[INFO] cloning repository https://github.com/ctsrc/persistence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctsrc/persistence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8156f1f138375987428759098608af30412a526
[INFO] testing ctsrc/persistence against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ctsrc/persistence
[INFO] finished tweaking git repo https://github.com/ctsrc/persistence
[INFO] tweaked toml for git repo https://github.com/ctsrc/persistence written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ctsrc/persistence on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ctsrc/persistence 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebba2adca0c1622186618d93d78b6d3daada43fb99233ed75f201011b2db1352
[INFO] running `Command { std: "docker" "start" "-a" "ebba2adca0c1622186618d93d78b6d3daada43fb99233ed75f201011b2db1352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebba2adca0c1622186618d93d78b6d3daada43fb99233ed75f201011b2db1352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebba2adca0c1622186618d93d78b6d3daada43fb99233ed75f201011b2db1352", kill_on_drop: false }`
[INFO] [stdout] ebba2adca0c1622186618d93d78b6d3daada43fb99233ed75f201011b2db1352
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66ab12d7d68ebe2df7f4e0fad1fb166e3a3b86059fdd8984882a8d4bc8a4aee7
[INFO] running `Command { std: "docker" "start" "-a" "66ab12d7d68ebe2df7f4e0fad1fb166e3a3b86059fdd8984882a8d4bc8a4aee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[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:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         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:144:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MmapedVec<T> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     file: File,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 145 |     mm: MmapMut,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "66ab12d7d68ebe2df7f4e0fad1fb166e3a3b86059fdd8984882a8d4bc8a4aee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ab12d7d68ebe2df7f4e0fad1fb166e3a3b86059fdd8984882a8d4bc8a4aee7", kill_on_drop: false }`
[INFO] [stdout] 66ab12d7d68ebe2df7f4e0fad1fb166e3a3b86059fdd8984882a8d4bc8a4aee7
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ad32e9b9fd158f8905e1b4d0088ee1a212f4493ae4c095f6821e71715f72c8
[INFO] running `Command { std: "docker" "start" "-a" "e9ad32e9b9fd158f8905e1b4d0088ee1a212f4493ae4c095f6821e71715f72c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         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:144:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MmapedVec<T> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     file: File,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 145 |     mm: MmapMut,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.8.1
[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:419:24
[INFO] [stdout]     |
[INFO] [stdout] 419 |         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:445:14
[INFO] [stdout]     |
[INFO] [stdout] 445 |             .description()
[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:473:14
[INFO] [stdout]     |
[INFO] [stdout] 473 |             .description()
[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:501:24
[INFO] [stdout]     |
[INFO] [stdout] 501 |         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:534:24
[INFO] [stdout]     |
[INFO] [stdout] 534 |         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:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         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:144:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MmapedVec<T> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     file: File,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 145 |     mm: MmapMut,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "e9ad32e9b9fd158f8905e1b4d0088ee1a212f4493ae4c095f6821e71715f72c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ad32e9b9fd158f8905e1b4d0088ee1a212f4493ae4c095f6821e71715f72c8", kill_on_drop: false }`
[INFO] [stdout] e9ad32e9b9fd158f8905e1b4d0088ee1a212f4493ae4c095f6821e71715f72c8
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ace775cf5fe1f173d40c4e0b18f3550acb4f8e6f0f3217c54cc8d2c674d78493
[INFO] running `Command { std: "docker" "start" "-a" "ace775cf5fe1f173d40c4e0b18f3550acb4f8e6f0f3217c54cc8d2c674d78493", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         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:144:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub struct MmapedVec<T> {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 144 |     file: File,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 145 |     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:419:24
[INFO] [stderr]     |
[INFO] [stderr] 419 |         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:445:14
[INFO] [stderr]     |
[INFO] [stderr] 445 |             .description()
[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:473:14
[INFO] [stderr]     |
[INFO] [stderr] 473 |             .description()
[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:501:24
[INFO] [stderr]     |
[INFO] [stderr] 501 |         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:534:24
[INFO] [stderr]     |
[INFO] [stderr] 534 |         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` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/persistence-f3d209eeba9b5113)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_detect_endianness_marker_invalid ... ok
[INFO] [stdout] test tests::test_create_mmaped_vec_onto_tempfile ... ok
[INFO] [stdout] test tests::test_detect_file_corrupt_body_not_integer_multiple_of_data_type ... ok
[INFO] [stdout] test tests::test_detect_file_corrupt_truncated_to_under_end_of_header ... ok
[INFO] [stdout] test tests::test_detect_header_corrupt_magic_bytes ... ok
[INFO] [stdout] test tests::test_detect_wrong_endianness ... ok
[INFO] [stdout] test tests::test_file_is_unlocked_after_drop ... ok
[INFO] [stdout] test tests::test_file_is_locked_while_fd_is_held ... 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 0.08s
[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" "ace775cf5fe1f173d40c4e0b18f3550acb4f8e6f0f3217c54cc8d2c674d78493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace775cf5fe1f173d40c4e0b18f3550acb4f8e6f0f3217c54cc8d2c674d78493", kill_on_drop: false }`
[INFO] [stdout] ace775cf5fe1f173d40c4e0b18f3550acb4f8e6f0f3217c54cc8d2c674d78493
