[INFO] fetching crate ibc-types-core-connection 0.16.0...
[INFO] checking ibc-types-core-connection-0.16.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ibc-types-core-connection 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ibc-types-core-connection 0.16.0
[INFO] finished tweaking crates.io crate ibc-types-core-connection 0.16.0
[INFO] tweaked toml for crates.io crate ibc-types-core-connection 0.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ibc-types-core-connection 0.16.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ibc-types-core-connection 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 708142db41c054a99ca2820474b02d38ceaea11b07ecd14952a305d771a4a727
[INFO] running `Command { std: "docker" "start" "-a" "708142db41c054a99ca2820474b02d38ceaea11b07ecd14952a305d771a4a727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708142db41c054a99ca2820474b02d38ceaea11b07ecd14952a305d771a4a727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708142db41c054a99ca2820474b02d38ceaea11b07ecd14952a305d771a4a727", kill_on_drop: false }`
[INFO] [stdout] 708142db41c054a99ca2820474b02d38ceaea11b07ecd14952a305d771a4a727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 075df69c9dd8a3f46246fa22e2fa70be95d281f91fab808504789fc82becc760
[INFO] running `Command { std: "docker" "start" "-a" "075df69c9dd8a3f46246fa22e2fa70be95d281f91fab808504789fc82becc760", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]    Compiling cc v1.2.18
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.94
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[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
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[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking env_filter v0.1.3
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[INFO] [stderr]     Checking uint v0.9.5
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[INFO] [stderr]    Compiling safe-regex-compiler v0.2.6
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[INFO] [stderr]    Compiling safe-regex-macro v0.2.6
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[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
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[INFO] [stderr]     Checking informalsystems-pbjson v0.7.0
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking ibc-types-identifier v0.16.0
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking primitive-types v0.12.2
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking tendermint-proto v0.40.3
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[INFO] [stderr]     Checking ibc-types-domain-type v0.16.0
[INFO] [stderr]     Checking test-log v0.2.17
[INFO] [stderr]     Checking tendermint v0.40.3
[INFO] [stderr]     Checking cosmos-sdk-proto v0.27.0
[INFO] [stderr]     Checking ibc-types-timestamp v0.16.0
[INFO] [stderr]     Checking tendermint-light-client-verifier v0.40.3
[INFO] [stderr]     Checking ibc-proto v0.52.0
[INFO] [stderr]     Checking ibc-types-core-commitment v0.16.0
[INFO] [stderr]     Checking ibc-types-core-client v0.16.0
[INFO] [stderr]     Checking ibc-types-core-connection v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:127:54
[INFO] [stdout]     |
[INFO] [stdout] 127 |       fn from_str(id: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 128 | |         Ok(Self::from_string(id))
[INFO] [stdout] 129 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Ok(Self::from_string(id))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         ChainId::from_str(id.as_str()).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         "defaultChainId".to_string().parse().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-types-core-connection` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:127:54
[INFO] [stdout]     |
[INFO] [stdout] 127 |       fn from_str(id: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 128 | |         Ok(Self::from_string(id))
[INFO] [stdout] 129 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Ok(Self::from_string(id))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         ChainId::from_str(id.as_str()).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<ChainId, Infallible>
[INFO] [stdout]    --> src/identifier.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         "defaultChainId".to_string().parse().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibc-types-core-connection` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "075df69c9dd8a3f46246fa22e2fa70be95d281f91fab808504789fc82becc760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075df69c9dd8a3f46246fa22e2fa70be95d281f91fab808504789fc82becc760", kill_on_drop: false }`
[INFO] [stdout] 075df69c9dd8a3f46246fa22e2fa70be95d281f91fab808504789fc82becc760
