[INFO] cloning repository https://github.com/Winter9998/DSA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Winter9998/DSA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWinter9998%2FDSA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWinter9998%2FDSA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 428b1b8677cb386ab3b4e04ad6007fa71708f035
[INFO] checking Winter9998/DSA 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%2FWinter9998%2FDSA" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Winter9998/DSA
[INFO] finished tweaking git repo https://github.com/Winter9998/DSA
[INFO] tweaked toml for git repo https://github.com/Winter9998/DSA written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Winter9998/DSA 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/Winter9998/DSA 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a6c5c4cc7a1b21ffe3524469c6ec2698faa1796c6adef5bf72d270e4e68d5f72
[INFO] running `Command { std: "docker" "start" "-a" "a6c5c4cc7a1b21ffe3524469c6ec2698faa1796c6adef5bf72d270e4e68d5f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c5c4cc7a1b21ffe3524469c6ec2698faa1796c6adef5bf72d270e4e68d5f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c5c4cc7a1b21ffe3524469c6ec2698faa1796c6adef5bf72d270e4e68d5f72", kill_on_drop: false }`
[INFO] [stdout] a6c5c4cc7a1b21ffe3524469c6ec2698faa1796c6adef5bf72d270e4e68d5f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7c2ff95564cdb89797e935d321b87c704b8cc83a22a3a7651b328bdd1136df1c
[INFO] running `Command { std: "docker" "start" "-a" "7c2ff95564cdb89797e935d321b87c704b8cc83a22a3a7651b328bdd1136df1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `dsa` (bin "dsa" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]  --> src/algorithms/binary_search.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |             return mid.try_into().unwrap();
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]  --> src/algorithms/binary_search.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |             return mid.try_into().unwrap();
[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 `dsa` (bin "dsa") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7c2ff95564cdb89797e935d321b87c704b8cc83a22a3a7651b328bdd1136df1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2ff95564cdb89797e935d321b87c704b8cc83a22a3a7651b328bdd1136df1c", kill_on_drop: false }`
[INFO] [stdout] 7c2ff95564cdb89797e935d321b87c704b8cc83a22a3a7651b328bdd1136df1c