[INFO] fetching crate vim-profiler 0.0.4...
[INFO] checking vim-profiler-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate vim-profiler 0.0.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate vim-profiler 0.0.4
[INFO] finished tweaking crates.io crate vim-profiler 0.0.4
[INFO] tweaked toml for crates.io crate vim-profiler 0.0.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vim-profiler 0.0.4 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 vim-profiler 0.0.4 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 09d59996f4257756b5588e4556df157f558e90a11e9fff8f49f86c11518e4c20
[INFO] running `Command { std: "docker" "start" "-a" "09d59996f4257756b5588e4556df157f558e90a11e9fff8f49f86c11518e4c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d59996f4257756b5588e4556df157f558e90a11e9fff8f49f86c11518e4c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d59996f4257756b5588e4556df157f558e90a11e9fff8f49f86c11518e4c20", kill_on_drop: false }`
[INFO] [stdout] 09d59996f4257756b5588e4556df157f558e90a11e9fff8f49f86c11518e4c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 31ff76bf580b779f19a1c0c399b8b83e167216ddcbe86fcaf0d003aaae03956d
[INFO] running `Command { std: "docker" "start" "-a" "31ff76bf580b779f19a1c0c399b8b83e167216ddcbe86fcaf0d003aaae03956d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking format_num v0.1.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking charts v0.3.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling unicode-linebreak v0.1.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking vim-profiler v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/opt.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | /   #[structopt(short, long)]
[INFO] [stdout] 27 | |   /// Plot the data and save it to a SVG file
[INFO] [stdout] 28 | |   plot: Option<PathBuf>,
[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::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/opt.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   #[structopt(short, long)]
[INFO] [stdout] 31 | |   /// Export the results to a CSV file.
[INFO] [stdout] 32 | |   export: Option<PathBuf>,
[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/opt.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 | /   #[structopt(short, long)]
[INFO] [stdout] 43 | |   /// A file to open
[INFO] [stdout] 44 | |   file: Option<PathBuf>,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vim-profiler` (bin "vp") due to 3 previous errors
[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::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/opt.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | /   #[structopt(short, long)]
[INFO] [stdout] 27 | |   /// Plot the data and save it to a SVG file
[INFO] [stdout] 28 | |   plot: Option<PathBuf>,
[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::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/opt.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   #[structopt(short, long)]
[INFO] [stdout] 31 | |   /// Export the results to a CSV file.
[INFO] [stdout] 32 | |   export: Option<PathBuf>,
[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/opt.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 | /   #[structopt(short, long)]
[INFO] [stdout] 43 | |   /// A file to open
[INFO] [stdout] 44 | |   file: Option<PathBuf>,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vim-profiler` (bin "vp" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "31ff76bf580b779f19a1c0c399b8b83e167216ddcbe86fcaf0d003aaae03956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ff76bf580b779f19a1c0c399b8b83e167216ddcbe86fcaf0d003aaae03956d", kill_on_drop: false }`
[INFO] [stdout] 31ff76bf580b779f19a1c0c399b8b83e167216ddcbe86fcaf0d003aaae03956d
