[INFO] fetching crate persistence 0.0.6... [INFO] testing persistence-0.0.6 against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843 [INFO] extracting crate persistence 0.0.6 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate persistence 0.0.6 on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate persistence 0.0.6 [INFO] finished tweaking crates.io crate persistence 0.0.6 [INFO] tweaked toml for crates.io crate persistence 0.0.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2118da2fd699e30855b16815b79b2cab07b3aee97d805eccb4f25d254c48bf86 [INFO] running `Command { std: "docker" "start" "-a" "2118da2fd699e30855b16815b79b2cab07b3aee97d805eccb4f25d254c48bf86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2118da2fd699e30855b16815b79b2cab07b3aee97d805eccb4f25d254c48bf86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2118da2fd699e30855b16815b79b2cab07b3aee97d805eccb4f25d254c48bf86", kill_on_drop: false }` [INFO] [stdout] 2118da2fd699e30855b16815b79b2cab07b3aee97d805eccb4f25d254c48bf86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 913a5e84f832be5c9903b6b8e2285d0f0c06fa6f9f20b3ee06187a178cbab984 [INFO] running `Command { std: "docker" "start" "-a" "913a5e84f832be5c9903b6b8e2285d0f0c06fa6f9f20b3ee06187a178cbab984", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling persistence v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [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: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:146:3 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct MmapedVec [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 145 | { [INFO] [stdout] 146 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 147 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.17s [INFO] running `Command { std: "docker" "inspect" "913a5e84f832be5c9903b6b8e2285d0f0c06fa6f9f20b3ee06187a178cbab984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "913a5e84f832be5c9903b6b8e2285d0f0c06fa6f9f20b3ee06187a178cbab984", kill_on_drop: false }` [INFO] [stdout] 913a5e84f832be5c9903b6b8e2285d0f0c06fa6f9f20b3ee06187a178cbab984 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82633808bf391cfb7be775a9b27463e5679ad5c188ebd2c3116d34c3e8a14128 [INFO] running `Command { std: "docker" "start" "-a" "82633808bf391cfb7be775a9b27463e5679ad5c188ebd2c3116d34c3e8a14128", kill_on_drop: false }` [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [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: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:146:3 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct MmapedVec [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 145 | { [INFO] [stdout] 146 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 147 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling persistence v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:400:20 [INFO] [stdout] | [INFO] [stdout] 400 | assert!(mv_err.description().ends_with("Magic bytes mismatch.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:418:20 [INFO] [stdout] | [INFO] [stdout] 418 | assert!(mv_err.description().contains("shorter than the expected header size")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:436:20 [INFO] [stdout] | [INFO] [stdout] 436 | assert!(mv_err.description().contains("not an integer multiple of the size of the data type")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:456:20 [INFO] [stdout] | [INFO] [stdout] 456 | assert!(mv_err.description().ends_with("Endianness-marker invalid.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:482:20 [INFO] [stdout] | [INFO] [stdout] 482 | assert!(mv_err.description().ends_with("Wrong endianness.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [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: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:146:3 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct MmapedVec [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 145 | { [INFO] [stdout] 146 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 147 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.76s [INFO] running `Command { std: "docker" "inspect" "82633808bf391cfb7be775a9b27463e5679ad5c188ebd2c3116d34c3e8a14128", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82633808bf391cfb7be775a9b27463e5679ad5c188ebd2c3116d34c3e8a14128", kill_on_drop: false }` [INFO] [stdout] 82633808bf391cfb7be775a9b27463e5679ad5c188ebd2c3116d34c3e8a14128 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12d0ad33bd4c7de80e9fe299c238ea370a43900bfc7611ce45483700a5ac3de4 [INFO] running `Command { std: "docker" "start" "-a" "12d0ad33bd4c7de80e9fe299c238ea370a43900bfc7611ce45483700a5ac3de4", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:258:9 [INFO] [stderr] | [INFO] [stderr] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [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: fields `file` and `mm` are never read [INFO] [stderr] --> src/lib.rs:146:3 [INFO] [stderr] | [INFO] [stderr] 144 | pub struct MmapedVec [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 145 | { [INFO] [stderr] 146 | file: File, [INFO] [stderr] | ^^^^ [INFO] [stderr] 147 | mm: MmapMut, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `persistence` (lib) generated 2 warnings (run `cargo fix --lib -p persistence` to apply 1 suggestion) [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:400:20 [INFO] [stderr] | [INFO] [stderr] 400 | assert!(mv_err.description().ends_with("Magic bytes mismatch.")); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:418:20 [INFO] [stderr] | [INFO] [stderr] 418 | assert!(mv_err.description().contains("shorter than the expected header size")); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:436:20 [INFO] [stderr] | [INFO] [stderr] 436 | assert!(mv_err.description().contains("not an integer multiple of the size of the data type")); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:456:20 [INFO] [stderr] | [INFO] [stderr] 456 | assert!(mv_err.description().ends_with("Endianness-marker invalid.")); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:482:20 [INFO] [stderr] | [INFO] [stderr] 482 | assert!(mv_err.description().ends_with("Wrong endianness.")); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `persistence` (lib test) generated 7 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/persistence-c45c0f0d14784c86) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::test_detect_endianness_marker_invalid ... ok [INFO] [stdout] test tests::test_detect_header_corrupt_magic_bytes ... ok [INFO] [stdout] test tests::test_detect_file_corrupt_body_not_integer_multiple_of_data_type ... ok [INFO] [stdout] test tests::test_create_mmaped_vec_onto_tempfile ... ok [INFO] [stdout] test tests::test_detect_wrong_endianness ... ok [INFO] [stdout] test tests::test_detect_file_corrupt_truncated_to_under_end_of_header ... ok [INFO] [stdout] test tests::test_file_is_locked_while_fd_is_held ... ok [INFO] [stdout] test tests::test_file_is_unlocked_after_drop ... ok [INFO] [stdout] test tests::test_existing_file_is_locked_while_fd_is_held ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests persistence [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" "12d0ad33bd4c7de80e9fe299c238ea370a43900bfc7611ce45483700a5ac3de4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12d0ad33bd4c7de80e9fe299c238ea370a43900bfc7611ce45483700a5ac3de4", kill_on_drop: false }` [INFO] [stdout] 12d0ad33bd4c7de80e9fe299c238ea370a43900bfc7611ce45483700a5ac3de4