[INFO] fetching crate tokio-dbus 0.0.16...
[INFO] checking tokio-dbus-0.0.16 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tokio-dbus 0.0.16 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tokio-dbus 0.0.16 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-dbus 0.0.16
[INFO] finished tweaking crates.io crate tokio-dbus 0.0.16
[INFO] tweaked toml for crates.io crate tokio-dbus 0.0.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-dbus 0.0.16 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-dbus-core v0.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f13a59c5e519c199d6794c4eebe5d0da273e1e5bdcf4361d1a2ddc69d44ecfa1
[INFO] running `Command { std: "docker" "start" "-a" "f13a59c5e519c199d6794c4eebe5d0da273e1e5bdcf4361d1a2ddc69d44ecfa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13a59c5e519c199d6794c4eebe5d0da273e1e5bdcf4361d1a2ddc69d44ecfa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13a59c5e519c199d6794c4eebe5d0da273e1e5bdcf4361d1a2ddc69d44ecfa1", kill_on_drop: false }`
[INFO] [stdout] f13a59c5e519c199d6794c4eebe5d0da273e1e5bdcf4361d1a2ddc69d44ecfa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b55ab1436cf9f4c503520eb949d52990374bc0f3ac08c2b5c5daf3ba68da894
[INFO] running `Command { std: "docker" "start" "-a" "0b55ab1436cf9f4c503520eb949d52990374bc0f3ac08c2b5c5daf3ba68da894", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tokio-dbus-core v0.0.16
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking anyhow v1.0.75
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking tokio-dbus v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sasl/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Ok(&'a Guid),
[INFO] [stdout]    |     -- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Ok(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sasl/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Ok(&'a Guid),
[INFO] [stdout]    |     -- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Ok(()),
[INFO] [stdout]    |        ~~
[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 4.75s
[INFO] running `Command { std: "docker" "inspect" "0b55ab1436cf9f4c503520eb949d52990374bc0f3ac08c2b5c5daf3ba68da894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b55ab1436cf9f4c503520eb949d52990374bc0f3ac08c2b5c5daf3ba68da894", kill_on_drop: false }`
[INFO] [stdout] 0b55ab1436cf9f4c503520eb949d52990374bc0f3ac08c2b5c5daf3ba68da894