[INFO] fetching crate rotor 0.6.3...
[INFO] building rotor-0.6.3 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate rotor 0.6.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rotor 0.6.3 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotor 0.6.3
[INFO] finished tweaking crates.io crate rotor 0.6.3
[INFO] tweaked toml for crates.io crate rotor 0.6.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddaf76503553d96fa846a740423a0190256ed1624edc431ab1f094fd6e060bc2
[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" "ddaf76503553d96fa846a740423a0190256ed1624edc431ab1f094fd6e060bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddaf76503553d96fa846a740423a0190256ed1624edc431ab1f094fd6e060bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaf76503553d96fa846a740423a0190256ed1624edc431ab1f094fd6e060bc2", kill_on_drop: false }`
[INFO] [stdout] ddaf76503553d96fa846a740423a0190256ed1624edc431ab1f094fd6e060bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--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] 8de12b6475314bf5fdb5d675d25705d54e10e1add4e0f3c50df65308196d4e45
[INFO] running `Command { std: "docker" "start" "-a" "8de12b6475314bf5fdb5d675d25705d54e10e1add4e0f3c50df65308196d4e45", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (75b84863966839e5, 8a92c743b00988cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (247a56600c070043, 36ed370c806b17e4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (6850ec473d3b9774, f47ef655dd3e677d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (fc5017ae792838b5, 3ca08468706d353e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (7d15f4506c408027, 3d0f12b61dc147af), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (e5ecea5a5d82654a, ae46fba48d83acc8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (e2e27fa562bff5a0, e5b988c7d2daacdb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (b601ec4e17276549, 6512dc282a050bed), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: bytes, (a66a485a1b044cd1, 638ef3e549821bc1), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: net2, (4ea2c02456f77992, c3661d2a3bff32fe), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (c936b1f37549ef92, 7489c99c7fa03a1c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (3e84c4dec7b83c33, c5165c32061ababf), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (b635b46d400cc99, 376eda7a78b09ef4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (8669d19073e38da1, b9fef71cd81346b4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (ffab9195238ca098, 548fe725209beddd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (d716dc51ea7953, 344b6a731ed9a820), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (bd722c0a9f644a0d, 5a53861bb5ed1b38), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (587f0018c24288e4, f31b8650e3f8d896), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (7339740c37f4f3bd, 949b8483d39f689b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (3ea13184e3bd34fc, e9b8aa20ce62e451), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (6088a1fa87e88f06, 4ad920778124180e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (cf2f535be0f6c1cc, 8d4ecf179365cf68), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (2c7f5ed950ce9558, 117b6160df12479), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (abca7471b79182, 377268087cb56223), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (4181cd77efc15a9, c11556f345e1ac9e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (5988438ce3c17e66, de19285368d51ef7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (948de00e5b414ece, 57b3cd7346e18b5e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (87b4e6cea6568a0e, b25abff98d29ae26), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (62955594306e8171, 9542f660a3beb194), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (e68771e364bd347a, bc3c94f64bab9deb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (98c61c7d49473484, ee83148d09a2603c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: net2, (1e358b819a7f4912, aa48bd9421129793), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (883cbcc53b667635, 5aa2a972b44771b5), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (858cae18f9a42100, f2d5d40be36467eb), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (c0245fb31ee94849, 8527f352b9038355), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (276e81960b6072af, d98e6c0a5213f6ff), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (47fe015e996376fe, cf13ba384fc1d94d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (f022b40832091f90, e651f64033522b80), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: net2, (f82454761f54c74e, 827a86f057b1cb42), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: log, (46ee359cb26f707, 1966914ad90b68fc), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: log, (5a6bab9058b5bd57, d2801f68d0e7c8f0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: log, (981159ab207ef9c9, 99dab77de1c4bbfa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: log, (9c7c371e8de1ec0a, 1386f9d7a5b30134), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: log, (b024b5051f793242, a3ce4f5c5c8b0567), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: log, (724108b13f34498b, 690dde5982f3fb21), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: log, (8098ae8a62236417, f558ee49a3aae5d), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: log, (e519d6ed2d07d96d, b52cbd05c71464ce), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (138085e056a270f6, 13f188afb496dab5), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (ab27881b1d952734, b4608fc61bb51f02), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (58279649268ddf39, fea2741e190b85b2), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (dcc347125b202c60, a86e2941fdc6fc0e), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (2c250627461396ef, c0d51850912ff286), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (de65972c6c48e96, b06d52701aae0214), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (23399ecd55d29399, 580ce22a972ce8d1), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (70f138978b6de95b, 81437fb899433f03), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (a8947dfdf7446d3a, b5da497bbf632415), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (f7a54098d338807c, 33f324978a4b46b3), 16, 16
