[INFO] crate bip_dht 0.6.0 is already in cache
[INFO] extracting crate bip_dht 0.6.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/bip_dht/0.6.0
[INFO] extracting crate bip_dht 0.6.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/bip_dht/0.6.0
[INFO] validating manifest of bip_dht-0.6.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bip_dht-0.6.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bip_dht-0.6.0
[INFO] finished frobbing bip_dht-0.6.0
[INFO] frobbed toml for bip_dht-0.6.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/bip_dht/0.6.0/Cargo.toml
[INFO] started frobbing bip_dht-0.6.0
[INFO] finished frobbing bip_dht-0.6.0
[INFO] frobbed toml for bip_dht-0.6.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/bip_dht/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking bip_dht-0.6.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/bip_dht/0.6.0:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c6b848e88d34b1ed0c98d9fa1061143fb2b4d9c26b9e4c5d12c8944a4040fd06
[INFO] running `"docker" "start" "-a" "c6b848e88d34b1ed0c98d9fa1061143fb2b4d9c26b9e4c5d12c8944a4040fd06"`
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking bip_bencode v0.2.0
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking bip_handshake v0.4.1
[INFO] [stderr]     Checking bip_dht v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/request.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/request.rs:130:49
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn forward_compatible_find_node<'a>(rqst_root: &Dictionary<'a, Bencode<'a>>) -> Option<&'static str> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/response.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn from_parts(root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/error.rs:106:30
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/get_peers.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/get_peers.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn from_parts(rsp_root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/announce_peer.rs:47:35
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/announce_peer.rs:136:35
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/request.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/request.rs:130:49
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn forward_compatible_find_node<'a>(rqst_root: &Dictionary<'a, Bencode<'a>>) -> Option<&'static str> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/response.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn from_parts(root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/error.rs:106:30
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/get_peers.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/get_peers.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn from_parts(rsp_root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/announce_peer.rs:47:35
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/announce_peer.rs:136:35
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:22
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                      ----^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:37
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:22
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                      ----^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:37
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `"docker" "inspect" "c6b848e88d34b1ed0c98d9fa1061143fb2b4d9c26b9e4c5d12c8944a4040fd06"`
[INFO] running `"docker" "rm" "-f" "c6b848e88d34b1ed0c98d9fa1061143fb2b4d9c26b9e4c5d12c8944a4040fd06"`
[INFO] [stdout] c6b848e88d34b1ed0c98d9fa1061143fb2b4d9c26b9e4c5d12c8944a4040fd06