[INFO] cloning repository https://github.com/HyeonuPark/calmdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HyeonuPark/calmdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyeonuPark%2Fcalmdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyeonuPark%2Fcalmdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ae75a7931d0b3d872a78ed46791fd31b135b2d7
[INFO] checking HyeonuPark/calmdown 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%2FHyeonuPark%2Fcalmdown" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HyeonuPark/calmdown
[INFO] finished tweaking git repo https://github.com/HyeonuPark/calmdown
[INFO] tweaked toml for git repo https://github.com/HyeonuPark/calmdown written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HyeonuPark/calmdown 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/HyeonuPark/calmdown 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-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] 23ee6bc658885ad1ba87c7e7402568f7e8a1261a099765a2d6f384c4bb6dfcba
[INFO] running `Command { std: "docker" "start" "-a" "23ee6bc658885ad1ba87c7e7402568f7e8a1261a099765a2d6f384c4bb6dfcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ee6bc658885ad1ba87c7e7402568f7e8a1261a099765a2d6f384c4bb6dfcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ee6bc658885ad1ba87c7e7402568f7e8a1261a099765a2d6f384c4bb6dfcba", kill_on_drop: false }`
[INFO] [stdout] 23ee6bc658885ad1ba87c7e7402568f7e8a1261a099765a2d6f384c4bb6dfcba
[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] 405913d4d1f92f571db787aa6fa645762a7bd07e9176ed4329b23fbdcde6fe96
[INFO] running `Command { std: "docker" "start" "-a" "405913d4d1f92f571db787aa6fa645762a7bd07e9176ed4329b23fbdcde6fe96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking calmdown v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// If missed, current directory is used instead.
[INFO] [stdout] 23 | |     #[structopt(index(1))]
[INFO] [stdout] 24 | |     directories: Vec<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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// If missed, current directory is used instead.
[INFO] [stdout] 23 | |     #[structopt(index(1))]
[INFO] [stdout] 24 | |     directories: Vec<PathBuf>,
[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 `calmdown` (bin "calmdown" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `calmdown` (bin "calmdown") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "405913d4d1f92f571db787aa6fa645762a7bd07e9176ed4329b23fbdcde6fe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405913d4d1f92f571db787aa6fa645762a7bd07e9176ed4329b23fbdcde6fe96", kill_on_drop: false }`
[INFO] [stdout] 405913d4d1f92f571db787aa6fa645762a7bd07e9176ed4329b23fbdcde6fe96
