[INFO] fetching crate fozzie 1.6.0...
[INFO] checking fozzie-1.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fozzie 1.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fozzie 1.6.0
[INFO] finished tweaking crates.io crate fozzie 1.6.0
[INFO] tweaked toml for crates.io crate fozzie 1.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fozzie 1.6.0 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 fozzie 1.6.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 50ad47f68a4ad55332740d9241c1e77ba9a6ad8b532646c40c3afbbf69af01e4
[INFO] running `Command { std: "docker" "start" "-a" "50ad47f68a4ad55332740d9241c1e77ba9a6ad8b532646c40c3afbbf69af01e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50ad47f68a4ad55332740d9241c1e77ba9a6ad8b532646c40c3afbbf69af01e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ad47f68a4ad55332740d9241c1e77ba9a6ad8b532646c40c3afbbf69af01e4", kill_on_drop: false }`
[INFO] [stdout] 50ad47f68a4ad55332740d9241c1e77ba9a6ad8b532646c40c3afbbf69af01e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ed348b70fdd54a4fa99ce7d77eb1557dc0915cdeac08262bd5ff0e5bd893690b
[INFO] running `Command { std: "docker" "start" "-a" "ed348b70fdd54a4fa99ce7d77eb1557dc0915cdeac08262bd5ff0e5bd893690b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]    Compiling fozzie v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/config.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let prompt      = value_t_or_exit!(matches, "prompt", String);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/config.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Some(value_t_or_exit!(matches, "query", String))
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/config.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |             Some(value_t_or_exit!(matches, "query", String))
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/config.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let delimiter = value_t_or_exit!(matches, "delimiter", String);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fozzie` (build script) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ed348b70fdd54a4fa99ce7d77eb1557dc0915cdeac08262bd5ff0e5bd893690b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed348b70fdd54a4fa99ce7d77eb1557dc0915cdeac08262bd5ff0e5bd893690b", kill_on_drop: false }`
[INFO] [stdout] ed348b70fdd54a4fa99ce7d77eb1557dc0915cdeac08262bd5ff0e5bd893690b