[INFO] fetching crate folca 0.1.0...
[INFO] checking folca-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate folca 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate folca 0.1.0
[INFO] finished tweaking crates.io crate folca 0.1.0
[INFO] tweaked toml for crates.io crate folca 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate folca 0.1.0 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] crate crates.io crate folca 0.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a960fdb4ba64a46fedb726bb1f075e3c7b606064dda4041aae2d2fb6e191d371
[INFO] running `Command { std: "docker" "start" "-a" "a960fdb4ba64a46fedb726bb1f075e3c7b606064dda4041aae2d2fb6e191d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a960fdb4ba64a46fedb726bb1f075e3c7b606064dda4041aae2d2fb6e191d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a960fdb4ba64a46fedb726bb1f075e3c7b606064dda4041aae2d2fb6e191d371", kill_on_drop: false }`
[INFO] [stdout] a960fdb4ba64a46fedb726bb1f075e3c7b606064dda4041aae2d2fb6e191d371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3c48faa4e260aa146c37bbaa39bb2fff326c606582fe41c119c3d1e45a256dd8
[INFO] running `Command { std: "docker" "start" "-a" "3c48faa4e260aa146c37bbaa39bb2fff326c606582fe41c119c3d1e45a256dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking dircpy-stable v0.3.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking bytefmt v0.1.7
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking folca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | /     #[structopt(long, default_value = ".folca_cache")]
[INFO] [stdout] 94 | |     cache_path: 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: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     #[structopt(required = true)]
[INFO] [stdout] 110 | |     command: Vec<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folca` (bin "folca") 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | /     #[structopt(long, default_value = ".folca_cache")]
[INFO] [stdout] 94 | |     cache_path: 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: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     #[structopt(required = true)]
[INFO] [stdout] 110 | |     command: Vec<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folca` (bin "folca" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c48faa4e260aa146c37bbaa39bb2fff326c606582fe41c119c3d1e45a256dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c48faa4e260aa146c37bbaa39bb2fff326c606582fe41c119c3d1e45a256dd8", kill_on_drop: false }`
[INFO] [stdout] 3c48faa4e260aa146c37bbaa39bb2fff326c606582fe41c119c3d1e45a256dd8
