[INFO] fetching crate iotdb-client-rs 0.3.12...
[INFO] checking iotdb-client-rs-0.3.12 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate iotdb-client-rs 0.3.12 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate iotdb-client-rs 0.3.12
[INFO] finished tweaking crates.io crate iotdb-client-rs 0.3.12
[INFO] tweaked toml for crates.io crate iotdb-client-rs 0.3.12 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iotdb-client-rs 0.3.12 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 iotdb-client-rs 0.3.12 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-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] 1829c2fe268daf4639852b5676417d30865039673408481d879e809929a44a74
[INFO] running `Command { std: "docker" "start" "-a" "1829c2fe268daf4639852b5676417d30865039673408481d879e809929a44a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1829c2fe268daf4639852b5676417d30865039673408481d879e809929a44a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1829c2fe268daf4639852b5676417d30865039673408481d879e809929a44a74", kill_on_drop: false }`
[INFO] [stdout] 1829c2fe268daf4639852b5676417d30865039673408481d879e809929a44a74
[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] 83482f6c95798a78cf3d4bebc797ddf175b0c040632d1201ceb21561e4437d99
[INFO] running `Command { std: "docker" "start" "-a" "83482f6c95798a78cf3d4bebc797ddf175b0c040632d1201ceb21561e4437d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking permutation v0.4.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]    Compiling typed-builder-macro v0.18.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking typed-builder v0.18.0
[INFO] [stderr]     Checking iotdb-client-rs v0.3.12 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/session_example.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         #[structopt(short = "h", long, default_value = "127.0.0.1")]
[INFO] [stdout] 38 | |         host: 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<String, Infallible>
[INFO] [stdout]   --> examples/session_example.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         #[structopt(short = "u", long, default_value = "root")]
[INFO] [stdout] 44 | |         user: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/session_example.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         #[structopt(short = "p", long, default_value = "root")]
[INFO] [stdout] 47 | |         password: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iotdb-client-rs` (example "session_example") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "83482f6c95798a78cf3d4bebc797ddf175b0c040632d1201ceb21561e4437d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83482f6c95798a78cf3d4bebc797ddf175b0c040632d1201ceb21561e4437d99", kill_on_drop: false }`
[INFO] [stdout] 83482f6c95798a78cf3d4bebc797ddf175b0c040632d1201ceb21561e4437d99