[INFO] fetching crate tagr 0.1.2...
[INFO] checking tagr-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tagr 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tagr 0.1.2
[INFO] finished tweaking crates.io crate tagr 0.1.2
[INFO] tweaked toml for crates.io crate tagr 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tagr 0.1.2 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 tagr 0.1.2 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] c3460af4815ecb17476f6c016228bb7aa8a652a480d2717abf447e9ade776dc0
[INFO] running `Command { std: "docker" "start" "-a" "c3460af4815ecb17476f6c016228bb7aa8a652a480d2717abf447e9ade776dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3460af4815ecb17476f6c016228bb7aa8a652a480d2717abf447e9ade776dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3460af4815ecb17476f6c016228bb7aa8a652a480d2717abf447e9ade776dc0", kill_on_drop: false }`
[INFO] [stdout] c3460af4815ecb17476f6c016228bb7aa8a652a480d2717abf447e9ade776dc0
[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] d432907ba95dfc7f88d5072ae1b905034eb98adc5503a5741d4b21feef44b7fa
[INFO] running `Command { std: "docker" "start" "-a" "d432907ba95dfc7f88d5072ae1b905034eb98adc5503a5741d4b21feef44b7fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking tagr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<tag::Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         /// Tag to add the files to
[INFO] [stdout] 22 | |         tag: Tag,
[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<file::File, Infallible>
[INFO] [stdout]   --> src/cli.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         /// List of files to tag
[INFO] [stdout] 25 | |         files: Vec<File>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tag::Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// Tag to add the files to
[INFO] [stdout] 31 | |         tag: Tag,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/cli.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         /// List of files to untag
[INFO] [stdout] 34 | |         files: Vec<File>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tag::Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         /// Tag to list files for
[INFO] [stdout] 40 | |         tag: Tag,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 35 | |         let path = PathBuf::from_str(s)?;
[INFO] [stdout] 36 | |         let file = Self { path };
[INFO] [stdout] 37 | |         file.validate_or_crash();
[INFO] [stdout] 38 | |         Ok(file)
[INFO] [stdout] 39 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(file)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/tag.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 .map(|line| File::from_str(&line.unwrap()).unwrap())
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tag::Tag, Infallible>
[INFO] [stdout]    --> src/tag.rs:134:56
[INFO] [stdout]     |
[INFO] [stdout] 134 |       fn from_str(name: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ________________________________________________________^
[INFO] [stdout] 135 | |         Ok(Self::from(name))
[INFO] [stdout] 136 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tag::Tag, Infallible>
[INFO] [stdout]    --> src/tag.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         Ok(Self::from(name))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tagr` (bin "tagr" test) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         /// Tag to add the files to
[INFO] [stdout] 22 | |         tag: Tag,
[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<file::File, Infallible>
[INFO] [stdout]   --> src/cli.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         /// List of files to tag
[INFO] [stdout] 25 | |         files: Vec<File>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// Tag to add the files to
[INFO] [stdout] 31 | |         tag: Tag,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/cli.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         /// List of files to untag
[INFO] [stdout] 34 | |         files: Vec<File>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Tag, Infallible>
[INFO] [stdout]   --> src/cli.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         /// Tag to list files for
[INFO] [stdout] 40 | |         tag: Tag,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 35 | |         let path = PathBuf::from_str(s)?;
[INFO] [stdout] 36 | |         let file = Self { path };
[INFO] [stdout] 37 | |         file.validate_or_crash();
[INFO] [stdout] 38 | |         Ok(file)
[INFO] [stdout] 39 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let path = PathBuf::from_str(s)?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/file.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(file)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<file::File, Infallible>
[INFO] [stdout]   --> src/tag.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 .map(|line| File::from_str(&line.unwrap()).unwrap())
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Tag, Infallible>
[INFO] [stdout]    --> src/tag.rs:134:56
[INFO] [stdout]     |
[INFO] [stdout] 134 |       fn from_str(name: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ________________________________________________________^
[INFO] [stdout] 135 | |         Ok(Self::from(name))
[INFO] [stdout] 136 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Tag, Infallible>
[INFO] [stdout]    --> src/tag.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         Ok(Self::from(name))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tagr` (bin "tagr") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "d432907ba95dfc7f88d5072ae1b905034eb98adc5503a5741d4b21feef44b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d432907ba95dfc7f88d5072ae1b905034eb98adc5503a5741d4b21feef44b7fa", kill_on_drop: false }`
[INFO] [stdout] d432907ba95dfc7f88d5072ae1b905034eb98adc5503a5741d4b21feef44b7fa
