[INFO] fetching crate hrana-client-proto 0.2.1...
[INFO] checking hrana-client-proto-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate hrana-client-proto 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate hrana-client-proto 0.2.1
[INFO] finished tweaking crates.io crate hrana-client-proto 0.2.1
[INFO] tweaked toml for crates.io crate hrana-client-proto 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hrana-client-proto 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6ee06aa0a1679a8c821df1a588b0caa6427071893e2077c111096891d6392fd2
[INFO] running `Command { std: "docker" "start" "-a" "6ee06aa0a1679a8c821df1a588b0caa6427071893e2077c111096891d6392fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee06aa0a1679a8c821df1a588b0caa6427071893e2077c111096891d6392fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee06aa0a1679a8c821df1a588b0caa6427071893e2077c111096891d6392fd2", kill_on_drop: false }`
[INFO] [stdout] 6ee06aa0a1679a8c821df1a588b0caa6427071893e2077c111096891d6392fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e823c0ec76dac7ce3699baa1571eacfcaa21ac0bf83dcd981493f0ba447a7562
[INFO] running `Command { std: "docker" "start" "-a" "e823c0ec76dac7ce3699baa1571eacfcaa21ac0bf83dcd981493f0ba447a7562", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking hrana-client-proto v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 | impl_value_try_from_pod!(Integer, i64);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:357:53
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     Value::$variant { value: v } => (*v).try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 | impl_value_try_from_pod!(Integer, i64);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | impl_value_try_from_pod!(Float, f64);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:357:53
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     Value::$variant { value: v } => (*v).try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | impl_value_try_from_pod!(Float, f64);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | impl_value_try_from_ref!(Text, String, str);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 | impl_value_try_from_ref!(Blob, Vec<u8>, [u8]);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hrana-client-proto` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 | impl_value_try_from_pod!(Integer, i64);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:357:53
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     Value::$variant { value: v } => (*v).try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 | impl_value_try_from_pod!(Integer, i64);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | impl_value_try_from_pod!(Float, f64);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:357:53
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     Value::$variant { value: v } => (*v).try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | impl_value_try_from_pod!(Float, f64);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_pod` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | impl_value_try_from_ref!(Text, String, str);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Value::$variant { value: v } => v.try_into().map_err(|e| format!("{e}")),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 | impl_value_try_from_ref!(Blob, Vec<u8>, [u8]);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_value_try_from_core` which comes from the expansion of the macro `impl_value_try_from_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hrana-client-proto` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "e823c0ec76dac7ce3699baa1571eacfcaa21ac0bf83dcd981493f0ba447a7562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e823c0ec76dac7ce3699baa1571eacfcaa21ac0bf83dcd981493f0ba447a7562", kill_on_drop: false }`
[INFO] [stdout] e823c0ec76dac7ce3699baa1571eacfcaa21ac0bf83dcd981493f0ba447a7562