[INFO] cloning repository https://github.com/norbert-k/mumblelink_gw2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/norbert-k/mumblelink_gw2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorbert-k%2Fmumblelink_gw2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorbert-k%2Fmumblelink_gw2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cea63c813c2e30c0f1b56d106284814a695369fd
[INFO] checking norbert-k/mumblelink_gw2 against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorbert-k%2Fmumblelink_gw2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/norbert-k/mumblelink_gw2
[INFO] finished tweaking git repo https://github.com/norbert-k/mumblelink_gw2
[INFO] tweaked toml for git repo https://github.com/norbert-k/mumblelink_gw2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/norbert-k/mumblelink_gw2 on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/norbert-k/mumblelink_gw2 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1beaac421892a5f477fb894bd658ed95c989e2af37c4f45378ccd031ca2469d
[INFO] running `Command { std: "docker" "start" "-a" "a1beaac421892a5f477fb894bd658ed95c989e2af37c4f45378ccd031ca2469d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1beaac421892a5f477fb894bd658ed95c989e2af37c4f45378ccd031ca2469d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1beaac421892a5f477fb894bd658ed95c989e2af37c4f45378ccd031ca2469d", kill_on_drop: false }`
[INFO] [stdout] a1beaac421892a5f477fb894bd658ed95c989e2af37c4f45378ccd031ca2469d
[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" "-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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 145ded05f12826e0f0a49e4f010f46ce0040b9fff172cbe0a5de50899724454e
[INFO] running `Command { std: "docker" "start" "-a" "145ded05f12826e0f0a49e4f010f46ce0040b9fff172cbe0a5de50899724454e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking mumblelink_reader v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/mumble_link.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/mumble_link.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/mumble_link.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/mumble_link.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/mumble_link.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/mumble_link.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MumbleLinkReader`
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::mumble_link::{CMumbleLinkData, MumbleLinkData, MumbleLinkReader};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MumbleLinkReader`
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::mumble_link::{CMumbleLinkData, MumbleLinkData, MumbleLinkReader};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 34 |                 let trunc: i32 = unsafe { libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE) };
[INFO] [stdout]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MumbleLinkHandler` is never constructed
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MumbleLinkHandler {
[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 functions `with_name` and `new` are never used
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MumbleLinkHandler {
[INFO] [stdout]    | ---------------------- associated functions in this implementation
[INFO] [stdout] 16 |     /// Create new MumbleLinkHandler with specified name
[INFO] [stdout] 17 |     pub fn with_name(name: &str) -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 34 |                 let trunc: i32 = unsafe { libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE) };
[INFO] [stdout]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MUMBLE_LINK_STRUCT_SIZE` should have a snake case name
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MUMBLE_LINK_STRUCT_SIZE: i64 = std::mem::size_of::<CMumbleLinkData>() as i64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mumble_link_struct_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MMAP_PATH` should have a snake case name
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let MMAP_PATH: CString =
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MumbleLinkHandler` is never constructed
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MumbleLinkHandler {
[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 functions `with_name` and `new` are never used
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MumbleLinkHandler {
[INFO] [stdout]    | ---------------------- associated functions in this implementation
[INFO] [stdout] 16 |     /// Create new MumbleLinkHandler with specified name
[INFO] [stdout] 17 |     pub fn with_name(name: &str) -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MUMBLE_LINK_STRUCT_SIZE` should have a snake case name
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MUMBLE_LINK_STRUCT_SIZE: i64 = std::mem::size_of::<CMumbleLinkData>() as i64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mumble_link_struct_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MMAP_PATH` should have a snake case name
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let MMAP_PATH: CString =
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "145ded05f12826e0f0a49e4f010f46ce0040b9fff172cbe0a5de50899724454e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145ded05f12826e0f0a49e4f010f46ce0040b9fff172cbe0a5de50899724454e", kill_on_drop: false }`
[INFO] [stdout] 145ded05f12826e0f0a49e4f010f46ce0040b9fff172cbe0a5de50899724454e
