[INFO] fetching crate chinstrap 0.0.0...
[INFO] testing chinstrap-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate chinstrap 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chinstrap 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chinstrap 0.0.0
[INFO] finished tweaking crates.io crate chinstrap 0.0.0
[INFO] tweaked toml for crates.io crate chinstrap 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7daa364af55f7b0cc0a973ef4db86a5e972562f72359a50248fbc74e42e70a45
[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" "7daa364af55f7b0cc0a973ef4db86a5e972562f72359a50248fbc74e42e70a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7daa364af55f7b0cc0a973ef4db86a5e972562f72359a50248fbc74e42e70a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7daa364af55f7b0cc0a973ef4db86a5e972562f72359a50248fbc74e42e70a45", kill_on_drop: false }`
[INFO] [stdout] 7daa364af55f7b0cc0a973ef4db86a5e972562f72359a50248fbc74e42e70a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--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] 9043d4f2f4ab1752cb40822d5d84655fbb49c125d421403dcdc38a9e1cbfa713
[INFO] running `Command { std: "docker" "start" "-a" "9043d4f2f4ab1752cb40822d5d84655fbb49c125d421403dcdc38a9e1cbfa713", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling chinstrap v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/domain.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:291:34
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:523:34
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:615:34
[INFO] [stdout]     |
[INFO] [stdout] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "9043d4f2f4ab1752cb40822d5d84655fbb49c125d421403dcdc38a9e1cbfa713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9043d4f2f4ab1752cb40822d5d84655fbb49c125d421403dcdc38a9e1cbfa713", kill_on_drop: false }`
[INFO] [stdout] 9043d4f2f4ab1752cb40822d5d84655fbb49c125d421403dcdc38a9e1cbfa713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "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] f8b2550bc4c1e937c82b0af680000522b8860d9db97a63be919ab4ce3017615e
[INFO] running `Command { std: "docker" "start" "-a" "f8b2550bc4c1e937c82b0af680000522b8860d9db97a63be919ab4ce3017615e", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/domain.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:291:34
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chinstrap v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:523:34
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:615:34
[INFO] [stdout]     |
[INFO] [stdout] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/domain.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:291:34
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:523:34
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/domain.rs:615:34
[INFO] [stdout]     |
[INFO] [stdout] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f8b2550bc4c1e937c82b0af680000522b8860d9db97a63be919ab4ce3017615e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b2550bc4c1e937c82b0af680000522b8860d9db97a63be919ab4ce3017615e", kill_on_drop: false }`
[INFO] [stdout] f8b2550bc4c1e937c82b0af680000522b8860d9db97a63be919ab4ce3017615e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3f5014373f226d9fe19602ff4eb9dc3ece219aae4d296348b9ffb04edef2c0a
[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" "a3f5014373f226d9fe19602ff4eb9dc3ece219aae4d296348b9ffb04edef2c0a", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/domain.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:291:34
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:406:34
[INFO] [stderr]     |
[INFO] [stderr] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:523:34
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:615:34
[INFO] [stderr]     |
[INFO] [stderr] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `chinstrap` (lib) generated 5 warnings
[INFO] [stderr] warning: `chinstrap` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chinstrap-dfa730028177aa71)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chinstrap
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/model.rs - model::Model<D>::create_int_var (line 46) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::empty (line 63) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::is_empty (line 105) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::assign (line 210) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::size (line 91) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::is_assigned (line 122) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::contains (line 143) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::from_bounds (line 17) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::remove (line 49) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::assigned (line 77) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::iter (line 31) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::max (line 193) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::value (line 158) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::adjust_min (line 231) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::min (line 179) ... ok
[INFO] [stdout] test src/model.rs - model::Model<D>::create_int_var_array (line 71) ... ok
[INFO] [stdout] test src/domain.rs - domain::IntDomain::adjust_max (line 250) ... ok
[INFO] [stdout] test src/types.rs - types::Int (line 7) ... ok
[INFO] [stdout] test src/model.rs - model::Model<D>::num_vars (line 126) ... ok
[INFO] [stdout] test src/model.rs - model::Model<D>::new (line 31) ... ok
[INFO] [stdout] test src/model.rs - model::Model<D>::create_int_var_matrix (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3f5014373f226d9fe19602ff4eb9dc3ece219aae4d296348b9ffb04edef2c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f5014373f226d9fe19602ff4eb9dc3ece219aae4d296348b9ffb04edef2c0a", kill_on_drop: false }`
[INFO] [stdout] a3f5014373f226d9fe19602ff4eb9dc3ece219aae4d296348b9ffb04edef2c0a