[INFO] fetching crate ufofmt 0.7.1...
[INFO] checking ufofmt-0.7.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ufofmt 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ufofmt 0.7.1
[INFO] finished tweaking crates.io crate ufofmt 0.7.1
[INFO] tweaked toml for crates.io crate ufofmt 0.7.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ufofmt 0.7.1 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 ufofmt 0.7.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f69061f2c1177539184699a7c413ec286e936381f446c69fe7fd9857d0e6dfa2
[INFO] running `Command { std: "docker" "start" "-a" "f69061f2c1177539184699a7c413ec286e936381f446c69fe7fd9857d0e6dfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69061f2c1177539184699a7c413ec286e936381f446c69fe7fd9857d0e6dfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69061f2c1177539184699a7c413ec286e936381f446c69fe7fd9857d0e6dfa2", kill_on_drop: false }`
[INFO] [stdout] f69061f2c1177539184699a7c413ec286e936381f446c69fe7fd9857d0e6dfa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c16181f298ddb9b6ef12ad2f0bee6d9616a50b0afc373ef5b8e49fc30b8906bf
[INFO] running `Command { std: "docker" "start" "-a" "c16181f298ddb9b6ef12ad2f0bee6d9616a50b0afc373ef5b8e49fc30b8906bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.115
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking norad v0.6.0
[INFO] [stderr]     Checking ufofmt v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Define a unique directory write path extension
[INFO] [stdout] 75 | |     #[structopt(
[INFO] [stdout] 76 | |         name = "UNIQUE_EXTENSION",
[INFO] [stdout] 77 | |         long = "out-ext",
[INFO] [stdout] 78 | |         help = "Define a unique directory write path extension"
[INFO] [stdout] 79 | |     )]
[INFO] [stdout] 80 | |     uniqueext: 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: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     /// Append a unique directory write path name before the extension
[INFO] [stdout] 83 | |     #[structopt(
[INFO] [stdout] 84 | |         name = "UNIQUE_FILENAME_STRING",
[INFO] [stdout] 85 | |         long = "out-name",
[INFO] [stdout] 86 | |         help = "Append a unique directory write path name before the extension"
[INFO] [stdout] 87 | |     )]
[INFO] [stdout] 88 | |     uniquename: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     /// UFO source file paths
[INFO] [stdout] 91 | |     #[structopt(help = "UFO source path(s)")]
[INFO] [stdout] 92 | |     ufopaths: Vec<PathBuf>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ufofmt` (bin "ufofmt") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Define a unique directory write path extension
[INFO] [stdout] 75 | |     #[structopt(
[INFO] [stdout] 76 | |         name = "UNIQUE_EXTENSION",
[INFO] [stdout] 77 | |         long = "out-ext",
[INFO] [stdout] 78 | |         help = "Define a unique directory write path extension"
[INFO] [stdout] 79 | |     )]
[INFO] [stdout] 80 | |     uniqueext: 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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     /// Append a unique directory write path name before the extension
[INFO] [stdout] 83 | |     #[structopt(
[INFO] [stdout] 84 | |         name = "UNIQUE_FILENAME_STRING",
[INFO] [stdout] 85 | |         long = "out-name",
[INFO] [stdout] 86 | |         help = "Append a unique directory write path name before the extension"
[INFO] [stdout] 87 | |     )]
[INFO] [stdout] 88 | |     uniquename: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     /// UFO source file paths
[INFO] [stdout] 91 | |     #[structopt(help = "UFO source path(s)")]
[INFO] [stdout] 92 | |     ufopaths: Vec<PathBuf>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ufofmt` (bin "ufofmt" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c16181f298ddb9b6ef12ad2f0bee6d9616a50b0afc373ef5b8e49fc30b8906bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16181f298ddb9b6ef12ad2f0bee6d9616a50b0afc373ef5b8e49fc30b8906bf", kill_on_drop: false }`
[INFO] [stdout] c16181f298ddb9b6ef12ad2f0bee6d9616a50b0afc373ef5b8e49fc30b8906bf
