[INFO] cloning repository https://github.com/konata233/inio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konata233/inio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonata233%2Finio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonata233%2Finio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbf94cdad9331487852d2e20f3bac653d6165268
[INFO] checking konata233/inio against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonata233%2Finio" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/konata233/inio
[INFO] finished tweaking git repo https://github.com/konata233/inio
[INFO] tweaked toml for git repo https://github.com/konata233/inio written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/konata233/inio 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 git repo https://github.com/konata233/inio 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dace0289b6d4da020ece3534a62abc756e1ab9b71fe4289e441feabd3a8bbc63
[INFO] running `Command { std: "docker" "start" "-a" "dace0289b6d4da020ece3534a62abc756e1ab9b71fe4289e441feabd3a8bbc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dace0289b6d4da020ece3534a62abc756e1ab9b71fe4289e441feabd3a8bbc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dace0289b6d4da020ece3534a62abc756e1ab9b71fe4289e441feabd3a8bbc63", kill_on_drop: false }`
[INFO] [stdout] dace0289b6d4da020ece3534a62abc756e1ab9b71fe4289e441feabd3a8bbc63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dff77c822c2a6b64cef2c8507642e66d727deb33179e5984879af87e4cab4265
[INFO] running `Command { std: "docker" "start" "-a" "dff77c822c2a6b64cef2c8507642e66d727deb33179e5984879af87e4cab4265", kill_on_drop: false }`
[INFO] [stderr]     Checking inio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/file/key.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |             value: value.trim().trim_end_matches('\0').parse().unwrap(),
[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]   --> src/file/key.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |             value: value.trim().trim_end_matches('\0').parse().unwrap(),
[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: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   Key::new(tmp.trim().trim_end_matches('\0').parse()?,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   Key::new(tmp.trim().trim_end_matches('\0').parse()?,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   l.trim().trim_end_matches('\0').parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   l.trim().trim_end_matches('\0').parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:86:60
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:86:60
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         Key::new(key.parse()?,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         Key::new(key.parse()?,
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   value.parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   value.parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   Key::new(tmp.trim().trim_end_matches('\0').parse()?,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   Key::new(tmp.trim().trim_end_matches('\0').parse()?,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   l.trim().trim_end_matches('\0').parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   l.trim().trim_end_matches('\0').parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:86:60
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:86:60
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   Key::new(key.parse()?, value.parse()?)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         Key::new(key.parse()?,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         Key::new(key.parse()?,
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/io/reader.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   value.parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/io/reader.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   value.parse()?
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inio` (lib) due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `inio` (lib test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "dff77c822c2a6b64cef2c8507642e66d727deb33179e5984879af87e4cab4265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff77c822c2a6b64cef2c8507642e66d727deb33179e5984879af87e4cab4265", kill_on_drop: false }`
[INFO] [stdout] dff77c822c2a6b64cef2c8507642e66d727deb33179e5984879af87e4cab4265