[INFO] cloning repository https://github.com/Darkryhr/rust-garden-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darkryhr/rust-garden-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkryhr%2Frust-garden-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkryhr%2Frust-garden-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81d0daa8857ec9e383668b599bc813b5c45f24ee
[INFO] checking Darkryhr/rust-garden-cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkryhr%2Frust-garden-cli" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Darkryhr/rust-garden-cli
[INFO] finished tweaking git repo https://github.com/Darkryhr/rust-garden-cli
[INFO] tweaked toml for git repo https://github.com/Darkryhr/rust-garden-cli written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Darkryhr/rust-garden-cli 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 git repo https://github.com/Darkryhr/rust-garden-cli 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2ed1e1a6e5ca29906831af5d00df5e807a90916e217b44c38f5740efea24b6e3
[INFO] running `Command { std: "docker" "start" "-a" "2ed1e1a6e5ca29906831af5d00df5e807a90916e217b44c38f5740efea24b6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed1e1a6e5ca29906831af5d00df5e807a90916e217b44c38f5740efea24b6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed1e1a6e5ca29906831af5d00df5e807a90916e217b44c38f5740efea24b6e3", kill_on_drop: false }`
[INFO] [stdout] 2ed1e1a6e5ca29906831af5d00df5e807a90916e217b44c38f5740efea24b6e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ddf25054e581752eb0f787fd808854803bf83151bfd286123814a4964c66c940
[INFO] running `Command { std: "docker" "start" "-a" "ddf25054e581752eb0f787fd808854803bf83151bfd286123814a4964c66c940", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.62
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking predicates v2.0.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking edit v0.1.3
[INFO] [stderr]     Checking assert_fs v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking structopt v0.3.25
[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 digital-garden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         /// Optionally set a title
[INFO] [stdout] 28 | |         #[structopt(short, long)]
[INFO] [stdout] 29 | |         title: 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         /// Optionally set a title
[INFO] [stdout] 28 | |         #[structopt(short, long)]
[INFO] [stdout] 29 | |         title: 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] [stderr] error: could not compile `digital-garden` (bin "garden" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `digital-garden` (bin "garden") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ddf25054e581752eb0f787fd808854803bf83151bfd286123814a4964c66c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf25054e581752eb0f787fd808854803bf83151bfd286123814a4964c66c940", kill_on_drop: false }`
[INFO] [stdout] ddf25054e581752eb0f787fd808854803bf83151bfd286123814a4964c66c940