[INFO] cloning repository https://github.com/miquelruiz/mail-todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miquelruiz/mail-todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquelruiz%2Fmail-todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquelruiz%2Fmail-todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7cec574eadf9e78a704b778d6bc3f695762f5b3
[INFO] testing miquelruiz/mail-todo against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquelruiz%2Fmail-todo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miquelruiz/mail-todo on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miquelruiz/mail-todo
[INFO] finished tweaking git repo https://github.com/miquelruiz/mail-todo
[INFO] tweaked toml for git repo https://github.com/miquelruiz/mail-todo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/miquelruiz/mail-todo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 1bb43793da3bf864b3bcffadef02f4de1a0686abb57bcdbc43e10dcc1a566ff1
[INFO] running `Command { std: "docker" "start" "-a" "1bb43793da3bf864b3bcffadef02f4de1a0686abb57bcdbc43e10dcc1a566ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb43793da3bf864b3bcffadef02f4de1a0686abb57bcdbc43e10dcc1a566ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb43793da3bf864b3bcffadef02f4de1a0686abb57bcdbc43e10dcc1a566ff1", kill_on_drop: false }`
[INFO] [stdout] 1bb43793da3bf864b3bcffadef02f4de1a0686abb57bcdbc43e10dcc1a566ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07f4a1fd042e7cd840ea6b508b24071d8ba6c332b867767e2479cf2bc0422bc0
[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" "07f4a1fd042e7cd840ea6b508b24071d8ba6c332b867767e2479cf2bc0422bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gio v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling libresolv-sys v0.1.0 (/opt/rustwide/workdir/libresolv-sys)
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2902:5
[INFO] [stdout]      |
[INFO] [stdout] 2902 |     pub static mut _IO_2_1_stdin_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2903:5
[INFO] [stdout]      |
[INFO] [stdout] 2903 |     pub static mut _IO_2_1_stdout_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2904:5
[INFO] [stdout]      |
[INFO] [stdout] 2904 |     pub static mut _IO_2_1_stderr_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3079:30
[INFO] [stdout]      |
[INFO] [stdout] 3079 |                        arg3: __gnuc_va_list, arg4: *mut ::std::os::raw::c_int)
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3083:31
[INFO] [stdout]      |
[INFO] [stdout] 3083 |                         arg3: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3142:28
[INFO] [stdout]      |
[INFO] [stdout] 3142 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3144:27
[INFO] [stdout]      |
[INFO] [stdout] 3144 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3147:28
[INFO] [stdout]      |
[INFO] [stdout] 3147 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3153:29
[INFO] [stdout]      |
[INFO] [stdout] 3153 |                      __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3156:28
[INFO] [stdout]      |
[INFO] [stdout] 3156 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3169:27
[INFO] [stdout]      |
[INFO] [stdout] 3169 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3171:26
[INFO] [stdout]      |
[INFO] [stdout] 3171 |                   __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3174:27
[INFO] [stdout]      |
[INFO] [stdout] 3174 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling imap-proto v0.4.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling glib v0.6.0
[INFO] [stderr]    Compiling notify-rust v3.4.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pango v0.5.0
[INFO] [stderr]    Compiling imap v0.8.1 (https://github.com/mattnenterprise/rust-imap#510dab96)
[INFO] [stderr]    Compiling mail-todo v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poller.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Ok(mut imap) => {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "07f4a1fd042e7cd840ea6b508b24071d8ba6c332b867767e2479cf2bc0422bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f4a1fd042e7cd840ea6b508b24071d8ba6c332b867767e2479cf2bc0422bc0", kill_on_drop: false }`
[INFO] [stdout] 07f4a1fd042e7cd840ea6b508b24071d8ba6c332b867767e2479cf2bc0422bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d49b394ebf5d2e818ce9801cd81c27c1078e493c9561f41f8883eaf848800054
[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" "d49b394ebf5d2e818ce9801cd81c27c1078e493c9561f41f8883eaf848800054", kill_on_drop: false }`
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2902:5
[INFO] [stdout]      |
[INFO] [stdout] 2902 |     pub static mut _IO_2_1_stdin_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2903:5
[INFO] [stdout]      |
[INFO] [stdout] 2903 |     pub static mut _IO_2_1_stdout_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> libresolv-sys/lib.rs:2904:5
[INFO] [stdout]      |
[INFO] [stdout] 2904 |     pub static mut _IO_2_1_stderr_: _IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3079:30
[INFO] [stdout]      |
