[INFO] fetching crate maildir-pack 0.1.0...
[INFO] checking maildir-pack-0.1.0 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate maildir-pack 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate maildir-pack 0.1.0 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maildir-pack 0.1.0
[INFO] finished tweaking crates.io crate maildir-pack 0.1.0
[INFO] tweaked toml for crates.io crate maildir-pack 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lzma-sys v0.1.16
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded leak v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 299cf2adcef78e2601bafb45c57f276eea1272d0401df339de1b15e20038e9af
[INFO] running `Command { std: "docker" "start" "-a" "299cf2adcef78e2601bafb45c57f276eea1272d0401df339de1b15e20038e9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "299cf2adcef78e2601bafb45c57f276eea1272d0401df339de1b15e20038e9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299cf2adcef78e2601bafb45c57f276eea1272d0401df339de1b15e20038e9af", kill_on_drop: false }`
[INFO] [stdout] 299cf2adcef78e2601bafb45c57f276eea1272d0401df339de1b15e20038e9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b67b1adb4f5117adcd8a63ab4ab63fed9e034cb20131f586f6c65b731cb006d2
[INFO] running `Command { std: "docker" "start" "-a" "b67b1adb4f5117adcd8a63ab4ab63fed9e034cb20131f586f6c65b731cb006d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking leak v0.1.2
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]     Checking maildir-pack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/basic.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut buf: [u8; 4096] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.55s
[INFO] running `Command { std: "docker" "inspect" "b67b1adb4f5117adcd8a63ab4ab63fed9e034cb20131f586f6c65b731cb006d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67b1adb4f5117adcd8a63ab4ab63fed9e034cb20131f586f6c65b731cb006d2", kill_on_drop: false }`
[INFO] [stdout] b67b1adb4f5117adcd8a63ab4ab63fed9e034cb20131f586f6c65b731cb006d2