[INFO] cloning repository https://github.com/msekletar/prefixdevname
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msekletar/prefixdevname" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsekletar%2Fprefixdevname", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsekletar%2Fprefixdevname'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ca3b9137f7b362396fe4708f8280953a0ac1de6
[INFO] testing msekletar/prefixdevname against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsekletar%2Fprefixdevname" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msekletar/prefixdevname on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msekletar/prefixdevname
[INFO] finished tweaking git repo https://github.com/msekletar/prefixdevname
[INFO] tweaked toml for git repo https://github.com/msekletar/prefixdevname written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/msekletar/prefixdevname already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a74a2720ee84c9492e8058467831b25c2fabcee6c10acc5fb09e88218e7414f
[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" "1a74a2720ee84c9492e8058467831b25c2fabcee6c10acc5fb09e88218e7414f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a74a2720ee84c9492e8058467831b25c2fabcee6c10acc5fb09e88218e7414f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a74a2720ee84c9492e8058467831b25c2fabcee6c10acc5fb09e88218e7414f", kill_on_drop: false }`
[INFO] [stdout] 1a74a2720ee84c9492e8058467831b25c2fabcee6c10acc5fb09e88218e7414f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb2743e4a56fd590359c7bf3d72d306ab7a40d4885fe3273a0b16cd170a7dbb6
[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" "fb2743e4a56fd590359c7bf3d72d306ab7a40d4885fe3273a0b16cd170a7dbb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling prefixdevname v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:29:72
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new<T: ToString>(link_name: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:53:96
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new_with_hwaddr<T: ToString>(link_name: &T, hwaddr: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:77:73
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn link_name_sane<T: ToString>(link_name: &T) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:98:53
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn write_link_file(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn load(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:163:56
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn next_link_name(&self) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:174:89
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn match_ethernet_links(udev_enumerate: &mut libudev::Enumerator) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:181:63
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn enumerate_links_from_udev(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:215:64
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn enumerate_links_from_files(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sema.rs:14:63
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_with_name(name: &str) -> Result<Semaphore, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn rename_needed(ifname: &str, prefix: &str) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:57:72
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn hwaddr_normalize<T: ToString>(hwaddr: &T) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:72:57
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn hwaddr_from_event_device() -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:85:63
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn get_prefix_from_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         lazy_static! {
[INFO] [stdout] 34 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stdout] 35 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         lazy_static! {
[INFO] [stdout] 59 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stdout] 60 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/config.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/config.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/config.rs:169:36
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `Command { std: "docker" "inspect" "fb2743e4a56fd590359c7bf3d72d306ab7a40d4885fe3273a0b16cd170a7dbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2743e4a56fd590359c7bf3d72d306ab7a40d4885fe3273a0b16cd170a7dbb6", kill_on_drop: false }`
[INFO] [stdout] fb2743e4a56fd590359c7bf3d72d306ab7a40d4885fe3273a0b16cd170a7dbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", 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] a2aaf0f34967d912fe34785c417850ae7c58a02e4380bf49810dcbf48c0dd562
[INFO] running `Command { std: "docker" "start" "-a" "a2aaf0f34967d912fe34785c417850ae7c58a02e4380bf49810dcbf48c0dd562", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixdevname v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:29:72
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new<T: ToString>(link_name: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:53:96
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new_with_hwaddr<T: ToString>(link_name: &T, hwaddr: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:77:73
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn link_name_sane<T: ToString>(link_name: &T) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:98:53
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn write_link_file(&self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn load(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:163:56
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn next_link_name(&self) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:174:89
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn match_ethernet_links(udev_enumerate: &mut libudev::Enumerator) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:181:63
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn enumerate_links_from_udev(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:215:64
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn enumerate_links_from_files(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:324:39
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn mock_sysfs() -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sema.rs:14:63
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_with_name(name: &str) -> Result<Semaphore, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn rename_needed(ifname: &str, prefix: &str) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:57:72
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn hwaddr_normalize<T: ToString>(hwaddr: &T) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:72:57
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn hwaddr_from_event_device() -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:85:63
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn get_prefix_from_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         lazy_static! {
[INFO] [stdout] 34 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stdout] 35 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         lazy_static! {
[INFO] [stdout] 59 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stdout] 60 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/config.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/config.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/config.rs:169:36
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.prefixdevname.6as37c0g-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5" "/opt/rustwide/target/debug/deps/prefixdevname-c93fed751c28d1c5.1elshvsjpnqasokk.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lumockdev" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-8c293b579fdb38fc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-ef7d6114ddb41a44.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-16c582eb506314ba.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6abbb81e68fea101.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-4437f76c42770bc3.rlib" "/opt/rustwide/target/debug/deps/libini-d789cf3aee65ad54.rlib" "/opt/rustwide/target/debug/deps/liblibudev-44c873dd66759c06.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-0484fab2c6bf9fb9.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-73d55ffcbf60991b.rlib" "/opt/rustwide/target/debug/deps/libregex-810588601a686f0c.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-8bc91a49aea63775.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-b600e895657fcb86.rlib" "/opt/rustwide/target/debug/deps/libucd_util-2d85bddcd195cb16.rlib" "/opt/rustwide/target/debug/deps/libthread_local-7359dc725016803f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4d6605be71f2a06b.rlib" "/opt/rustwide/target/debug/deps/libunreachable-df638fbf420fe3b0.rlib" "/opt/rustwide/target/debug/deps/libvoid-3282560b88f14a5c.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-fccea940d53e371c.rlib" "/opt/rustwide/target/debug/deps/libmemchr-3b9cfca094a577cf.rlib" "/opt/rustwide/target/debug/deps/libatty-6598d56a549ed6a8.rlib" "/opt/rustwide/target/debug/deps/liblibc-dc5293f2db4df33e.rlib" "/opt/rustwide/target/debug/deps/libhumantime-59358cf42118b6d1.rlib" "/opt/rustwide/target/debug/deps/libquick_error-d9bca13dadd46f6f.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-9a953a99ce07f49e.rlib" "/opt/rustwide/target/debug/deps/liblog-b94dd030ec89c822.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-60bebb3e2c55967c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-ludev" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lumockdev
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prefixdevname`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a2aaf0f34967d912fe34785c417850ae7c58a02e4380bf49810dcbf48c0dd562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aaf0f34967d912fe34785c417850ae7c58a02e4380bf49810dcbf48c0dd562", kill_on_drop: false }`
[INFO] [stdout] a2aaf0f34967d912fe34785c417850ae7c58a02e4380bf49810dcbf48c0dd562
