[INFO] cloning repository https://github.com/riboseinc/riffol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/riboseinc/riffol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friboseinc%2Friffol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friboseinc%2Friffol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fa11b085767de108c62141b2faf1b60e379c081
[INFO] testing riboseinc/riffol against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friboseinc%2Friffol" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/riboseinc/riffol on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/riboseinc/riffol
[INFO] finished tweaking git repo https://github.com/riboseinc/riffol
[INFO] tweaked toml for git repo https://github.com/riboseinc/riffol written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/riboseinc/riffol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.0.1
[INFO] [stderr]   Downloaded syslog v4.0.1
[INFO] [stderr]   Downloaded pest v2.0.1
[INFO] [stderr]   Downloaded stderrlog v0.4.1
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded pest_meta v2.0.3
[INFO] [stderr]   Downloaded signal-hook v0.1.5
[INFO] [stderr]   Downloaded nereon_derive v0.4.2
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded pest_generator v2.0.0
[INFO] [stderr]   Downloaded arc-swap v0.3.2
[INFO] [stderr]   Downloaded nereon v0.4.2
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2541af80ad15dba0212deed6e3bc4fb7729161dcf57b26d28f2f07ad3dc3088
[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" "c2541af80ad15dba0212deed6e3bc4fb7729161dcf57b26d28f2f07ad3dc3088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2541af80ad15dba0212deed6e3bc4fb7729161dcf57b26d28f2f07ad3dc3088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2541af80ad15dba0212deed6e3bc4fb7729161dcf57b26d28f2f07ad3dc3088", kill_on_drop: false }`
[INFO] [stdout] c2541af80ad15dba0212deed6e3bc4fb7729161dcf57b26d28f2f07ad3dc3088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc0cc52143b158c88656f7b262d9e8f0e077acb027e17e4c37e08c4a8b4a773
[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" "bfc0cc52143b158c88656f7b262d9e8f0e077acb027e17e4c37e08c4a8b4a773", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling arc-swap v0.3.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling signal-hook v0.1.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling syslog v4.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling stderrlog v0.4.1
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling nereon_derive v0.4.2
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling nereon v0.4.2
[INFO] [stderr]    Compiling riffol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/signal.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use libc;
[INFO] [stdout]    |     ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 |         use libc;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/health.rs:149:38
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/application.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 |             .before_exec(move || {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[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 does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut logger: syslog::Result<
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "bfc0cc52143b158c88656f7b262d9e8f0e077acb027e17e4c37e08c4a8b4a773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc0cc52143b158c88656f7b262d9e8f0e077acb027e17e4c37e08c4a8b4a773", kill_on_drop: false }`
[INFO] [stdout] bfc0cc52143b158c88656f7b262d9e8f0e077acb027e17e4c37e08c4a8b4a773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255273adfd97f27f5defff3ae0ecdd87163188b8ba34eadf0da5d19500614125
[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" "255273adfd97f27f5defff3ae0ecdd87163188b8ba34eadf0da5d19500614125", kill_on_drop: false }`
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/signal.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use libc;
[INFO] [stdout]    |     ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 |         use libc;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/health.rs:149:38
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/application.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 |             .before_exec(move || {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[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 does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut logger: syslog::Result<
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling riffol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/signal.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use libc;
[INFO] [stdout]    |     ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 |         use libc;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/health.rs:149:38
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/application.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 |             .before_exec(move || {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[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 does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut logger: syslog::Result<
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "255273adfd97f27f5defff3ae0ecdd87163188b8ba34eadf0da5d19500614125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255273adfd97f27f5defff3ae0ecdd87163188b8ba34eadf0da5d19500614125", kill_on_drop: false }`
[INFO] [stdout] 255273adfd97f27f5defff3ae0ecdd87163188b8ba34eadf0da5d19500614125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 739367bd6012f8af9dc93527e88b9ce17fc033c8627570d3c1f3755bdf273b11
[INFO] running `Command { std: "docker" "start" "-a" "739367bd6012f8af9dc93527e88b9ce17fc033c8627570d3c1f3755bdf273b11", kill_on_drop: false }`
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/signal.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use libc;
[INFO] [stderr]    |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 33 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/health.rs:149:38
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/application.rs:289:14
[INFO] [stderr]     |
[INFO] [stderr] 289 |             .before_exec(move || {
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[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 does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |             let mut logger: syslog::Result<
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/signal.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use libc;
[INFO] [stderr]    |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 33 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/health.rs:149:38
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/application.rs:289:14
[INFO] [stderr]     |
[INFO] [stderr] 289 |             .before_exec(move || {
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[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 does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/stream.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |             let mut logger: syslog::Result<
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/riffol-1b4e6366f0af3119