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[INFO] [stderr] SG_CR_Eslkdjf: time, (2991ac7eee33b7d3, 6de5b1049729bba8), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (96f9ccc74a649054, 4ec8ed49b6573d84), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (22f962830f6d6fc, 4d429a3ce3d11dfd), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (41cfa6f38dfac18a, 52f6e0bdc70a0eb0), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (3aea8b67b39d444d, e421ada6eb94958d), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (397b46221c694a86, 72fce51e181522e), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (52b79db17c590896, 8e82b1db2dc8bf67), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (1e86a29f27607a6c, cec43fd4558afc6c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (21b0e10557808477, 298224d9a7a19c8c), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (9ef07066f863ad4d, 23adf36ed2413e91), 8, 8
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[INFO] [stderr] SG_CR_Eslkdjf: time, (86d078c6ae428e74, 2fcc5bcc11e9162f), 16, 16
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[INFO] [stderr] SG_CR_Eslkdjf: time, (34b4930610ab3b30, 96a5cfc1ced13d20), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (884916f06251a717, 7e366846c901914), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (1a66039006152580, 50a3a6d04ab3fded), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (ef7be2b5e0bc14f5, 6b3595ceedd6c3b6), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: time, (cd3ffa83d5add1c0, 75441c476f60fc86), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: time, (80513e3d241d83d0, 1906fff752681e77), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (114b9a60fc1fad15, 96461be931804d0), 0, 0
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[INFO] [stderr] SG_CR_Eslkdjf: nix, (e2da591b39af8818, ce6c505bb50fdb45), 8, 8
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[INFO] [stderr] SG_CR_Eslkdjf: nix, (f82fc93f496348a2, 8d39d6561ad0b746), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (343875a674b8a8c4, c1c2bda179d77312), 0, 0
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[INFO] [stderr] SG_CR_Eslkdjf: nix, (6542372a139d8ed0, da570121a37912d3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (37f2b4ea41485421, c503ac985eb16de3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (64f56943f5bde9e7, 864f82efa664b95b), 0, 0
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[INFO] [stderr] SG_CR_Eslkdjf: nix, (964c1031d7fb4a22, ce6e5413e0fcf8cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nix, (9f0aeff5b17fff84, 56c54df4c5e01fde), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (63d329b8550129c5, 41fd8fbc6f6f1a09), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5cda442b211ddf24, 87322cf80a9dbd61), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: nix, (5848c59b12f68cd4, 954efde923d4be90), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: log, (2a93cd3c04933b35, b11d34bb6a790cf3), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: log, (6503e610643849f, efcc5c30b886a395), 0, 0
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[INFO] [stderr] SG_CR_Eslkdjf: log, (ff8d7f3e92571bfa, 6989508b0b31b4d3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (d60b27136c3c08c3, 88733ffddb306b25), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (eb9f202ddc9cbfc, 58aab1259bfb0424), 8, 8
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[INFO] [stderr] SG_CR_Eslkdjf: mio, (c90771185551b0fb, 15332961b043a3a1), 0, 0
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[INFO] [stderr] SG_CR_Eslkdjf: mio, (6d846de3084dfacb, ee2dcb171c194576), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: mio, (c313ab540094ce10, 285b50c421d2a2b0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (a82db0d8a7e705db, a34148855766d026), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (89082a685d5a4531, 66d519155b025480), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (460929564387c973, e913f2bd29a45519), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (cf301752daeac0d3, f812e9036e5553dc), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (d75ef7242bd57aad, 9b0415ac569f8fe1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (171ef31276ce23a, 31868cc7524f73f2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (71c1aa2a29aacb72, 81b0cc2d736ded4d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: mio, (fabacc4afffd03f3, c9479753f05894eb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (415beb5d9218a86a, 8bc3238617dda675), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (1dec679898775373, e3b848b099ee8527), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (6f370af82250d412, a189abfda7adfe6a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (dc6f29177be61192, 9d80a5d009b79638), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: mio, (57317b3e9ec72be0, fbc4b472cfee683c), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mio, (74b60d60eb299d15, 8b12b6c87a1a039), 0, 0
[INFO] [stderr]    Compiling rotor v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     loop_api: &'a mut LoopApi,
[INFO] [stdout]    |                       ^^^^^^^ help: use `dyn`: `dyn LoopApi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |     loop_api: &'a mut LoopApi,
