[INFO] fetching crate wcb 2.0.1...
[INFO] checking wcb-2.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate wcb 2.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate wcb 2.0.1
[INFO] finished tweaking crates.io crate wcb 2.0.1
[INFO] tweaked toml for crates.io crate wcb 2.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wcb 2.0.1 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 wcb 2.0.1 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] f0181243b7760f02c9c2c47206afec7f7c4091d5d3d19da716939bd5375ece8e
[INFO] running `Command { std: "docker" "start" "-a" "f0181243b7760f02c9c2c47206afec7f7c4091d5d3d19da716939bd5375ece8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0181243b7760f02c9c2c47206afec7f7c4091d5d3d19da716939bd5375ece8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0181243b7760f02c9c2c47206afec7f7c4091d5d3d19da716939bd5375ece8e", kill_on_drop: false }`
[INFO] [stdout] f0181243b7760f02c9c2c47206afec7f7c4091d5d3d19da716939bd5375ece8e
[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] 66e69e264c3a56d259e432eed2b387c20247b95340a08ddc4efc0d07a10e8d05
[INFO] running `Command { std: "docker" "start" "-a" "66e69e264c3a56d259e432eed2b387c20247b95340a08ddc4efc0d07a10e8d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]     Checking webcryptobox v2.0.0
[INFO] [stderr]    Compiling clap_complete v3.1.1
[INFO] [stderr]    Compiling wcb v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/cli.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | /         /// Passphrase
[INFO] [stdout] 104 | |         #[clap(index = 1, value_name = "PASSPHRASE")]
[INFO] [stdout] 105 | |         passphrase: 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/cli.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         /// Passphrase
[INFO] [stdout] 118 | |         #[clap(index = 1, value_name = "PASSPHRASE")]
[INFO] [stdout] 119 | |         passphrase: 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/cli.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | /         /// AES key, hex encoded
[INFO] [stdout] 180 | |         #[clap(index = 1, value_name = "KEY")]
[INFO] [stdout] 181 | |         key: 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/cli.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         /// AES key, hex encoded
[INFO] [stdout] 198 | |         #[clap(index = 1, value_name = "KEY")]
[INFO] [stdout] 199 | |         key: String,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wcb` (build script) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "66e69e264c3a56d259e432eed2b387c20247b95340a08ddc4efc0d07a10e8d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e69e264c3a56d259e432eed2b387c20247b95340a08ddc4efc0d07a10e8d05", kill_on_drop: false }`
[INFO] [stdout] 66e69e264c3a56d259e432eed2b387c20247b95340a08ddc4efc0d07a10e8d05
