[INFO] cloning repository https://github.com/pinbraerts/rektson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinbraerts/rektson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinbraerts%2Frektson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinbraerts%2Frektson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b905fc1049399ce7bbcac307b37f508408e28a0
[INFO] checking pinbraerts/rektson 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%2Fpinbraerts%2Frektson" "/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/pinbraerts/rektson
[INFO] finished tweaking git repo https://github.com/pinbraerts/rektson
[INFO] tweaked toml for git repo https://github.com/pinbraerts/rektson written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pinbraerts/rektson 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/pinbraerts/rektson 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] 935f12d2dd22a2263fd3c894785b09f9ae8ea11d2f1bb31106f8466f2d7fb310
[INFO] running `Command { std: "docker" "start" "-a" "935f12d2dd22a2263fd3c894785b09f9ae8ea11d2f1bb31106f8466f2d7fb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "935f12d2dd22a2263fd3c894785b09f9ae8ea11d2f1bb31106f8466f2d7fb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935f12d2dd22a2263fd3c894785b09f9ae8ea11d2f1bb31106f8466f2d7fb310", kill_on_drop: false }`
[INFO] [stdout] 935f12d2dd22a2263fd3c894785b09f9ae8ea11d2f1bb31106f8466f2d7fb310
[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] b00fbf5a353e598e0bf8d068006528a08f2cc21cda0b6b0e58b992e30c1f4424
[INFO] running `Command { std: "docker" "start" "-a" "b00fbf5a353e598e0bf8d068006528a08f2cc21cda0b6b0e58b992e30c1f4424", kill_on_drop: false }`
[INFO] [stderr]    Compiling rekson v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rekson-lib v0.0.1 (/opt/rustwide/workdir/rekson-lib)
[INFO] [stderr] error: could not compile `rekson` (test "idempotent") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> tests/idempotent.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let input = PathBuf::from_str(input).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<PathBuf, Infallible>
[INFO] [stdout]  --> tests/convert.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let input = PathBuf::from_str(input).unwrap();
[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]  --> tests/convert.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let output = PathBuf::from_str(output).unwrap();
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rekson` (test "convert") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b00fbf5a353e598e0bf8d068006528a08f2cc21cda0b6b0e58b992e30c1f4424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00fbf5a353e598e0bf8d068006528a08f2cc21cda0b6b0e58b992e30c1f4424", kill_on_drop: false }`
[INFO] [stdout] b00fbf5a353e598e0bf8d068006528a08f2cc21cda0b6b0e58b992e30c1f4424