[INFO] fetching crate rinfluxdb-flux 0.2.0...
[INFO] checking rinfluxdb-flux-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rinfluxdb-flux 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rinfluxdb-flux 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rinfluxdb-flux 0.2.0
[INFO] tweaked toml for crates.io crate rinfluxdb-flux 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rinfluxdb-flux 0.2.0 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 rinfluxdb-flux 0.2.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 91d5399e3777bfe1550e21b186433a89754390db8ac92fba2680b9ab09eba676
[INFO] running `Command { std: "docker" "start" "-a" "91d5399e3777bfe1550e21b186433a89754390db8ac92fba2680b9ab09eba676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d5399e3777bfe1550e21b186433a89754390db8ac92fba2680b9ab09eba676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d5399e3777bfe1550e21b186433a89754390db8ac92fba2680b9ab09eba676", kill_on_drop: false }`
[INFO] [stdout] 91d5399e3777bfe1550e21b186433a89754390db8ac92fba2680b9ab09eba676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4c5a8693532061cc42250d226f56d3cfb1d200e0b942ca658c1a9accb357bae0
[INFO] running `Command { std: "docker" "start" "-a" "4c5a8693532061cc42250d226f56d3cfb1d200e0b942ca658c1a9accb357bae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
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[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.18
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[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking rinfluxdb-types v0.2.0
[INFO] [stderr]     Checking rinfluxdb-dataframe v0.2.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking rinfluxdb-flux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/fetchreadingsflux.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | /     /// InfluxDB bucket
[INFO] [stdout] 94 | |     #[structopt(short, long)]
[INFO] [stdout] 95 | |     pub bucket: 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]   --> examples/fetchreadingsflux.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     /// Influxdb username
[INFO] [stdout] 98 | |     #[structopt(short, long)]
[INFO] [stdout] 99 | |     pub username: 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]    --> examples/fetchreadingsflux.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | /     /// Influxdb password
[INFO] [stdout] 102 | |     #[structopt(short, long)]
[INFO] [stdout] 103 | |     pub password: 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]    --> examples/fetchreadingsflux.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     /// Listen port
[INFO] [stdout] 106 | |     #[structopt()]
[INFO] [stdout] 107 | |     pub query: String,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rinfluxdb-flux` (example "fetchreadingsflux") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4c5a8693532061cc42250d226f56d3cfb1d200e0b942ca658c1a9accb357bae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5a8693532061cc42250d226f56d3cfb1d200e0b942ca658c1a9accb357bae0", kill_on_drop: false }`
[INFO] [stdout] 4c5a8693532061cc42250d226f56d3cfb1d200e0b942ca658c1a9accb357bae0