[INFO] fetching crate rrdb 0.0.2...
[INFO] checking rrdb-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rrdb 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rrdb 0.0.2
[INFO] finished tweaking crates.io crate rrdb 0.0.2
[INFO] tweaked toml for crates.io crate rrdb 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrdb 0.0.2 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 rrdb 0.0.2 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76ddd7fd0dc6098c2af2641814f3ad298b9a1ab2a84a3e78e9ae99774a5bdc3
[INFO] running `Command { std: "docker" "start" "-a" "c76ddd7fd0dc6098c2af2641814f3ad298b9a1ab2a84a3e78e9ae99774a5bdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76ddd7fd0dc6098c2af2641814f3ad298b9a1ab2a84a3e78e9ae99774a5bdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76ddd7fd0dc6098c2af2641814f3ad298b9a1ab2a84a3e78e9ae99774a5bdc3", kill_on_drop: false }`
[INFO] [stdout] c76ddd7fd0dc6098c2af2641814f3ad298b9a1ab2a84a3e78e9ae99774a5bdc3
[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 -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] bf50cf04af390d638b2d269431ab25591458c1406bd78bc8701e59467f00357b
[INFO] running `Command { std: "docker" "start" "-a" "bf50cf04af390d638b2d269431ab25591458c1406bd78bc8701e59467f00357b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking whoami v1.5.1
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking mockall v0.12.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking bson v2.11.0
[INFO] [stderr]     Checking rrdb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/command/init.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub config_path: Option<String>,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/command/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub config: Option<String>,
[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/command/init.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub config_path: Option<String>,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/command/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub config: Option<String>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rrdb` (bin "test") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rrdb` (bin "test" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/command/init.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub config_path: Option<String>,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/command/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub config: Option<String>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pgwire/protocol/extension/data_row_batch.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn create_row(&mut self) -> DataRowWriter {
[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] 41 |     pub fn create_row(&mut self) -> DataRowWriter<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rrdb` (bin "rrdb") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/command/init.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub config_path: Option<String>,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/command/run.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub config: Option<String>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pgwire/protocol/extension/data_row_batch.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn create_row(&mut self) -> DataRowWriter {
[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] 41 |     pub fn create_row(&mut self) -> DataRowWriter<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rrdb` (bin "rrdb" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bf50cf04af390d638b2d269431ab25591458c1406bd78bc8701e59467f00357b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf50cf04af390d638b2d269431ab25591458c1406bd78bc8701e59467f00357b", kill_on_drop: false }`
[INFO] [stdout] bf50cf04af390d638b2d269431ab25591458c1406bd78bc8701e59467f00357b