[INFO] [stdout]    |                       ^^^^^^^ help: use `dyn`: `dyn LoopApi`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn register(&mut self, io: &Evented, interest: EventSet, opt: PollOpt)
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn reregister(&mut self, io: &Evented,
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scope.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn deregister(&mut self, io: &Evented) -> io::Result<()>;
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:100:37
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn register(&mut self, io: &Evented, interest: EventSet, opt: PollOpt)
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:106:39
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn reregister(&mut self, io: &Evented,
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn deregister(&mut self, io: &Evented) -> io::Result<()>
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn register(&mut self, io: &Evented, interest: EventSet, opt: PollOpt)
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn reregister(&mut self, io: &Evented,
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:180:35
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn deregister(&mut self, io: &Evented) -> io::Result<()>
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:231:37
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn register(&mut self, io: &Evented, interest: EventSet, opt: PollOpt)
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:237:39
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn reregister(&mut self, io: &Evented,
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:244:39
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn deregister(&mut self, io: &Evented) -> io::Result<()>
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:295:33
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn register(&mut self, io: &Evented, interest: EventSet, opt: PollOpt)
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn reregister(&mut self, io: &Evented,
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scope.rs:308:35
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn deregister(&mut self, io: &Evented) -> io::Result<()>
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn register(&mut self, io: &Evented, token: Token,
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn reregister(&mut self, io: &Evented, token: Token,
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn deregister(&mut self, io: &Evented) -> io::Result<()>;
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn register(&mut self, io: &Evented, token: Token,
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn reregister(&mut self, io: &Evented, token: Token,
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_api.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn deregister(&mut self, io: &Evented) -> io::Result<()>
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Error(Box<Error>),
[INFO] [stdout]    |               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn error(e: Box<Error>) -> Response<M, N> {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:109:36
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:164:38
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn expect_error(self) -> Box<Error> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 |     -> (Result<M, Option<Box<Error>>>, Option<N>, Option<Time>)
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scope`
[INFO] [stdout]  --> src/creator.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use scope::{early_scope, EarlyScope, scope, Scope};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/creator.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let eloop = try!(create_loop(&cfg));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UserError(Box<Error>),
[INFO] [stdout]    |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl<S> From<Box<Error>> for SpawnError<S> {
[INFO] [stdout]    |                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn from(x: Box<Error>) -> SpawnError<S> {
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern crate `mio_original` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> src/lib.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub use mio_original as mio;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern crate `void_original` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub use void_original as void;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/notify.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / quick_error! {
[INFO] [stdout] 6  | |     /// Error when waking up a connection
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// In most cases it's okay to panic on this error
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/notify.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / quick_error! {
[INFO] [stdout] 6  | |     /// Error when waking up a connection
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// In most cases it's okay to panic on this error
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/notify.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / quick_error! {
[INFO] [stdout] 6  | |     /// Error when waking up a connection
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// In most cases it's okay to panic on this error
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rotor` due to 3 previous errors; 39 warnings emitted
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:40
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &UserError(ref err) => err.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8de12b6475314bf5fdb5d675d25705d54e10e1add4e0f3c50df65308196d4e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de12b6475314bf5fdb5d675d25705d54e10e1add4e0f3c50df65308196d4e45", kill_on_drop: false }`
[INFO] [stdout] 8de12b6475314bf5fdb5d675d25705d54e10e1add4e0f3c50df65308196d4e45