[INFO] cloning repository https://github.com/ssiltanen/rusty-mines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssiltanen/rusty-mines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiltanen%2Frusty-mines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiltanen%2Frusty-mines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dfe5489817b6cab288704ac81cd320581b21835
[INFO] building ssiltanen/rusty-mines against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiltanen%2Frusty-mines" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssiltanen/rusty-mines on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ssiltanen/rusty-mines
[INFO] finished tweaking git repo https://github.com/ssiltanen/rusty-mines
[INFO] tweaked toml for git repo https://github.com/ssiltanen/rusty-mines written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ssiltanen/rusty-mines 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a642ecb75c65e57e60e4c1b3de709a9c90dcb096bf4557dc15428471454f6c
[INFO] running `Command { std: "docker" "start" "-a" "76a642ecb75c65e57e60e4c1b3de709a9c90dcb096bf4557dc15428471454f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a642ecb75c65e57e60e4c1b3de709a9c90dcb096bf4557dc15428471454f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a642ecb75c65e57e60e4c1b3de709a9c90dcb096bf4557dc15428471454f6c", kill_on_drop: false }`
[INFO] [stdout] 76a642ecb75c65e57e60e4c1b3de709a9c90dcb096bf4557dc15428471454f6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d706e7694b3b2133c088efa879c3daa35c455cf6455bf4d9588bf9843186efb2
[INFO] running `Command { std: "docker" "start" "-a" "d706e7694b3b2133c088efa879c3daa35c455cf6455bf4d9588bf9843186efb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Unsure` and `Sure` are never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Flag {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 10 |     Unflagged,
[INFO] [stdout] 11 |     Unsure,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Sure,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Flag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Unopened(Flag),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Unopened(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_flag` is never used
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn change_flag(state: GameState, point: Point, flag: Flag) -> GameState {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "d706e7694b3b2133c088efa879c3daa35c455cf6455bf4d9588bf9843186efb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d706e7694b3b2133c088efa879c3daa35c455cf6455bf4d9588bf9843186efb2", kill_on_drop: false }`
[INFO] [stdout] d706e7694b3b2133c088efa879c3daa35c455cf6455bf4d9588bf9843186efb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af444a8f942ad2ab9f14a4b55963301615c5dbf8e06cb3aad8c9fb2bbd55e839
[INFO] running `Command { std: "docker" "start" "-a" "af444a8f942ad2ab9f14a4b55963301615c5dbf8e06cb3aad8c9fb2bbd55e839", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Unsure` and `Sure` are never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Flag {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 10 |     Unflagged,
[INFO] [stdout] 11 |     Unsure,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Sure,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Flag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Unopened(Flag),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Unopened(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_flag` is never used
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn change_flag(state: GameState, point: Point, flag: Flag) -> GameState {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "af444a8f942ad2ab9f14a4b55963301615c5dbf8e06cb3aad8c9fb2bbd55e839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af444a8f942ad2ab9f14a4b55963301615c5dbf8e06cb3aad8c9fb2bbd55e839", kill_on_drop: false }`
[INFO] [stdout] af444a8f942ad2ab9f14a4b55963301615c5dbf8e06cb3aad8c9fb2bbd55e839