[INFO] cloning repository https://github.com/kalebvonburris/mul-persistence-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalebvonburris/mul-persistence-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67bd9c1e94fb1c289a867de283206edd946d84c1 [INFO] checking kalebvonburris/mul-persistence-rust against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kalebvonburris/mul-persistence-rust on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] finished tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] tweaked toml for git repo https://github.com/kalebvonburris/mul-persistence-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kalebvonburris/mul-persistence-rust 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 872ae8f41c6d306c98274c7fb4536afdc6a5de47b251ede11eb6699609c67589 [INFO] running `Command { std: "docker" "start" "-a" "872ae8f41c6d306c98274c7fb4536afdc6a5de47b251ede11eb6699609c67589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "872ae8f41c6d306c98274c7fb4536afdc6a5de47b251ede11eb6699609c67589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "872ae8f41c6d306c98274c7fb4536afdc6a5de47b251ede11eb6699609c67589", kill_on_drop: false }` [INFO] [stdout] 872ae8f41c6d306c98274c7fb4536afdc6a5de47b251ede11eb6699609c67589 [INFO] checking kalebvonburris/mul-persistence-rust against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kalebvonburris/mul-persistence-rust on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] finished tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] tweaked toml for git repo https://github.com/kalebvonburris/mul-persistence-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kalebvonburris/mul-persistence-rust 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c71953483177cb7f3930ed66d1c5820bbafd86ac69f97391828a57d4d71ea2d [INFO] running `Command { std: "docker" "start" "-a" "3c71953483177cb7f3930ed66d1c5820bbafd86ac69f97391828a57d4d71ea2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c71953483177cb7f3930ed66d1c5820bbafd86ac69f97391828a57d4d71ea2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c71953483177cb7f3930ed66d1c5820bbafd86ac69f97391828a57d4d71ea2d", kill_on_drop: false }` [INFO] [stdout] 3c71953483177cb7f3930ed66d1c5820bbafd86ac69f97391828a57d4d71ea2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35e4d0e6aad5424d1d7a4bf2ad54ff3e4be4f5c4d25fe34158ea679a569b70a7 [INFO] running `Command { std: "docker" "start" "-a" "35e4d0e6aad5424d1d7a4bf2ad54ff3e4be4f5c4d25fe34158ea679a569b70a7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking mul-persistence-rust v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/main.rs:26:42 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `combination` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | combination: &[usize], [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combination` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `table` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | table: &[HashMap, usize>], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_length` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | prev_length: usize, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | digits: &[i32] [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/main.rs:26:42 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `combination` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | combination: &[usize], [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combination` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `table` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | table: &[HashMap, usize>], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_length` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | prev_length: usize, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | digits: &[i32] [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s [INFO] running `Command { std: "docker" "inspect" "35e4d0e6aad5424d1d7a4bf2ad54ff3e4be4f5c4d25fe34158ea679a569b70a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35e4d0e6aad5424d1d7a4bf2ad54ff3e4be4f5c4d25fe34158ea679a569b70a7", kill_on_drop: false }` [INFO] [stdout] 35e4d0e6aad5424d1d7a4bf2ad54ff3e4be4f5c4d25fe34158ea679a569b70a7