[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] 5ecff4c13eead611cdd4ba1ce39c7ac6117df22b
[INFO] testing norbert-k/mumblelink_gw2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorbert-k%2Fmumblelink_gw2" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/norbert-k/mumblelink_gw2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/norbert-k/mumblelink_gw2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c8a70f6450d89651a6f901c6b015a4b0d763a51f00ea368033f69230bd6f609
[INFO] running `Command { std: "docker" "start" "-a" "8c8a70f6450d89651a6f901c6b015a4b0d763a51f00ea368033f69230bd6f609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c8a70f6450d89651a6f901c6b015a4b0d763a51f00ea368033f69230bd6f609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8a70f6450d89651a6f901c6b015a4b0d763a51f00ea368033f69230bd6f609", kill_on_drop: false }`
[INFO] [stdout] 8c8a70f6450d89651a6f901c6b015a4b0d763a51f00ea368033f69230bd6f609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f568b7e05d37f8b7bd8b63da91e259f709cbb87e09d1c1677a31115e89a2f2ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f568b7e05d37f8b7bd8b63da91e259f709cbb87e09d1c1677a31115e89a2f2ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling 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)]` 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::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: `core::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MumbleLinkReader`
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::mumble_link::{MumbleLinkReader, MumbleLinkData, CMumbleLinkData};
[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:32:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 32 |                 let trunc: i32 = unsafe{libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE)};
[INFO] [stdout]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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)]` 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:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MMAP_PATH: CString = CString::new(format!("/MumbleLink.{}", uid)).expect("Failed to create MMAP_PATH");
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "f568b7e05d37f8b7bd8b63da91e259f709cbb87e09d1c1677a31115e89a2f2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f568b7e05d37f8b7bd8b63da91e259f709cbb87e09d1c1677a31115e89a2f2ba", kill_on_drop: false }`
[INFO] [stdout] f568b7e05d37f8b7bd8b63da91e259f709cbb87e09d1c1677a31115e89a2f2ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63a46ecb329bec0c62e959d776f2eba0412da7ec334689e4213384cf6b0547ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63a46ecb329bec0c62e959d776f2eba0412da7ec334689e4213384cf6b0547ea", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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)]` 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::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: `core::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MumbleLinkReader`
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::mumble_link::{MumbleLinkReader, MumbleLinkData, CMumbleLinkData};
[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:32:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 32 |                 let trunc: i32 = unsafe{libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE)};
[INFO] [stdout]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mumblelink_reader v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `MUMBLE_LINK_STRUCT_SIZE` should have a snake case name
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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)]` 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:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MMAP_PATH: CString = CString::new(format!("/MumbleLink.{}", uid)).expect("Failed to create MMAP_PATH");
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[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)]` 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::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: `core::fmt`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MumbleLinkReader`
[INFO] [stdout]  --> src/unix_mumble_link_handler.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::mumble_link::{MumbleLinkReader, MumbleLinkData, CMumbleLinkData};
[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:32:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |         unsafe {
[INFO] [stdout]    |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 32 |                 let trunc: i32 = unsafe{libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE)};
[INFO] [stdout]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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)]` 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:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MMAP_PATH: CString = CString::new(format!("/MumbleLink.{}", uid)).expect("Failed to create MMAP_PATH");
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "63a46ecb329bec0c62e959d776f2eba0412da7ec334689e4213384cf6b0547ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a46ecb329bec0c62e959d776f2eba0412da7ec334689e4213384cf6b0547ea", kill_on_drop: false }`
[INFO] [stdout] 63a46ecb329bec0c62e959d776f2eba0412da7ec334689e4213384cf6b0547ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17d92c6ed035cbbd72817a2aaf8b2ef44b624dcfef9d024a5849d94811fb7d8c
[INFO] running `Command { std: "docker" "start" "-a" "17d92c6ed035cbbd72817a2aaf8b2ef44b624dcfef9d024a5849d94811fb7d8c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> src/mumble_link.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/mumble_link.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/mumble_link.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MumbleLinkReader`
[INFO] [stderr]  --> src/unix_mumble_link_handler.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::mumble_link::{MumbleLinkReader, MumbleLinkData, CMumbleLinkData};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/unix_mumble_link_handler.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 20 |         unsafe {
[INFO] [stderr]    |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 32 |                 let trunc: i32 = unsafe{libc::ftruncate(fd, MUMBLE_LINK_STRUCT_SIZE)};
[INFO] [stderr]    |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MUMBLE_LINK_STRUCT_SIZE` should have a snake case name
[INFO] [stderr]   --> src/unix_mumble_link_handler.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let MUMBLE_LINK_STRUCT_SIZE: i64 = std::mem::size_of::<CMumbleLinkData>() as i64;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mumble_link_struct_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MMAP_PATH` should have a snake case name
[INFO] [stderr]   --> src/unix_mumble_link_handler.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let MMAP_PATH: CString = CString::new(format!("/MumbleLink.{}", uid)).expect("Failed to create MMAP_PATH");
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `mmap_path`
[INFO] [stderr] 
[INFO] [stderr] warning: `mumblelink_reader` (lib) generated 10 warnings
[INFO] [stderr] warning: `mumblelink_reader` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mumblelink_reader-c304c2958f6c5bf9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mumblelink_reader
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17d92c6ed035cbbd72817a2aaf8b2ef44b624dcfef9d024a5849d94811fb7d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d92c6ed035cbbd72817a2aaf8b2ef44b624dcfef9d024a5849d94811fb7d8c", kill_on_drop: false }`
[INFO] [stdout] 17d92c6ed035cbbd72817a2aaf8b2ef44b624dcfef9d024a5849d94811fb7d8c