[INFO] updating cached repository msekletar/prefixdevname
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msekletar/prefixdevname
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msekletar/prefixdevname" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/msekletar/prefixdevname"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/msekletar/prefixdevname'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msekletar/prefixdevname" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/msekletar/prefixdevname"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/msekletar/prefixdevname'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ca3b9137f7b362396fe4708f8280953a0ac1de6
[INFO] sha for GitHub repo msekletar/prefixdevname: 8ca3b9137f7b362396fe4708f8280953a0ac1de6
[INFO] validating manifest of msekletar/prefixdevname on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of msekletar/prefixdevname on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing msekletar/prefixdevname
[INFO] finished frobbing msekletar/prefixdevname
[INFO] frobbed toml for msekletar/prefixdevname written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/msekletar/prefixdevname/Cargo.toml
[INFO] started frobbing msekletar/prefixdevname
[INFO] finished frobbing msekletar/prefixdevname
[INFO] frobbed toml for msekletar/prefixdevname written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/msekletar/prefixdevname/Cargo.toml
[INFO] crate msekletar/prefixdevname already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking msekletar/prefixdevname against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/msekletar/prefixdevname:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29a28f1fdbf48ec395e529e874dc866d5549d47b460185aef9e79982379e9544
[INFO] running `"docker" "start" "-a" "29a28f1fdbf48ec395e529e874dc866d5549d47b460185aef9e79982379e9544"`
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking prefixdevname v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:29:72
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new<T: ToString>(link_name: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:53:96
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn new_with_hwaddr<T: ToString>(link_name: &T, hwaddr: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stderr]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:77:73
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn link_name_sane<T: ToString>(link_name: &T) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn write_link_file(&self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:142:46
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn load(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:163:56
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn next_link_name(&self) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:174:89
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn match_ethernet_links(udev_enumerate: &mut libudev::Enumerator) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:181:63
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn enumerate_links_from_udev(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:215:64
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn enumerate_links_from_files(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:324:39
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn mock_sysfs() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sema.rs:14:63
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_name(name: &str) -> Result<Semaphore, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:14:70
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn rename_needed(ifname: &str, prefix: &str) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:57:72
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn hwaddr_normalize<T: ToString>(hwaddr: &T) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:72:57
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn hwaddr_from_event_device() -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:85:63
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn get_prefix_from_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | /         lazy_static! {
[INFO] [stderr] 34 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stderr] 35 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | /         lazy_static! {
[INFO] [stderr] 59 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:29:72
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new<T: ToString>(link_name: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:53:96
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn new_with_hwaddr<T: ToString>(link_name: &T, hwaddr: &T) -> Result<PrefixedLink, Box<Error>> {
[INFO] [stderr]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:77:73
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn link_name_sane<T: ToString>(link_name: &T) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn write_link_file(&self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:142:46
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn load(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:163:56
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn next_link_name(&self) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:174:89
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn match_ethernet_links(udev_enumerate: &mut libudev::Enumerator) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:181:63
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn enumerate_links_from_udev(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:215:64
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn enumerate_links_from_files(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sema.rs:14:63
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_name(name: &str) -> Result<Semaphore, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:14:70
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn rename_needed(ifname: &str, prefix: &str) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:57:72
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn hwaddr_normalize<T: ToString>(hwaddr: &T) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:72:57
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn hwaddr_from_event_device() -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:85:63
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn get_prefix_from_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | /         lazy_static! {
[INFO] [stderr] 34 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stderr] 35 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | /         lazy_static! {
[INFO] [stderr] 59 | |             static ref RE: Regex = Regex::new(r"([[:alpha:]]+)\d+").unwrap();
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/config.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/config.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/config.rs:169:36
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/config.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/config.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let i = name.trim_left_matches(&prefix).parse::<u64>()?;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/config.rs:169:36
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `"docker" "inspect" "29a28f1fdbf48ec395e529e874dc866d5549d47b460185aef9e79982379e9544"`
[INFO] running `"docker" "rm" "-f" "29a28f1fdbf48ec395e529e874dc866d5549d47b460185aef9e79982379e9544"`
[INFO] [stdout] 29a28f1fdbf48ec395e529e874dc866d5549d47b460185aef9e79982379e9544