[INFO] fetching crate ibc-core-connection-types 0.48.1...
[INFO] checking ibc-core-connection-types-0.48.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ibc-core-connection-types 0.48.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ibc-core-connection-types 0.48.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibc-core-connection-types 0.48.1
[INFO] finished tweaking crates.io crate ibc-core-connection-types 0.48.1
[INFO] tweaked toml for crates.io crate ibc-core-connection-types 0.48.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ibc-core-host-types v0.48.2
[INFO] [stderr]   Downloaded informalsystems-pbjson v0.7.0
[INFO] [stderr]   Downloaded ibc-primitives v0.48.2
[INFO] [stderr]   Downloaded ics23 v0.11.1
[INFO] [stderr]   Downloaded flex-error v0.4.4
[INFO] [stderr]   Downloaded ibc-core-client-types v0.48.2
[INFO] [stderr]   Downloaded tendermint v0.34.1
[INFO] [stderr]   Downloaded ibc-core-commitment-types v0.48.2
[INFO] [stderr]   Downloaded ibc-proto v0.38.0
[INFO] [stderr]   Downloaded tendermint-proto v0.34.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3732f5bd0757184ef8bb074233ee18dde686aa7e6c0b238f950ab00a4e3f5fd
[INFO] running `Command { std: "docker" "start" "-a" "c3732f5bd0757184ef8bb074233ee18dde686aa7e6c0b238f950ab00a4e3f5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3732f5bd0757184ef8bb074233ee18dde686aa7e6c0b238f950ab00a4e3f5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3732f5bd0757184ef8bb074233ee18dde686aa7e6c0b238f950ab00a4e3f5fd", kill_on_drop: false }`
[INFO] [stdout] c3732f5bd0757184ef8bb074233ee18dde686aa7e6c0b238f950ab00a4e3f5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b0e39fa33b9f2b53baa81781e0b839e9f7b115e16b6290048fad6a0fd784e5
[INFO] running `Command { std: "docker" "start" "-a" "a6b0e39fa33b9f2b53baa81781e0b839e9f7b115e16b6290048fad6a0fd784e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking informalsystems-pbjson v0.7.0
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking prost-types v0.12.3
[INFO] [stderr]     Checking ics23 v0.11.1
[INFO] [stderr]     Checking tendermint-proto v0.34.1
[INFO] [stderr]     Checking tendermint v0.34.1
[INFO] [stderr]     Checking ibc-proto v0.38.0
[INFO] [stderr]     Checking ibc-primitives v0.48.2
[INFO] [stderr]     Checking ibc-core-commitment-types v0.48.2
[INFO] [stderr]     Checking ibc-core-host-types v0.48.2
[INFO] [stderr]     Checking ibc-core-client-types v0.48.2
[INFO] [stderr]     Checking ibc-core-connection-types v0.48.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:46:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:46:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-core-connection-types` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-core-connection-types` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a6b0e39fa33b9f2b53baa81781e0b839e9f7b115e16b6290048fad6a0fd784e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b0e39fa33b9f2b53baa81781e0b839e9f7b115e16b6290048fad6a0fd784e5", kill_on_drop: false }`
[INFO] [stdout] a6b0e39fa33b9f2b53baa81781e0b839e9f7b115e16b6290048fad6a0fd784e5
[INFO] checking ibc-core-connection-types-0.48.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ibc-core-connection-types 0.48.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ibc-core-connection-types 0.48.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibc-core-connection-types 0.48.1
[INFO] finished tweaking crates.io crate ibc-core-connection-types 0.48.1
[INFO] tweaked toml for crates.io crate ibc-core-connection-types 0.48.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475068ff366d5c9ae93e0cc960fea703342eb0aab4d45ff49253783e39db4faa
[INFO] running `Command { std: "docker" "start" "-a" "475068ff366d5c9ae93e0cc960fea703342eb0aab4d45ff49253783e39db4faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475068ff366d5c9ae93e0cc960fea703342eb0aab4d45ff49253783e39db4faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475068ff366d5c9ae93e0cc960fea703342eb0aab4d45ff49253783e39db4faa", kill_on_drop: false }`
[INFO] [stdout] 475068ff366d5c9ae93e0cc960fea703342eb0aab4d45ff49253783e39db4faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f38a4684522174e65290aebaf3562362f088dc9a03989e117f568b56bd3f184a
[INFO] running `Command { std: "docker" "start" "-a" "f38a4684522174e65290aebaf3562362f088dc9a03989e117f568b56bd3f184a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking informalsystems-pbjson v0.7.0
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking prost-types v0.12.3
[INFO] [stderr]     Checking ics23 v0.11.1
[INFO] [stderr]     Checking tendermint-proto v0.34.1
[INFO] [stderr]     Checking tendermint v0.34.1
[INFO] [stderr]     Checking ibc-proto v0.38.0
[INFO] [stderr]     Checking ibc-primitives v0.48.2
[INFO] [stderr]     Checking ibc-core-host-types v0.48.2
[INFO] [stderr]     Checking ibc-core-commitment-types v0.48.2
[INFO] [stderr]     Checking ibc-core-client-types v0.48.2
[INFO] [stderr]     Checking ibc-core-connection-types v0.48.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/prelude/mod.rs:46:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/msgs/conn_open_try.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/prelude/mod.rs:46:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-core-connection-types` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-core-connection-types` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f38a4684522174e65290aebaf3562362f088dc9a03989e117f568b56bd3f184a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38a4684522174e65290aebaf3562362f088dc9a03989e117f568b56bd3f184a", kill_on_drop: false }`
[INFO] [stdout] f38a4684522174e65290aebaf3562362f088dc9a03989e117f568b56bd3f184a
