[INFO] fetching crate snowflake-deserializer 0.4.0...
[INFO] checking snowflake-deserializer-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate snowflake-deserializer 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate snowflake-deserializer 0.4.0
[INFO] finished tweaking crates.io crate snowflake-deserializer 0.4.0
[INFO] tweaked toml for crates.io crate snowflake-deserializer 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snowflake-deserializer 0.4.0 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 snowflake-deserializer 0.4.0 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] ab4904c6c85ec588bec2fbf02813816772ac8e2bb84ed8d9f601888e3d5a3b4f
[INFO] running `Command { std: "docker" "start" "-a" "ab4904c6c85ec588bec2fbf02813816772ac8e2bb84ed8d9f601888e3d5a3b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4904c6c85ec588bec2fbf02813816772ac8e2bb84ed8d9f601888e3d5a3b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4904c6c85ec588bec2fbf02813816772ac8e2bb84ed8d9f601888e3d5a3b4f", kill_on_drop: false }`
[INFO] [stdout] ab4904c6c85ec588bec2fbf02813816772ac8e2bb84ed8d9f601888e3d5a3b4f
[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] e7c30f52a48dd799dcdcf5440bbae41aff1422432cbb25446af008f35c1b9ca5
[INFO] running `Command { std: "docker" "start" "-a" "e7c30f52a48dd799dcdcf5440bbae41aff1422432cbb25446af008f35c1b9ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]     Checking snowflake-deserializer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn execute<D: ToString>(&self, database: D) -> SnowflakeExecutor<D> {
[INFO] [stdout]    |                                 ^^^^^                  ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn execute<D: ToString>(&self, database: D) -> SnowflakeExecutor<'_, D> {
[INFO] [stdout]    |                                                                          +++
[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:562:79
[INFO] [stdout]     |
[INFO] [stdout] 562 |               fn deserialize_from_str(value: &str) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 563 | |                 <$ty>::from_str(value)
[INFO] [stdout] 564 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 583 |   impl_deserialize_from_str!(String);
[INFO] [stdout]     |   ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_deserialize_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:563:17
[INFO] [stdout]     |
[INFO] [stdout] 563 |                 <$ty>::from_str(value)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 583 | impl_deserialize_from_str!(String);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_deserialize_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snowflake-deserializer` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn execute<D: ToString>(&self, database: D) -> SnowflakeExecutor<D> {
[INFO] [stdout]    |                                 ^^^^^                  ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn execute<D: ToString>(&self, database: D) -> SnowflakeExecutor<'_, D> {
[INFO] [stdout]    |                                                                          +++
[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:562:79
[INFO] [stdout]     |
[INFO] [stdout] 562 |               fn deserialize_from_str(value: &str) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 563 | |                 <$ty>::from_str(value)
[INFO] [stdout] 564 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 583 |   impl_deserialize_from_str!(String);
[INFO] [stdout]     |   ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_deserialize_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lib.rs:563:17
[INFO] [stdout]     |
[INFO] [stdout] 563 |                 <$ty>::from_str(value)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 583 | impl_deserialize_from_str!(String);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_deserialize_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snowflake-deserializer` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e7c30f52a48dd799dcdcf5440bbae41aff1422432cbb25446af008f35c1b9ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c30f52a48dd799dcdcf5440bbae41aff1422432cbb25446af008f35c1b9ca5", kill_on_drop: false }`
[INFO] [stdout] e7c30f52a48dd799dcdcf5440bbae41aff1422432cbb25446af008f35c1b9ca5
