sys v0.2.2
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[INFO] [stderr]    Compiling take_mut v0.2.2
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[INFO] [stderr]    Compiling getrandom v0.2.7
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[INFO] [stderr]    Compiling users v0.8.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
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[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling pam v0.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling slog-term v2.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling glib-macros v0.15.11
[INFO] [stderr]    Compiling gtk3-macros v0.15.4
[INFO] [stderr]    Compiling glib-sys v0.15.10
[INFO] [stderr]    Compiling gobject-sys v0.15.10
[INFO] [stderr]    Compiling gio-sys v0.15.10
[INFO] [stderr]    Compiling gdk-sys v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.10
[INFO] [stderr]    Compiling atk-sys v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling gtk-sys v0.15.3
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling dbus v0.9.5
[INFO] [stderr]    Compiling glib v0.15.11
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling dbus-tokio v0.7.5
[INFO] [stderr]    Compiling rdmcommon v0.0.1 (/opt/rustwide/workdir/libcommon)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> libcommon/src/error.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn cause(&self) -> Option<&(dyn Error)> {
[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] 18 -     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stdout] 18 +     fn cause(&self) -> Option<&dyn Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             IpcMessage::ClientHello | IpcMessage::ServerHello | IpcMessage::ClientBye => 0,
[INFO] [stdout]    |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] 39 |             IpcMessage::RequestAuthentication(ref user, ref secret) => {
[INFO] [stdout]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rdmgreeter v0.0.1 (/opt/rustwide/workdir/libgreeter)
[INFO] [stdout] warning: fields `rx` and `tx` are never read
[INFO] [stdout]   --> libgreeter/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RdmGreeter {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 19 |     log: Logger,
[INFO] [stdout] 20 |     rx: Box<dyn Stream<Item = Result<IpcMessage, IpcError>>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     tx: Box<dyn Sink<IpcMessage, Error = IpcError>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rdm v0.0.1 (/opt/rustwide/workdir/rdm)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> rdm/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let matches = App::new("rdm")
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pango v0.15.10
[INFO] [stderr]    Compiling cairo-rs v0.15.11
[INFO] [stderr]    Compiling atk v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.15.11
[INFO] [stderr]    Compiling gdk v0.15.4
[INFO] [stderr]    Compiling rdm-greeter v0.0.1 (/opt/rustwide/workdir/rdm-greeter)
[INFO] [stdout] warning: unused imports: `rc::Rc` and `sync::Mutex`
[INFO] [stdout]  --> rdm-greeter/src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::stdin, rc::Rc, sync::Mutex};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> rdm-greeter/src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 36 |     (::gtk::init()).expect("Failed to initialize gtk");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ui` is never constructed
[INFO] [stdout]   --> rdm-greeter/src/ui.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Ui {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_theme` and `show` are never used
[INFO] [stdout]    --> rdm-greeter/src/ui.rs:29:12
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Ui {
[INFO] [stdout]     | ------- associated items in this implementation
[INFO] [stdout]  29 |     pub fn from_theme<T: AsRef<Path>>(theme_name: T, greeter: RdmGreeter) -> Rc<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn show(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_theme_path` is never used
[INFO] [stdout]    --> rdm-greeter/src/ui.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn get_theme_path<T: AsRef<Path>>(theme_name: T, default: bool) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "7cc4f978cf6567d9d30ad818adfd026353f9129219a221c819e4d1f0390aa856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc4f978cf6567d9d30ad818adfd026353f9129219a221c819e4d1f0390aa856", kill_on_drop: false }`
[INFO] [stdout] 7cc4f978cf6567d9d30ad818adfd026353f9129219a221c819e4d1f0390aa856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a0dc7234b0266aa20dc09818656bb72236ec9f5adaa169f9c08794d46389bd
[INFO] running `Command { std: "docker" "start" "-a" "b3a0dc7234b0266aa20dc09818656bb72236ec9f5adaa169f9c08794d46389bd", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> libcommon/src/error.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn cause(&self) -> Option<&(dyn Error)> {
[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] 18 -     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stdout] 18 +     fn cause(&self) -> Option<&dyn Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             IpcMessage::ClientHello | IpcMessage::ServerHello | IpcMessage::ClientBye => 0,
[INFO] [stdout]    |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] 39 |             IpcMessage::RequestAuthentication(ref user, ref secret) => {
[INFO] [stdout]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `tx` are never read
[INFO] [stdout]   --> libgreeter/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RdmGreeter {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 19 |     log: Logger,
[INFO] [stdout] 20 |     rx: Box<dyn Stream<Item = Result<IpcMessage, IpcError>>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     tx: Box<dyn Sink<IpcMessage, Error = IpcError>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rdmgreeter v0.0.1 (/opt/rustwide/workdir/libgreeter)
[INFO] [stderr]    Compiling rdmcommon v0.0.1 (/opt/rustwide/workdir/libcommon)
[INFO] [stderr]    Compiling rdm v0.0.1 (/opt/rustwide/workdir/rdm)
[INFO] [stderr]    Compiling rdm-greeter v0.0.1 (/opt/rustwide/workdir/rdm-greeter)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> libcommon/src/error.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn cause(&self) -> Option<&(dyn Error)> {
[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] 18 -     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stdout] 18 +     fn cause(&self) -> Option<&dyn Error > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `rc::Rc` and `sync::Mutex`
[INFO] [stdout]  --> rdm-greeter/src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::stdin, rc::Rc, sync::Mutex};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> rdm-greeter/src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 36 |     (::gtk::init()).expect("Failed to initialize gtk");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ui` is never constructed
