[INFO] fetching crate ptags 0.3.5...
[INFO] checking ptags-0.3.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ptags 0.3.5 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate ptags 0.3.5
[INFO] finished tweaking crates.io crate ptags 0.3.5
[INFO] tweaked toml for crates.io crate ptags 0.3.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ptags 0.3.5 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 ptags 0.3.5 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4b4aaaab883359c1c35469bf09810637c532a1be99b03626a968543a86682fab
[INFO] running `Command { std: "docker" "start" "-a" "4b4aaaab883359c1c35469bf09810637c532a1be99b03626a968543a86682fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4aaaab883359c1c35469bf09810637c532a1be99b03626a968543a86682fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4aaaab883359c1c35469bf09810637c532a1be99b03626a968543a86682fab", kill_on_drop: false }`
[INFO] [stdout] 4b4aaaab883359c1c35469bf09810637c532a1be99b03626a968543a86682fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 21ab9d240be6855dec25596f9a66039f34d6f6f22f320d11302a632bb5d13df6
[INFO] running `Command { std: "docker" "start" "-a" "21ab9d240be6855dec25596f9a66039f34d6f6f22f320d11302a632bb5d13df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling structopt-toml-derive v0.5.1
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]    Compiling cargo-platform v0.1.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking toml_edit v0.20.4
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]     Checking toml v0.8.4
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling structopt-toml v0.5.1
[INFO] [stderr]     Checking ptags v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]    --> src/bin.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]    --> src/bin.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Filename of input file list
[INFO] [stdout] 45 | |     #[structopt(short = "L", long = "list")]
[INFO] [stdout] 46 | |     pub list: 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/bin.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// Options passed to ctags
[INFO] [stdout] 57 | |     #[structopt(short = "c", long = "opt-ctags", number_of_values = 1)]
[INFO] [stdout] 58 | |     pub opt_ctags: 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/bin.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// Options passed to git
[INFO] [stdout] 61 | |     #[structopt(short = "g", long = "opt-git", number_of_values = 1)]
[INFO] [stdout] 62 | |     pub opt_git: 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/bin.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// Options passed to git-lfs
[INFO] [stdout] 65 | |     #[structopt(long = "opt-git-lfs", number_of_values = 1)]
[INFO] [stdout] 66 | |     pub opt_git_lfs: 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/bin.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | /     /// Glob pattern of exclude file ( ex. --exclude '*.rs' )
[INFO] [stdout] 97 | |     #[structopt(short = "e", long = "exclude", number_of_values = 1)]
[INFO] [stdout] 98 | |     pub exclude: 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/bin.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | /     /// Generate shell completion file
[INFO] [stdout] 101 | |     #[structopt(
[INFO] [stdout] 102 | |         long = "completion",
[INFO] [stdout] 103 | |         possible_values = &["bash", "fish", "zsh", "powershell"]
[INFO] [stdout] 104 | |     )]
[INFO] [stdout] 105 | |     pub completion: 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/bin.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Filename of input file list
[INFO] [stdout] 45 | |     #[structopt(short = "L", long = "list")]
[INFO] [stdout] 46 | |     pub list: 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/bin.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// Options passed to ctags
[INFO] [stdout] 57 | |     #[structopt(short = "c", long = "opt-ctags", number_of_values = 1)]
[INFO] [stdout] 58 | |     pub opt_ctags: 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/bin.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// Options passed to git
[INFO] [stdout] 61 | |     #[structopt(short = "g", long = "opt-git", number_of_values = 1)]
[INFO] [stdout] 62 | |     pub opt_git: 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/bin.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// Options passed to git-lfs
[INFO] [stdout] 65 | |     #[structopt(long = "opt-git-lfs", number_of_values = 1)]
[INFO] [stdout] 66 | |     pub opt_git_lfs: 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/bin.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | /     /// Glob pattern of exclude file ( ex. --exclude '*.rs' )
[INFO] [stdout] 97 | |     #[structopt(short = "e", long = "exclude", number_of_values = 1)]
[INFO] [stdout] 98 | |     pub exclude: 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/bin.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | /     /// Generate shell completion file
[INFO] [stdout] 101 | |     #[structopt(
[INFO] [stdout] 102 | |         long = "completion",
[INFO] [stdout] 103 | |         possible_values = &["bash", "fish", "zsh", "powershell"]
[INFO] [stdout] 104 | |     )]
[INFO] [stdout] 105 | |     pub completion: Option<String>,
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ptags` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ptags` (lib) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "21ab9d240be6855dec25596f9a66039f34d6f6f22f320d11302a632bb5d13df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ab9d240be6855dec25596f9a66039f34d6f6f22f320d11302a632bb5d13df6", kill_on_drop: false }`
[INFO] [stdout] 21ab9d240be6855dec25596f9a66039f34d6f6f22f320d11302a632bb5d13df6
