[INFO] cloning repository https://github.com/EmmanuelDodoo/modav-arrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmmanuelDodoo/modav-arrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmanuelDodoo%2Fmodav-arrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmanuelDodoo%2Fmodav-arrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46714701fd5246e4bf80614a27f6323566dae1a6
[INFO] checking EmmanuelDodoo/modav-arrow 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%2FEmmanuelDodoo%2Fmodav-arrow" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EmmanuelDodoo/modav-arrow
[INFO] finished tweaking git repo https://github.com/EmmanuelDodoo/modav-arrow
[INFO] tweaked toml for git repo https://github.com/EmmanuelDodoo/modav-arrow written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EmmanuelDodoo/modav-arrow 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/EmmanuelDodoo/modav-arrow 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] 977ca0f2def50965d875201f8bda49096a1663d8ddb79a70e7652908a88bc10a
[INFO] running `Command { std: "docker" "start" "-a" "977ca0f2def50965d875201f8bda49096a1663d8ddb79a70e7652908a88bc10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977ca0f2def50965d875201f8bda49096a1663d8ddb79a70e7652908a88bc10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977ca0f2def50965d875201f8bda49096a1663d8ddb79a70e7652908a88bc10a", kill_on_drop: false }`
[INFO] [stdout] 977ca0f2def50965d875201f8bda49096a1663d8ddb79a70e7652908a88bc10a
[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] aceeab3d6d4a287f47ae98d88b99f6970d2c9786c88ac75f89a56bcb563d1a5d
[INFO] running `Command { std: "docker" "start" "-a" "aceeab3d6d4a287f47ae98d88b99f6970d2c9786c88ac75f89a56bcb563d1a5d", kill_on_drop: false }`
[INFO] [stderr]     Checking temp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<UnionType, Infallible>
[INFO] [stdout]     --> src/union.rs:1012:53
[INFO] [stdout]      |
[INFO] [stdout] 1012 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]      |  _____________________________________________________^
[INFO] [stdout] 1013 | |         Ok(Self::parse(s))
[INFO] [stdout] 1014 | |     }
[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<UnionType, Infallible>
[INFO] [stdout]     --> src/union.rs:1013:9
[INFO] [stdout]      |
[INFO] [stdout] 1013 |         Ok(Self::parse(s))
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `temp` (bin "temp") 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<union::UnionType, Infallible>
[INFO] [stdout]     --> src/union.rs:1012:53
[INFO] [stdout]      |
[INFO] [stdout] 1012 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]      |  _____________________________________________________^
[INFO] [stdout] 1013 | |         Ok(Self::parse(s))
[INFO] [stdout] 1014 | |     }
[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<union::UnionType, Infallible>
[INFO] [stdout]     --> src/union.rs:1013:9
[INFO] [stdout]      |
[INFO] [stdout] 1013 |         Ok(Self::parse(s))
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `temp` (bin "temp" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aceeab3d6d4a287f47ae98d88b99f6970d2c9786c88ac75f89a56bcb563d1a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aceeab3d6d4a287f47ae98d88b99f6970d2c9786c88ac75f89a56bcb563d1a5d", kill_on_drop: false }`
[INFO] [stdout] aceeab3d6d4a287f47ae98d88b99f6970d2c9786c88ac75f89a56bcb563d1a5d