[INFO] [stdout]   --> rdm-greeter/src/ui.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Ui {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_theme` and `show` are never used
[INFO] [stdout]    --> rdm-greeter/src/ui.rs:29:12
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Ui {
[INFO] [stdout]     | ------- associated items in this implementation
[INFO] [stdout]  29 |     pub fn from_theme<T: AsRef<Path>>(theme_name: T, greeter: RdmGreeter) -> Rc<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn show(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_theme_path` is never used
[INFO] [stdout]    --> rdm-greeter/src/ui.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn get_theme_path<T: AsRef<Path>>(theme_name: T, default: bool) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> libcommon/src/ipc.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             IpcMessage::ClientHello | IpcMessage::ServerHello | IpcMessage::ClientBye => 0,
[INFO] [stdout]    |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] 39 |             IpcMessage::RequestAuthentication(ref user, ref secret) => {
[INFO] [stdout]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `tx` are never read
[INFO] [stdout]   --> libgreeter/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RdmGreeter {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 19 |     log: Logger,
[INFO] [stdout] 20 |     rx: Box<dyn Stream<Item = Result<IpcMessage, IpcError>>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     tx: Box<dyn Sink<IpcMessage, Error = IpcError>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> rdm/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let matches = App::new("rdm")
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "b3a0dc7234b0266aa20dc09818656bb72236ec9f5adaa169f9c08794d46389bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a0dc7234b0266aa20dc09818656bb72236ec9f5adaa169f9c08794d46389bd", kill_on_drop: false }`
[INFO] [stdout] b3a0dc7234b0266aa20dc09818656bb72236ec9f5adaa169f9c08794d46389bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e069d0360b060f05d6b094903dedc75fb37d82a497d08c4a15372a8cafd3f3f3
[INFO] running `Command { std: "docker" "start" "-a" "e069d0360b060f05d6b094903dedc75fb37d82a497d08c4a15372a8cafd3f3f3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> libcommon/src/error.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stderr]    |                                ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stderr] 18 +     fn cause(&self) -> Option<&dyn Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> libcommon/src/ipc.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> libcommon/src/ipc.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             IpcMessage::ClientHello | IpcMessage::ServerHello | IpcMessage::ClientBye => 0,
[INFO] [stderr]    |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] 39 |             IpcMessage::RequestAuthentication(ref user, ref secret) => {
[INFO] [stderr]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 42 |             _ => return Err(IpcError::UnknownMessageType),
[INFO] [stderr]    |             ^ collectively making this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rdmcommon` (lib) generated 2 warnings (run `cargo fix --lib -p rdmcommon` to apply 1 suggestion)
[INFO] [stderr] warning: fields `rx` and `tx` are never read
[INFO] [stderr]   --> libgreeter/src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct RdmGreeter {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 19 |     log: Logger,
[INFO] [stderr] 20 |     rx: Box<dyn Stream<Item = Result<IpcMessage, IpcError>>>,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 21 |     tx: Box<dyn Sink<IpcMessage, Error = IpcError>>,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rdmgreeter` (lib) generated 1 warning
[INFO] [stderr] warning: `rdmgreeter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `rdmcommon` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> rdm/src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let matches = App::new("rdm")
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rdm` (bin "rdm" test) generated 1 warning (run `cargo fix --bin "rdm" -p rdm --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `rc::Rc` and `sync::Mutex`
[INFO] [stderr]  --> rdm-greeter/src/main.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{io::stdin, rc::Rc, sync::Mutex};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> rdm-greeter/src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     return;
[INFO] [stderr]    |     ------ any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 36 |     (::gtk::init()).expect("Failed to initialize gtk");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ui` is never constructed
[INFO] [stderr]   --> rdm-greeter/src/ui.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Ui {
[INFO] [stderr]    |            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from_theme` and `show` are never used
[INFO] [stderr]    --> rdm-greeter/src/ui.rs:29:12
[INFO] [stderr]     |
[INFO] [stderr]  28 | impl Ui {
[INFO] [stderr]     | ------- associated items in this implementation
[INFO] [stderr]  29 |     pub fn from_theme<T: AsRef<Path>>(theme_name: T, greeter: RdmGreeter) -> Rc<Self> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 107 |     pub fn show(&self) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_theme_path` is never used
[INFO] [stderr]    --> rdm-greeter/src/ui.rs:194:4
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn get_theme_path<T: AsRef<Path>>(theme_name: T, default: bool) -> PathBuf {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rdm-greeter` (bin "rdm-greeter" test) generated 5 warnings (run `cargo fix --bin "rdm-greeter" -p rdm-greeter --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rdm-2fb429cd3e8742d7)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rdm_greeter-585afe4bc742bacd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rdmcommon-4ce94009965e8860)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rdmgreeter-ca9a99edf019e651)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rdmcommon
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> libcommon/src/error.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stderr]    |                                ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -     fn cause(&self) -> Option<&(dyn Error)> {
[INFO] [stderr] 18 +     fn cause(&self) -> Option<&dyn Error > {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rdmgreeter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e069d0360b060f05d6b094903dedc75fb37d82a497d08c4a15372a8cafd3f3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e069d0360b060f05d6b094903dedc75fb37d82a497d08c4a15372a8cafd3f3f3", kill_on_drop: false }`
[INFO] [stdout] e069d0360b060f05d6b094903dedc75fb37d82a497d08c4a15372a8cafd3f3f3
