[INFO] cloning repository https://github.com/tialaramex/misfortunate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tialaramex/misfortunate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftialaramex%2Fmisfortunate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftialaramex%2Fmisfortunate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cdffbbbf551a1986416ceb030ad6cf96accab05
[INFO] checking tialaramex/misfortunate 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%2Ftialaramex%2Fmisfortunate" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tialaramex/misfortunate
[INFO] finished tweaking git repo https://github.com/tialaramex/misfortunate
[INFO] tweaked toml for git repo https://github.com/tialaramex/misfortunate written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tialaramex/misfortunate 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/tialaramex/misfortunate 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 73658e36e99aa03a46ceb2c01fe485cfb27997bb96a50f1b0ecd006cb26656be
[INFO] running `Command { std: "docker" "start" "-a" "73658e36e99aa03a46ceb2c01fe485cfb27997bb96a50f1b0ecd006cb26656be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73658e36e99aa03a46ceb2c01fe485cfb27997bb96a50f1b0ecd006cb26656be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73658e36e99aa03a46ceb2c01fe485cfb27997bb96a50f1b0ecd006cb26656be", kill_on_drop: false }`
[INFO] [stdout] 73658e36e99aa03a46ceb2c01fe485cfb27997bb96a50f1b0ecd006cb26656be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e9001f9b5d09fbff4102167b98c9547637e65644944862424b2320bb056b004
[INFO] running `Command { std: "docker" "start" "-a" "8e9001f9b5d09fbff4102167b98c9547637e65644944862424b2320bb056b004", kill_on_drop: false }`
[INFO] [stderr]     Checking misfortunate v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<BlackHole, Infallible>
[INFO] [stdout]   --> src/blackhole.rs:93:53
[INFO] [stdout]    |
[INFO] [stdout] 93 |       fn from_str(_: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 94 | |         Ok(BlackHole)
[INFO] [stdout] 95 | |     }
[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<BlackHole, Infallible>
[INFO] [stdout]   --> src/blackhole.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Ok(BlackHole)
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `misfortunate` (lib) 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<blackhole::BlackHole, Infallible>
[INFO] [stdout]   --> src/blackhole.rs:93:53
[INFO] [stdout]    |
[INFO] [stdout] 93 |       fn from_str(_: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 94 | |         Ok(BlackHole)
[INFO] [stdout] 95 | |     }
[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<blackhole::BlackHole, Infallible>
[INFO] [stdout]   --> src/blackhole.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Ok(BlackHole)
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<blackhole::BlackHole, Infallible>
[INFO] [stdout]    --> src/blackhole.rs:142:22
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let result = "Black Hole".parse::<BlackHole>();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<blackhole::BlackHole, Infallible>
[INFO] [stdout]    --> src/blackhole.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |         assert!(result.is_ok());
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `misfortunate` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8e9001f9b5d09fbff4102167b98c9547637e65644944862424b2320bb056b004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9001f9b5d09fbff4102167b98c9547637e65644944862424b2320bb056b004", kill_on_drop: false }`
[INFO] [stdout] 8e9001f9b5d09fbff4102167b98c9547637e65644944862424b2320bb056b004
