[INFO] fetching crate adbium 0.1.3...
[INFO] checking adbium-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate adbium 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate adbium 0.1.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adbium 0.1.3
[INFO] finished tweaking crates.io crate adbium 0.1.3
[INFO] tweaked toml for crates.io crate adbium 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65141c9cd7e15f3dd7857471afcc9d2949266ae4bedfa311db0b514665a6c26d
[INFO] running `Command { std: "docker" "start" "-a" "65141c9cd7e15f3dd7857471afcc9d2949266ae4bedfa311db0b514665a6c26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65141c9cd7e15f3dd7857471afcc9d2949266ae4bedfa311db0b514665a6c26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65141c9cd7e15f3dd7857471afcc9d2949266ae4bedfa311db0b514665a6c26d", kill_on_drop: false }`
[INFO] [stdout] 65141c9cd7e15f3dd7857471afcc9d2949266ae4bedfa311db0b514665a6c26d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7246379eb9b3d1a2d54379adfd5e13f2b662dc62efcbdc5b8f7aa16cecbdd43e
[INFO] running `Command { std: "docker" "start" "-a" "7246379eb9b3d1a2d54379adfd5e13f2b662dc62efcbdc5b8f7aa16cecbdd43e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking adbium v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `io::Read`
[INFO] [stdout]  --> src/adb.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Read, error::Error};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error` and `io::Read`
[INFO] [stdout]  --> src/adb.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Read, error::Error};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/tests.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, net::{Ipv4Addr, TcpStream}, time::Duration};
[INFO] [stdout]   |                                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AdbServerError`
[INFO] [stdout]  --> src/tests.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{device_info::*, server::{AdbServer, AdbServerError}};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/server.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn from(value: Utf8Error) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/server.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn from(value: Utf8Error) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid_check`
[INFO] [stdout]   --> src/device.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let uuid_check = |uid: String| uid.contains("uid=0");
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uuid_check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/device.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut dev = AdbDevice {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `serial_number`, `adb_root`, `rooted`, `su_0_cmd`, `su_c_cmd`, and `run_as_pkg` are never read
[INFO] [stdout]   --> src/device.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct AdbDevice {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 7  |     serial_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     adb_root: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     rooted: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     su_0_cmd: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     su_c_cmd: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     run_as_pkg: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AdbDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid_check`
[INFO] [stdout]   --> src/device.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let uuid_check = |uid: String| uid.contains("uid=0");
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uuid_check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/device.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut dev = AdbDevice {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/tests.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let conn = serv.connect().expect("Failed to estabilish connection");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dev`
[INFO] [stdout]   --> src/tests.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let dev = serv.get_active_device().expect("Couldn't find device");
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `serial_number`, `adb_root`, `rooted`, `su_0_cmd`, `su_c_cmd`, and `run_as_pkg` are never read
[INFO] [stdout]   --> src/device.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct AdbDevice {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 7  |     serial_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     adb_root: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     rooted: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     su_0_cmd: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     su_c_cmd: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     run_as_pkg: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AdbDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "7246379eb9b3d1a2d54379adfd5e13f2b662dc62efcbdc5b8f7aa16cecbdd43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7246379eb9b3d1a2d54379adfd5e13f2b662dc62efcbdc5b8f7aa16cecbdd43e", kill_on_drop: false }`
[INFO] [stdout] 7246379eb9b3d1a2d54379adfd5e13f2b662dc62efcbdc5b8f7aa16cecbdd43e