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test config::tests::test ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `core::mem::ManuallyDrop<internal::SealedBag>` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561277565120 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x561277565120 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561277565120 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x561277565120 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x561277589adc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x56127755e722 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x56127756764d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x56127756764d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x56127756764d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x5612775672f8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x561277567d31 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x5612775678d9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x5612775655ac - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x561277567899 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x561277588101 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x56127758804d - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x561277543a23 - core::mem::uninitialized::h25e29509529f3158
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x561277543a23 - crossbeam_epoch::sync::queue::Queue<T>::new::h417f591e3a2ba915
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/sync/queue.rs:51
[INFO] [stderr]   18:     0x561277539031 - crossbeam_epoch::internal::Global::new::he18e304f1b2288bc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/internal.rs:151
[INFO] [stderr]   19:     0x5612775404a9 - crossbeam_epoch::collector::Collector::new::h47399e47fc5893d0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/collector.rs:33
[INFO] [stderr]   20:     0x56127753e59a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h5db05d751cab6558
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/default.rs:12
[INFO] [stderr]   21:     0x56127753e59a - core::ops::function::FnOnce::call_once::h854e2d79d052fe41
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   22:     0x561277545c84 - lazy_static::lazy::Lazy<T>::get::{{closure}}::he3d24f0f7d98e623
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
[INFO] [stderr]   23:     0x56127754345f - std::sync::once::Once::call_once::{{closure}}::h55b47e3cb074ccbc
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   24:     0x561277564982 - std::sync::once::Once::call_inner::h33bd609ddf05a465
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:419
[INFO] [stderr]   25:     0x5612775433e1 - std::sync::once::Once::call_once::h64e23c1314e39f58
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   26:     0x561277540568 - lazy_static::lazy::Lazy<T>::get::h7e14fd9c28f2d134
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
[INFO] [stderr]   27:     0x561277540568 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h42f801a64e01d798
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:149
[INFO] [stderr]   28:     0x561277540568 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::h7b0b46a065bb01e4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:151
[INFO] [stderr]   29:     0x5612775405c4 - crossbeam_epoch::default::HANDLE::__init::h7645cd82750b93af
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/default.rs:17
[INFO] [stderr]   30:     0x56127753e5b9 - core::ops::function::FnOnce::call_once::hbada4ce58b4d99d4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   31:     0x561277545cfc - std::thread::local::lazy::LazyKeyInner<T>::initialize::hfec47f670f6360be
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   32:     0x5612775434fd - std::thread::local::fast::Key<T>::try_initialize::h2ce7303cf25243a3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   33:     0x561277543647 - std::thread::local::fast::Key<T>::get::hc40100fe2812e843
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   34:     0x56127754060d - crossbeam_epoch::default::HANDLE::__getit::hcf48193e9108d7a5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   35:     0x561277284775 - std::thread::local::LocalKey<T>::try_with::hd21f07ddb9afe7fa
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   36:     0x5612772c24cf - crossbeam_epoch::default::with_handle::h08ff044a484f4440
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/default.rs:42
[INFO] [stderr]   37:     0x5612772c25f9 - crossbeam_epoch::default::pin::h09c25a6d3ce26f74
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.6.0/src/default.rs:23
[INFO] [stderr]   38:     0x5612772c2754 - crossbeam_channel::flavors::list::Channel<T>::start_recv::h9c5570d864774b14
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.2.6/src/flavors/list.rs:223
[INFO] [stderr]   39:     0x5612772c2e59 - crossbeam_channel::flavors::list::Channel<T>::recv_nonblocking::h7fe11b5e11e37d8b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.2.6/src/flavors/list.rs:393
[INFO] [stderr]   40:     0x5612772cea16 - crossbeam_channel::internal::channel::recv_nonblocking::h46be4f1840e36cea
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.2.6/src/internal/channel.rs:915
[INFO] [stderr]   41:     0x5612772cea99 - crossbeam_channel::internal::channel::Receiver<T>::try_recv::hd6c629c739b9775b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.2.6/src/internal/channel.rs:561
[INFO] [stderr]   42:     0x5612772db5ce - riffol::stream::handler::h33e000a517ec2656
[INFO] [stderr]                                at /opt/rustwide/workdir/src/stream.rs:151
[INFO] [stderr]   43:     0x5612772db17d - riffol::stream::Handler::new::{{closure}}::h7c9a934fa84aac4c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/stream.rs:109
[INFO] [stderr]   44:     0x56127729f64e - std::sys_common::backtrace::__rust_begin_short_backtrace::h26034436e6bc2a30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   45:     0x5612772b4321 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7a8aef118690353b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   46:     0x5612772c0911 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c0412cc005f3263
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   47:     0x56127727f41c - std::panicking::try::do_call::h182b042e995a5864
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   48:     0x561277282abd - __rust_try
[INFO] [stderr]   49:     0x56127727f343 - std::panicking::try::heb426d6dda7a2aa6
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   50:     0x5612772c3d61 - std::panic::catch_unwind::h120c10966b15b006
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   51:     0x5612772b410d - std::thread::Builder::spawn_unchecked::{{closure}}::h2f9409ede0cd3497
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   52:     0x561277296c2e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h344444486ac79bc7
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   53:     0x56127756e8ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   54:     0x56127756e8ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   55:     0x56127756e8ca - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   56:     0x7feb48e2f609 - start_thread
[INFO] [stderr]   57:     0x7feb490c5103 - clone
[INFO] [stderr]   58:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/riffol-1b4e6366f0af3119` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "739367bd6012f8af9dc93527e88b9ce17fc033c8627570d3c1f3755bdf273b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739367bd6012f8af9dc93527e88b9ce17fc033c8627570d3c1f3755bdf273b11", kill_on_drop: false }`
[INFO] [stdout] 739367bd6012f8af9dc93527e88b9ce17fc033c8627570d3c1f3755bdf273b11