[INFO] [stdout] 3079 |                        arg3: __gnuc_va_list, arg4: *mut ::std::os::raw::c_int)
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3083:31
[INFO] [stdout]      |
[INFO] [stdout] 3083 |                         arg3: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3142:28
[INFO] [stdout]      |
[INFO] [stdout] 3142 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mail-todo v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3144:27
[INFO] [stdout]      |
[INFO] [stdout] 3144 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3147:28
[INFO] [stdout]      |
[INFO] [stdout] 3147 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3153:29
[INFO] [stdout]      |
[INFO] [stdout] 3153 |                      __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3156:28
[INFO] [stdout]      |
[INFO] [stdout] 3156 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3169:27
[INFO] [stdout]      |
[INFO] [stdout] 3169 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3171:26
[INFO] [stdout]      |
[INFO] [stdout] 3171 |                   __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> libresolv-sys/lib.rs:3174:27
[INFO] [stdout]      |
[INFO] [stdout] 3174 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poller.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Ok(mut imap) => {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poller.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Ok(mut imap) => {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "d49b394ebf5d2e818ce9801cd81c27c1078e493c9561f41f8883eaf848800054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49b394ebf5d2e818ce9801cd81c27c1078e493c9561f41f8883eaf848800054", kill_on_drop: false }`
[INFO] [stdout] d49b394ebf5d2e818ce9801cd81c27c1078e493c9561f41f8883eaf848800054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6706b9131736f9e0f4d0448035140fc014b2133a92b557e0c880743f55d7e3c6
[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" "6706b9131736f9e0f4d0448035140fc014b2133a92b557e0c880743f55d7e3c6", kill_on_drop: false }`
[INFO] [stderr] warning: static of uninhabited type
[INFO] [stderr]     --> libresolv-sys/lib.rs:2902:5
[INFO] [stderr]      |
[INFO] [stderr] 2902 |     pub static mut _IO_2_1_stdin_: _IO_FILE_plus;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stderr]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stderr] 
[INFO] [stderr] warning: static of uninhabited type
[INFO] [stderr]     --> libresolv-sys/lib.rs:2903:5
[INFO] [stderr]      |
[INFO] [stderr] 2903 |     pub static mut _IO_2_1_stdout_: _IO_FILE_plus;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stderr]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stderr] 
[INFO] [stderr] warning: static of uninhabited type
[INFO] [stderr]     --> libresolv-sys/lib.rs:2904:5
[INFO] [stderr]      |
[INFO] [stderr] 2904 |     pub static mut _IO_2_1_stderr_: _IO_FILE_plus;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stderr]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3079:30
[INFO] [stderr]      |
[INFO] [stderr] 3079 |                        arg3: __gnuc_va_list, arg4: *mut ::std::os::raw::c_int)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3083:31
[INFO] [stderr]      |
[INFO] [stderr] 3083 |                         arg3: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3142:28
[INFO] [stderr]      |
[INFO] [stderr] 3142 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3144:27
[INFO] [stderr]      |
[INFO] [stderr] 3144 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3147:28
[INFO] [stderr]      |
[INFO] [stderr] 3147 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3153:29
[INFO] [stderr]      |
[INFO] [stderr] 3153 |                      __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3156:28
[INFO] [stderr]      |
[INFO] [stderr] 3156 |                     __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3169:27
[INFO] [stderr]      |
[INFO] [stderr] 3169 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3171:26
[INFO] [stderr]      |
[INFO] [stderr] 3171 |                   __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> libresolv-sys/lib.rs:3174:27
[INFO] [stderr]      |
[INFO] [stderr] 3174 |                    __arg: __gnuc_va_list) -> ::std::os::raw::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poller.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     Ok(mut imap) => {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poller.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     Ok(mut imap) => {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mail_todo-30b05258f78340c9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mail_todo-b921b0d2c09bff3f)
[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] [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] [stderr]    Doc-tests mail-todo
[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" "6706b9131736f9e0f4d0448035140fc014b2133a92b557e0c880743f55d7e3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6706b9131736f9e0f4d0448035140fc014b2133a92b557e0c880743f55d7e3c6", kill_on_drop: false }`
[INFO] [stdout] 6706b9131736f9e0f4d0448035140fc014b2133a92b557e0c880743f55d7e3c6
