[INFO] fetching crate find_empty_block 0.1.0... [INFO] testing find_empty_block-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate find_empty_block 0.1.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate find_empty_block 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate find_empty_block 0.1.0 [INFO] finished tweaking crates.io crate find_empty_block 0.1.0 [INFO] tweaked toml for crates.io crate find_empty_block 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate find_empty_block 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d0edef7a9a5049c2ed7c65520ff1b2c7a494049e6f6ec852856117e7ef1cf2e [INFO] running `Command { std: "docker" "start" "-a" "2d0edef7a9a5049c2ed7c65520ff1b2c7a494049e6f6ec852856117e7ef1cf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d0edef7a9a5049c2ed7c65520ff1b2c7a494049e6f6ec852856117e7ef1cf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d0edef7a9a5049c2ed7c65520ff1b2c7a494049e6f6ec852856117e7ef1cf2e", kill_on_drop: false }` [INFO] [stdout] 2d0edef7a9a5049c2ed7c65520ff1b2c7a494049e6f6ec852856117e7ef1cf2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fffc345ded1f8439025f71516314257bdd0a628fd42cef73c292dfb2bb882df1 [INFO] running `Command { std: "docker" "start" "-a" "fffc345ded1f8439025f71516314257bdd0a628fd42cef73c292dfb2bb882df1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling positioned-io v0.2.2 [INFO] [stderr] Compiling find_empty_block v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes_read` [INFO] [stdout] --> src/main.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | let bytes_read = thread_file.read_at(thread_start_clone, &mut buf).unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut last_window_size = SIZE % PARALLEL; [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: variable `DATA_PATH` should have a snake case name [INFO] [stdout] --> src/main.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut DATA_PATH: String = String::new(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `data_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `OFFSET` should have a snake case name [INFO] [stdout] --> src/main.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut OFFSET: u64 = 0; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut SIZE: u64 = 0; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PARALLEL` should have a snake case name [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut PARALLEL: u64 = 2; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `parallel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.67s [INFO] running `Command { std: "docker" "inspect" "fffc345ded1f8439025f71516314257bdd0a628fd42cef73c292dfb2bb882df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fffc345ded1f8439025f71516314257bdd0a628fd42cef73c292dfb2bb882df1", kill_on_drop: false }` [INFO] [stdout] fffc345ded1f8439025f71516314257bdd0a628fd42cef73c292dfb2bb882df1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14693a1a9f523c6957e196e71e6a0484417ebb0e416ef20ed80631ded90f2921 [INFO] running `Command { std: "docker" "start" "-a" "14693a1a9f523c6957e196e71e6a0484417ebb0e416ef20ed80631ded90f2921", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling find_empty_block v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes_read` [INFO] [stdout] --> src/main.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | let bytes_read = thread_file.read_at(thread_start_clone, &mut buf).unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut last_window_size = SIZE % PARALLEL; [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: variable `DATA_PATH` should have a snake case name [INFO] [stdout] --> src/main.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut DATA_PATH: String = String::new(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `data_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `OFFSET` should have a snake case name [INFO] [stdout] --> src/main.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut OFFSET: u64 = 0; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut SIZE: u64 = 0; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PARALLEL` should have a snake case name [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut PARALLEL: u64 = 2; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `parallel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "14693a1a9f523c6957e196e71e6a0484417ebb0e416ef20ed80631ded90f2921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14693a1a9f523c6957e196e71e6a0484417ebb0e416ef20ed80631ded90f2921", kill_on_drop: false }` [INFO] [stdout] 14693a1a9f523c6957e196e71e6a0484417ebb0e416ef20ed80631ded90f2921 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7afa161edf4029f3d9204ba5e2b25957190ee6155bf94c47f950c7e3f99f6f56 [INFO] running `Command { std: "docker" "start" "-a" "7afa161edf4029f3d9204ba5e2b25957190ee6155bf94c47f950c7e3f99f6f56", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `rayon::prelude` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes_read` [INFO] [stderr] --> src/main.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | let bytes_read = thread_file.read_at(thread_start_clone, &mut buf).unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut last_window_size = SIZE % PARALLEL; [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: variable `DATA_PATH` should have a snake case name [INFO] [stderr] --> src/main.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut DATA_PATH: String = String::new(); [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `data_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `OFFSET` should have a snake case name [INFO] [stderr] --> src/main.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut OFFSET: u64 = 0; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `offset` [INFO] [stderr] [INFO] [stderr] warning: variable `SIZE` should have a snake case name [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut SIZE: u64 = 0; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stderr] [INFO] [stderr] warning: variable `PARALLEL` should have a snake case name [INFO] [stderr] --> src/main.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut PARALLEL: u64 = 2; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `parallel` [INFO] [stderr] [INFO] [stderr] warning: `find_empty_block` (bin "find_empty_block" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/find_empty_block-925e3007c70816a6) [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" "7afa161edf4029f3d9204ba5e2b25957190ee6155bf94c47f950c7e3f99f6f56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7afa161edf4029f3d9204ba5e2b25957190ee6155bf94c47f950c7e3f99f6f56", kill_on_drop: false }` [INFO] [stdout] 7afa161edf4029f3d9204ba5e2b25957190ee6155bf94c47f950c7e3f99f6f56