[INFO] fetching crate gokq 1.0.3...
[INFO] checking gokq-1.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gokq 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate gokq 1.0.3
[INFO] finished tweaking crates.io crate gokq 1.0.3
[INFO] tweaked toml for crates.io crate gokq 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gokq 1.0.3 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 gokq 1.0.3 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1af26e5dd61fb67f6d38943065322abd71dc7b407512ffa5591ae03279a88535
[INFO] running `Command { std: "docker" "start" "-a" "1af26e5dd61fb67f6d38943065322abd71dc7b407512ffa5591ae03279a88535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af26e5dd61fb67f6d38943065322abd71dc7b407512ffa5591ae03279a88535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af26e5dd61fb67f6d38943065322abd71dc7b407512ffa5591ae03279a88535", kill_on_drop: false }`
[INFO] [stdout] 1af26e5dd61fb67f6d38943065322abd71dc7b407512ffa5591ae03279a88535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2b4962ba71c923b597c8c2474c7cef50a6541ed0d17201938758916c875a7dee
[INFO] running `Command { std: "docker" "start" "-a" "2b4962ba71c923b597c8c2474c7cef50a6541ed0d17201938758916c875a7dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.49
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling clap_derive v3.0.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking clap v3.0.4
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking gokq v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[clap(short, long)]
[INFO] [stdout] 26 | |     username: 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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[clap(short, long)]
[INFO] [stdout] 28 | |     password: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gokq` (bin "gokq") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     #[clap(short, long)]
[INFO] [stdout] 26 | |     username: 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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[clap(short, long)]
[INFO] [stdout] 28 | |     password: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gokq` (bin "gokq" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b4962ba71c923b597c8c2474c7cef50a6541ed0d17201938758916c875a7dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4962ba71c923b597c8c2474c7cef50a6541ed0d17201938758916c875a7dee", kill_on_drop: false }`
[INFO] [stdout] 2b4962ba71c923b597c8c2474c7cef50a6541ed0d17201938758916c875a7dee
