[INFO] cloning repository https://github.com/tmccombs/dopen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmccombs/dopen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmccombs%2Fdopen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmccombs%2Fdopen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea9b55830ff69db081de276bc5864436b9a9f6c7
[INFO] building tmccombs/dopen against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmccombs%2Fdopen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmccombs/dopen on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmccombs/dopen
[INFO] finished tweaking git repo https://github.com/tmccombs/dopen
[INFO] tweaked toml for git repo https://github.com/tmccombs/dopen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tmccombs/dopen 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] [stderr]   Downloaded nom-regex v0.2.0
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 714be11283000af8d70224869268a8d952b2e68f8525edaaa227d91650f2b05b
[INFO] running `Command { std: "docker" "start" "-a" "714be11283000af8d70224869268a8d952b2e68f8525edaaa227d91650f2b05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714be11283000af8d70224869268a8d952b2e68f8525edaaa227d91650f2b05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714be11283000af8d70224869268a8d952b2e68f8525edaaa227d91650f2b05b", kill_on_drop: false }`
[INFO] [stdout] 714be11283000af8d70224869268a8d952b2e68f8525edaaa227d91650f2b05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec105decb5a255e6490d9967df23e6bd938c65701280257dcf30f1300f883c2c
[INFO] running `Command { std: "docker" "start" "-a" "ec105decb5a255e6490d9967df23e6bd938c65701280257dcf30f1300f883c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling nom-regex v0.2.0
[INFO] [stderr]    Compiling dopen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `entry` is never read
[INFO] [stdout]    --> src/desktop/execute.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct CommandExecutor<'a> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 145 |     entry: &'a DesktopEntry,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/desktop/execute.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.command.exec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let _ = self.command.exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "ec105decb5a255e6490d9967df23e6bd938c65701280257dcf30f1300f883c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec105decb5a255e6490d9967df23e6bd938c65701280257dcf30f1300f883c2c", kill_on_drop: false }`
[INFO] [stdout] ec105decb5a255e6490d9967df23e6bd938c65701280257dcf30f1300f883c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd34c9c24eff3f42295deddbed882970f96b1a1af23220263cd643ccd2cc114
[INFO] running `Command { std: "docker" "start" "-a" "4dd34c9c24eff3f42295deddbed882970f96b1a1af23220263cd643ccd2cc114", kill_on_drop: false }`
[INFO] [stderr]    Compiling dopen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `entry` is never read
[INFO] [stdout]    --> src/desktop/execute.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct CommandExecutor<'a> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 145 |     entry: &'a DesktopEntry,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/desktop/execute.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.command.exec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let _ = self.command.exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry` is never read
[INFO] [stdout]    --> src/desktop/execute.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct CommandExecutor<'a> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 145 |     entry: &'a DesktopEntry,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/desktop/execute.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.command.exec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let _ = self.command.exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4dd34c9c24eff3f42295deddbed882970f96b1a1af23220263cd643ccd2cc114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd34c9c24eff3f42295deddbed882970f96b1a1af23220263cd643ccd2cc114", kill_on_drop: false }`
[INFO] [stdout] 4dd34c9c24eff3f42295deddbed882970f96b1a1af23220263cd643ccd2cc114