[INFO] cloning repository https://github.com/frett27/test-bluetooth-rs-dbus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frett27/test-bluetooth-rs-dbus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrett27%2Ftest-bluetooth-rs-dbus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrett27%2Ftest-bluetooth-rs-dbus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f9eb8c2e137a32a3f256e79e434cb5b28bb895e
[INFO] checking frett27/test-bluetooth-rs-dbus against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrett27%2Ftest-bluetooth-rs-dbus" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frett27/test-bluetooth-rs-dbus on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frett27/test-bluetooth-rs-dbus
[INFO] finished tweaking git repo https://github.com/frett27/test-bluetooth-rs-dbus
[INFO] tweaked toml for git repo https://github.com/frett27/test-bluetooth-rs-dbus written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frett27/test-bluetooth-rs-dbus 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f05350b745f1cfce2ebb2bc04dd915c43c6257840691ed4c2f3fc888a3efe22
[INFO] running `Command { std: "docker" "start" "-a" "2f05350b745f1cfce2ebb2bc04dd915c43c6257840691ed4c2f3fc888a3efe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f05350b745f1cfce2ebb2bc04dd915c43c6257840691ed4c2f3fc888a3efe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f05350b745f1cfce2ebb2bc04dd915c43c6257840691ed4c2f3fc888a3efe22", kill_on_drop: false }`
[INFO] [stdout] 2f05350b745f1cfce2ebb2bc04dd915c43c6257840691ed4c2f3fc888a3efe22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31551b5c36484a52201f106c7a0667385c2e469e458755ea0533c75862d80b7a
[INFO] running `Command { std: "docker" "start" "-a" "31551b5c36484a52201f106c7a0667385c2e469e458755ea0533c75862d80b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]     Checking dbus v0.9.7
[INFO] [stderr]     Checking testblutooth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/bluez.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus as dbus;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/bluez.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus as dbus;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "31551b5c36484a52201f106c7a0667385c2e469e458755ea0533c75862d80b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31551b5c36484a52201f106c7a0667385c2e469e458755ea0533c75862d80b7a", kill_on_drop: false }`
[INFO] [stdout] 31551b5c36484a52201f106c7a0667385c2e469e458755ea0533c75862d80b7a
[INFO] checking frett27/test-bluetooth-rs-dbus against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrett27%2Ftest-bluetooth-rs-dbus" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frett27/test-bluetooth-rs-dbus on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frett27/test-bluetooth-rs-dbus
[INFO] finished tweaking git repo https://github.com/frett27/test-bluetooth-rs-dbus
[INFO] tweaked toml for git repo https://github.com/frett27/test-bluetooth-rs-dbus written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/frett27/test-bluetooth-rs-dbus 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c979c44c6d4f543ff5a25aef5335c5bf9b030668280ca11c4beab66e25fb1d
[INFO] running `Command { std: "docker" "start" "-a" "f9c979c44c6d4f543ff5a25aef5335c5bf9b030668280ca11c4beab66e25fb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c979c44c6d4f543ff5a25aef5335c5bf9b030668280ca11c4beab66e25fb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c979c44c6d4f543ff5a25aef5335c5bf9b030668280ca11c4beab66e25fb1d", kill_on_drop: false }`
[INFO] [stdout] f9c979c44c6d4f543ff5a25aef5335c5bf9b030668280ca11c4beab66e25fb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd791c46eb27034b3351c666d1ec58811dcfb1900102843bf06bab7d454a44c6
[INFO] running `Command { std: "docker" "start" "-a" "fd791c46eb27034b3351c666d1ec58811dcfb1900102843bf06bab7d454a44c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]     Checking dbus v0.9.7
[INFO] [stderr]     Checking testblutooth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/bluez.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus as dbus;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/bluez.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus as dbus;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "fd791c46eb27034b3351c666d1ec58811dcfb1900102843bf06bab7d454a44c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd791c46eb27034b3351c666d1ec58811dcfb1900102843bf06bab7d454a44c6", kill_on_drop: false }`
[INFO] [stdout] fd791c46eb27034b3351c666d1ec58811dcfb1900102843bf06bab7d454a44c6