[INFO] cloning repository https://github.com/rofrol/rust-flood-fill [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rofrol/rust-flood-fill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frofrol%2Frust-flood-fill", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frofrol%2Frust-flood-fill'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 926b0d596b6b787ab67ba569a1b1640d42e8fbc6 [INFO] testing rofrol/rust-flood-fill against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frofrol%2Frust-flood-fill" "/workspace/builds/worker-57/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rofrol/rust-flood-fill on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rofrol/rust-flood-fill [INFO] finished tweaking git repo https://github.com/rofrol/rust-flood-fill [INFO] tweaked toml for git repo https://github.com/rofrol/rust-flood-fill written to /workspace/builds/worker-57/source/Cargo.toml [INFO] crate git repo https://github.com/rofrol/rust-flood-fill already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92be806a3dde8dbfc42eb4421da4b032e17011ce6f0d8b0a178bf66c0ae175a8 [INFO] running `Command { std: "docker" "start" "-a" "92be806a3dde8dbfc42eb4421da4b032e17011ce6f0d8b0a178bf66c0ae175a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92be806a3dde8dbfc42eb4421da4b032e17011ce6f0d8b0a178bf66c0ae175a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92be806a3dde8dbfc42eb4421da4b032e17011ce6f0d8b0a178bf66c0ae175a8", kill_on_drop: false }` [INFO] [stdout] 92be806a3dde8dbfc42eb4421da4b032e17011ce6f0d8b0a178bf66c0ae175a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dceb556201a508038a57e966eeba8f5552bbc733c2a23b6c6357ece9e7b54336 [INFO] running `Command { std: "docker" "start" "-a" "dceb556201a508038a57e966eeba8f5552bbc733c2a23b6c6357ece9e7b54336", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-flood-fill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `visited` [INFO] [stdout] --> src/main.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | for (x, row) in state.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | for (y, cell) in row.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `colors` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 15 | let val = colors.get(cell).unwrap_or(&0); [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] 16 | colors.insert(cell, val + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "dceb556201a508038a57e966eeba8f5552bbc733c2a23b6c6357ece9e7b54336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dceb556201a508038a57e966eeba8f5552bbc733c2a23b6c6357ece9e7b54336", kill_on_drop: false }` [INFO] [stdout] dceb556201a508038a57e966eeba8f5552bbc733c2a23b6c6357ece9e7b54336 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d029eab0348ca3334e6997a280db80f98dee235ca1677467c6a90830ee0ef0e1 [INFO] running `Command { std: "docker" "start" "-a" "d029eab0348ca3334e6997a280db80f98dee235ca1677467c6a90830ee0ef0e1", kill_on_drop: false }` [INFO] [stderr] Compiling rust-flood-fill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `visited` [INFO] [stdout] --> src/main.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | for (x, row) in state.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | for (y, cell) in row.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `colors` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 15 | let val = colors.get(cell).unwrap_or(&0); [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] 16 | colors.insert(cell, val + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "d029eab0348ca3334e6997a280db80f98dee235ca1677467c6a90830ee0ef0e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d029eab0348ca3334e6997a280db80f98dee235ca1677467c6a90830ee0ef0e1", kill_on_drop: false }` [INFO] [stdout] d029eab0348ca3334e6997a280db80f98dee235ca1677467c6a90830ee0ef0e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c8de9c4591e1145f6c661dcea7ea3c208d8364e552ac504a5996fba05a89c03c [INFO] running `Command { std: "docker" "start" "-a" "c8de9c4591e1145f6c661dcea7ea3c208d8364e552ac504a5996fba05a89c03c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `visited` [INFO] [stderr] --> src/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | for (x, row) in state.iter().enumerate() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | for (y, cell) in row.iter().enumerate() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut visited = [[0u8; 4]; 6]; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `colors` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 15 | let val = colors.get(cell).unwrap_or(&0); [INFO] [stderr] | ---------------- immutable borrow occurs here [INFO] [stderr] 16 | colors.insert(cell, val + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: `rust-flood-fill` (bin "rust-flood-fill" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_flood_fill-5cb339ef384bcdb5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c8de9c4591e1145f6c661dcea7ea3c208d8364e552ac504a5996fba05a89c03c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8de9c4591e1145f6c661dcea7ea3c208d8364e552ac504a5996fba05a89c03c", kill_on_drop: false }` [INFO] [stdout] c8de9c4591e1145f6c661dcea7ea3c208d8364e552ac504a5996fba05a89c03c