[INFO] fetching crate maildir-pack 0.1.0...
[INFO] testing maildir-pack-0.1.0 against 1.55.0 for beta-1.56-1
[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 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 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" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] 02bc6c951a8d3415b5a46265a355cca45f079023d0798ce111db2c0375f605a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02bc6c951a8d3415b5a46265a355cca45f079023d0798ce111db2c0375f605a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02bc6c951a8d3415b5a46265a355cca45f079023d0798ce111db2c0375f605a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bc6c951a8d3415b5a46265a355cca45f079023d0798ce111db2c0375f605a0", kill_on_drop: false }`
[INFO] [stdout] 02bc6c951a8d3415b5a46265a355cca45f079023d0798ce111db2c0375f605a0
[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=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] 8c5d5920a824d2e3537a083b4573a79fcc9a86ec2ff8391778a9616a69b54b16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c5d5920a824d2e3537a083b4573a79fcc9a86ec2ff8391778a9616a69b54b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling maildir-pack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "8c5d5920a824d2e3537a083b4573a79fcc9a86ec2ff8391778a9616a69b54b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5d5920a824d2e3537a083b4573a79fcc9a86ec2ff8391778a9616a69b54b16", kill_on_drop: false }`
[INFO] [stdout] 8c5d5920a824d2e3537a083b4573a79fcc9a86ec2ff8391778a9616a69b54b16
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9bd164d722c48aa8cba4d39146865032b1d132930cf673d4df5c5d160124c3c
[INFO] running `Command { std: "docker" "start" "-a" "f9bd164d722c48aa8cba4d39146865032b1d132930cf673d4df5c5d160124c3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leak v0.1.2
[INFO] [stderr]    Compiling 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:92:45
[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 test [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "f9bd164d722c48aa8cba4d39146865032b1d132930cf673d4df5c5d160124c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bd164d722c48aa8cba4d39146865032b1d132930cf673d4df5c5d160124c3c", kill_on_drop: false }`
[INFO] [stdout] f9bd164d722c48aa8cba4d39146865032b1d132930cf673d4df5c5d160124c3c
[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=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] 1ca10db19ab1fb50ec8836ac1660079489d3c40a5b71a4bc541a470d4c0e3ed0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ca10db19ab1fb50ec8836ac1660079489d3c40a5b71a4bc541a470d4c0e3ed0", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> tests/basic.rs:92:45
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut buf: [u8; 4096] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maildir-pack` (test "basic") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maildir_pack-eed1d875ced63880)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collect::tests::test_normalize_datetime ... ok
[INFO] [stdout] test classify::tests::test_get_archive_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-7d276b17323fab53)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic_packing ... ok
[INFO] [stdout] test incremental_packing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ca10db19ab1fb50ec8836ac1660079489d3c40a5b71a4bc541a470d4c0e3ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca10db19ab1fb50ec8836ac1660079489d3c40a5b71a4bc541a470d4c0e3ed0", kill_on_drop: false }`
[INFO] [stdout] 1ca10db19ab1fb50ec8836ac1660079489d3c40a5b71a4bc541a470d4c0e3ed0