[INFO] fetching crate mumblelink_reader 0.3.5...
[INFO] testing mumblelink_reader-0.3.5 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mumblelink_reader 0.3.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mumblelink_reader 0.3.5
[INFO] finished tweaking crates.io crate mumblelink_reader 0.3.5
[INFO] tweaked toml for crates.io crate mumblelink_reader 0.3.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mumblelink_reader 0.3.5 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8223b51ed76aa99324018448cb37fdbef8e2923cbe57dc5dbf122d8b2012e463
[INFO] running `Command { std: "docker" "start" "-a" "8223b51ed76aa99324018448cb37fdbef8e2923cbe57dc5dbf122d8b2012e463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8223b51ed76aa99324018448cb37fdbef8e2923cbe57dc5dbf122d8b2012e463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8223b51ed76aa99324018448cb37fdbef8e2923cbe57dc5dbf122d8b2012e463", kill_on_drop: false }`
[INFO] [stdout] 8223b51ed76aa99324018448cb37fdbef8e2923cbe57dc5dbf122d8b2012e463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9375ccfb5bfa500316313c58041613cb2b93bb95773fb0675291ceb89f7661f
[INFO] running `Command { std: "docker" "start" "-a" "c9375ccfb5bfa500316313c58041613cb2b93bb95773fb0675291ceb89f7661f", kill_on_drop: false }`
[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)]` (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::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)]` (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 function `new` is never used
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MumbleLinkHandler {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 |     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: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)]` (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: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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c9375ccfb5bfa500316313c58041613cb2b93bb95773fb0675291ceb89f7661f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9375ccfb5bfa500316313c58041613cb2b93bb95773fb0675291ceb89f7661f", kill_on_drop: false }`
[INFO] [stdout] c9375ccfb5bfa500316313c58041613cb2b93bb95773fb0675291ceb89f7661f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 535bd60b3a4c794d0bd95dc39a5a09448e9922c4fb0c3506db5d1c5a155ad3f6
[INFO] running `Command { std: "docker" "start" "-a" "535bd60b3a4c794d0bd95dc39a5a09448e9922c4fb0c3506db5d1c5a155ad3f6", kill_on_drop: false }`
[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::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)]` (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 function `new` is never used
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MumbleLinkHandler {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 |     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: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)]` (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: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] [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)]` (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::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)]` (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 function `new` is never used
[INFO] [stdout]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MumbleLinkHandler {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 |     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: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)]` (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: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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "535bd60b3a4c794d0bd95dc39a5a09448e9922c4fb0c3506db5d1c5a155ad3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535bd60b3a4c794d0bd95dc39a5a09448e9922c4fb0c3506db5d1c5a155ad3f6", kill_on_drop: false }`
[INFO] [stdout] 535bd60b3a4c794d0bd95dc39a5a09448e9922c4fb0c3506db5d1c5a155ad3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cb21be67650deba5fd0a30d5cb5df3f6231e37607ef75abfaf1b576540c23cf
[INFO] running `Command { std: "docker" "start" "-a" "3cb21be67650deba5fd0a30d5cb5df3f6231e37607ef75abfaf1b576540c23cf", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MumbleLinkHandler` is never constructed
[INFO] [stderr]  --> src/unix_mumble_link_handler.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct MumbleLinkHandler {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/unix_mumble_link_handler.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl MumbleLinkHandler {
[INFO] [stderr]    | ---------------------- associated function in this implementation
[INFO] [stderr] 16 |     pub fn new() -> std::result::Result<MumbleLinkHandler, MumbleLinkHandlerError> {
[INFO] [stderr]    |            ^^^
[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)]` (part of `#[warn(nonstandard_style)]`) 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 11 warnings (run `cargo fix --lib -p mumblelink_reader` to apply 5 suggestions)
[INFO] [stderr] warning: `mumblelink_reader` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mumblelink_reader-882bdbe62f599345)
[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] [stderr]    Doc-tests mumblelink_reader
[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" "3cb21be67650deba5fd0a30d5cb5df3f6231e37607ef75abfaf1b576540c23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb21be67650deba5fd0a30d5cb5df3f6231e37607ef75abfaf1b576540c23cf", kill_on_drop: false }`
[INFO] [stdout] 3cb21be67650deba5fd0a30d5cb5df3f6231e37607ef75abfaf1b576540c23cf