[INFO] fetching crate cargo-wheel 0.2.2...
[INFO] checking cargo-wheel-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-wheel 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cargo-wheel 0.2.2
[INFO] finished tweaking crates.io crate cargo-wheel 0.2.2
[INFO] tweaked toml for crates.io crate cargo-wheel 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-wheel 0.2.2 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 cargo-wheel 0.2.2 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-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] 3160e667a2120df89ba47522588c623b12587f80db66741577cc992a7428fcb4
[INFO] running `Command { std: "docker" "start" "-a" "3160e667a2120df89ba47522588c623b12587f80db66741577cc992a7428fcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3160e667a2120df89ba47522588c623b12587f80db66741577cc992a7428fcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3160e667a2120df89ba47522588c623b12587f80db66741577cc992a7428fcb4", kill_on_drop: false }`
[INFO] [stdout] 3160e667a2120df89ba47522588c623b12587f80db66741577cc992a7428fcb4
[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] 7086f97b952ac6afcde95523ebd34563c2a95dc9eb1392de7fb1974d1d9b8c95
[INFO] running `Command { std: "docker" "start" "-a" "7086f97b952ac6afcde95523ebd34563c2a95dc9eb1392de7fb1974d1d9b8c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.55+curl-7.83.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]    Compiling cbindgen v0.24.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]    Compiling cargo v0.62.0
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking openssl v0.10.40
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking cargo-util v0.1.2
[INFO] [stderr]     Checking git2-curl v0.15.0
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking kstring v1.0.6
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking os_info v3.4.0
[INFO] [stderr]     Checking serde_ignored v0.1.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking toml_edit v0.13.4
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking crates-io v0.34.0
[INFO] [stderr]     Checking cargo-wheel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     #[structopt(long, value_name = "WHEN")]
[INFO] [stdout] 44 | |     /// Coloring: auto, always, never
[INFO] [stdout] 45 | |     color: 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/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[structopt(short = "Z", value_name = "FLAG")]
[INFO] [stdout] 56 | |     /// Unstable (nightly-only) flags to Cargo
[INFO] [stdout] 57 | |     unstable_flags: Vec<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-wheel` (bin "cargo-wheel" test) due to 2 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/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     #[structopt(long, value_name = "WHEN")]
[INFO] [stdout] 44 | |     /// Coloring: auto, always, never
[INFO] [stdout] 45 | |     color: 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/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[structopt(short = "Z", value_name = "FLAG")]
[INFO] [stdout] 56 | |     /// Unstable (nightly-only) flags to Cargo
[INFO] [stdout] 57 | |     unstable_flags: Vec<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-wheel` (bin "cargo-wheel") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7086f97b952ac6afcde95523ebd34563c2a95dc9eb1392de7fb1974d1d9b8c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7086f97b952ac6afcde95523ebd34563c2a95dc9eb1392de7fb1974d1d9b8c95", kill_on_drop: false }`
[INFO] [stdout] 7086f97b952ac6afcde95523ebd34563c2a95dc9eb1392de7fb1974d1d9b8c95
