[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 beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frofrol%2Frust-flood-fill" "/workspace/builds/worker-103/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rofrol/rust-flood-fill on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-103/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" "+beta-2021-09-08" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14cfd7481099bd19ec8735ae3e4d9457c4ea1898968205854d68d857212a2e4a [INFO] running `Command { std: "docker" "start" "-a" "14cfd7481099bd19ec8735ae3e4d9457c4ea1898968205854d68d857212a2e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14cfd7481099bd19ec8735ae3e4d9457c4ea1898968205854d68d857212a2e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14cfd7481099bd19ec8735ae3e4d9457c4ea1898968205854d68d857212a2e4a", kill_on_drop: false }` [INFO] [stdout] 14cfd7481099bd19ec8735ae3e4d9457c4ea1898968205854d68d857212a2e4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5629005fd1612b738291f9adfbfdf09b1b3cc7d4ead3c882db128733c8c96aa9 [INFO] running `Command { std: "docker" "start" "-a" "5629005fd1612b738291f9adfbfdf09b1b3cc7d4ead3c882db128733c8c96aa9", 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] | ^^^^^^ --- immutable borrow later used here [INFO] [stdout] | | [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 0.90s [INFO] running `Command { std: "docker" "inspect" "5629005fd1612b738291f9adfbfdf09b1b3cc7d4ead3c882db128733c8c96aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5629005fd1612b738291f9adfbfdf09b1b3cc7d4ead3c882db128733c8c96aa9", kill_on_drop: false }` [INFO] [stdout] 5629005fd1612b738291f9adfbfdf09b1b3cc7d4ead3c882db128733c8c96aa9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2e2f75d5480c12bc429198bd3ce74123bbbebe46afcad60e5330986f121403e [INFO] running `Command { std: "docker" "start" "-a" "b2e2f75d5480c12bc429198bd3ce74123bbbebe46afcad60e5330986f121403e", 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] | ^^^^^^ --- immutable borrow later used here [INFO] [stdout] | | [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 0.64s [INFO] running `Command { std: "docker" "inspect" "b2e2f75d5480c12bc429198bd3ce74123bbbebe46afcad60e5330986f121403e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e2f75d5480c12bc429198bd3ce74123bbbebe46afcad60e5330986f121403e", kill_on_drop: false }` [INFO] [stdout] b2e2f75d5480c12bc429198bd3ce74123bbbebe46afcad60e5330986f121403e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 848d6cd812ffb60e28667f025595ee203f40350f6f5dcf01947d7de90ebe5a03 [INFO] running `Command { std: "docker" "start" "-a" "848d6cd812ffb60e28667f025595ee203f40350f6f5dcf01947d7de90ebe5a03", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^^ --- immutable borrow later used here [INFO] [stderr] | | [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 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_flood_fill-3e280c310d58f071) [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" "848d6cd812ffb60e28667f025595ee203f40350f6f5dcf01947d7de90ebe5a03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848d6cd812ffb60e28667f025595ee203f40350f6f5dcf01947d7de90ebe5a03", kill_on_drop: false }` [INFO] [stdout] 848d6cd812ffb60e28667f025595ee203f40350f6f5dcf01947d7de90ebe5a03