[INFO] cloning repository https://github.com/AdrianGonz97/filer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdrianGonz97/filer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianGonz97%2Ffiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianGonz97%2Ffiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d14525226d8f3cc78daab01b3c313c6107bb774d
[INFO] checking AdrianGonz97/filer 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%2FAdrianGonz97%2Ffiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AdrianGonz97/filer
[INFO] finished tweaking git repo https://github.com/AdrianGonz97/filer
[INFO] tweaked toml for git repo https://github.com/AdrianGonz97/filer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AdrianGonz97/filer 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/AdrianGonz97/filer 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] [stderr] warning: unused manifest key: package.author
[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] 5d03b1581121e736adfc8eaeefd2567d654e74b2d970d90f7ff0d0cb216836c6
[INFO] running `Command { std: "docker" "start" "-a" "5d03b1581121e736adfc8eaeefd2567d654e74b2d970d90f7ff0d0cb216836c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d03b1581121e736adfc8eaeefd2567d654e74b2d970d90f7ff0d0cb216836c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d03b1581121e736adfc8eaeefd2567d654e74b2d970d90f7ff0d0cb216836c6", kill_on_drop: false }`
[INFO] [stdout] 5d03b1581121e736adfc8eaeefd2567d654e74b2d970d90f7ff0d0cb216836c6
[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] f5ffdf3ae56d5d585e87c50e147e0a5d70f7c2378e37eb13443d36d42c2212aa
[INFO] running `Command { std: "docker" "start" "-a" "f5ffdf3ae56d5d585e87c50e147e0a5d70f7c2378e37eb13443d36d42c2212aa", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Appends a value to the names of all files in a specified directory
[INFO] [stdout] 19 | |     #[clap(short = 'a', long = "append")]
[INFO] [stdout] 20 | |     pub suffix: Option<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/args.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Prepends a value to the names of all files in a specified directory
[INFO] [stdout] 23 | |     #[clap(short = 'p', long = "prepend")]
[INFO] [stdout] 24 | |     pub prefix: Option<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/args.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Replaces all matches in the file name.
[INFO] [stdout] 27 | |     #[clap(
[INFO] [stdout] 28 | |         short = 'r',
[INFO] [stdout] 29 | |         long = "replace",
[INFO] [stdout] 30 | |         value_names = &["OLD", "NEW"],
[INFO] [stdout] 31 | |     )]
[INFO] [stdout] 32 | |     pub replace: Option<Vec<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/args.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// Deletes all matches in the file name.
[INFO] [stdout] 35 | |     #[clap(short = 'd', long = "delete", value_name = "VALUE")]
[INFO] [stdout] 36 | |     pub delete: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `filer` (lib) due to 4 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Appends a value to the names of all files in a specified directory
[INFO] [stdout] 19 | |     #[clap(short = 'a', long = "append")]
[INFO] [stdout] 20 | |     pub suffix: Option<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/args.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// Prepends a value to the names of all files in a specified directory
[INFO] [stdout] 23 | |     #[clap(short = 'p', long = "prepend")]
[INFO] [stdout] 24 | |     pub prefix: Option<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/args.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Replaces all matches in the file name.
[INFO] [stdout] 27 | |     #[clap(
[INFO] [stdout] 28 | |         short = 'r',
[INFO] [stdout] 29 | |         long = "replace",
[INFO] [stdout] 30 | |         value_names = &["OLD", "NEW"],
[INFO] [stdout] 31 | |     )]
[INFO] [stdout] 32 | |     pub replace: Option<Vec<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/args.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// Deletes all matches in the file name.
[INFO] [stdout] 35 | |     #[clap(short = 'd', long = "delete", value_name = "VALUE")]
[INFO] [stdout] 36 | |     pub delete: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `filer` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5ffdf3ae56d5d585e87c50e147e0a5d70f7c2378e37eb13443d36d42c2212aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ffdf3ae56d5d585e87c50e147e0a5d70f7c2378e37eb13443d36d42c2212aa", kill_on_drop: false }`
[INFO] [stdout] f5ffdf3ae56d5d585e87c50e147e0a5d70f7c2378e37eb13443d36d42c2212aa