[INFO] fetching crate git-project 0.2.0...
[INFO] checking git-project-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate git-project 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate git-project 0.2.0
[INFO] finished tweaking crates.io crate git-project 0.2.0
[INFO] tweaked toml for crates.io crate git-project 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate git-project 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding auto_from v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding git2 v0.7.5 (available: v0.20.2)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.14.0)
[INFO] [stderr]       Adding pathdiff v0.1.0 (available: v0.2.3)
[INFO] [stderr]       Adding rstest v0.2.2 (available: v0.26.1)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.7)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 276d554226a9d852524b11bd1ca9c8d5412686ccfd4f243e04a12531f434e6ce
[INFO] running `Command { std: "docker" "start" "-a" "276d554226a9d852524b11bd1ca9c8d5412686ccfd4f243e04a12531f434e6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "276d554226a9d852524b11bd1ca9c8d5412686ccfd4f243e04a12531f434e6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276d554226a9d852524b11bd1ca9c8d5412686ccfd4f243e04a12531f434e6ce", kill_on_drop: false }`
[INFO] [stdout] 276d554226a9d852524b11bd1ca9c8d5412686ccfd4f243e04a12531f434e6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5c97aef1ae05d628ea10defddf2e7b629173558020e0567705fdbad4d796bea2
[INFO] running `Command { std: "docker" "start" "-a" "5c97aef1ae05d628ea10defddf2e7b629173558020e0567705fdbad4d796bea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling curl-sys v0.4.84+curl-8.17.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling auto_from v0.2.0
[INFO] [stderr]    Compiling rstest v0.2.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git-project v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(StructOpt)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(StructOpt)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `git-project` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `git-project` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5c97aef1ae05d628ea10defddf2e7b629173558020e0567705fdbad4d796bea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c97aef1ae05d628ea10defddf2e7b629173558020e0567705fdbad4d796bea2", kill_on_drop: false }`
[INFO] [stdout] 5c97aef1ae05d628ea10defddf2e7b629173558020e0567705fdbad4d796bea2