[INFO] fetching crate hashdb 0.3.0...
[INFO] testing hashdb-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate hashdb 0.3.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate hashdb 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashdb 0.3.0
[INFO] finished tweaking crates.io crate hashdb 0.3.0
[INFO] tweaked toml for crates.io crate hashdb 0.3.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9df66811a5f9c57ad33782f2ec366375dd778c9095a88d9b99532fcf95b81d
[INFO] running `Command { std: "docker" "start" "-a" "2c9df66811a5f9c57ad33782f2ec366375dd778c9095a88d9b99532fcf95b81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9df66811a5f9c57ad33782f2ec366375dd778c9095a88d9b99532fcf95b81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9df66811a5f9c57ad33782f2ec366375dd778c9095a88d9b99532fcf95b81d", kill_on_drop: false }`
[INFO] [stdout] 2c9df66811a5f9c57ad33782f2ec366375dd778c9095a88d9b99532fcf95b81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 450bedd1693788bdaee86a0dce56901c3040043088e982212cd469981eb7bcd0
[INFO] running `Command { std: "docker" "start" "-a" "450bedd1693788bdaee86a0dce56901c3040043088e982212cd469981eb7bcd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:51
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 - impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout] 82 + impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut dyn HashDB<H, T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 -     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout] 74 +     fn as_hashdb(&self) -> &dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout] 76 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout] 83 +     fn as_hashdb(&self) -> &dyn HashDB<H, T> { &**self }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout] 84 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T> { &mut **self }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "450bedd1693788bdaee86a0dce56901c3040043088e982212cd469981eb7bcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450bedd1693788bdaee86a0dce56901c3040043088e982212cd469981eb7bcd0", kill_on_drop: false }`
[INFO] [stdout] 450bedd1693788bdaee86a0dce56901c3040043088e982212cd469981eb7bcd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0754390a44081b9b0149817c94b78fa2e9d6275e1ae050695dc955097ccdf259
[INFO] running `Command { std: "docker" "start" "-a" "0754390a44081b9b0149817c94b78fa2e9d6275e1ae050695dc955097ccdf259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:51
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 - impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout] 82 + impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut dyn HashDB<H, T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 -     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout] 74 +     fn as_hashdb(&self) -> &dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout] 76 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout] 83 +     fn as_hashdb(&self) -> &dyn HashDB<H, T> { &**self }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout] 84 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T> { &mut **self }
[INFO] [stdout]    | 
[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/lib.rs:82:51
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 - impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout] 82 + impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut dyn HashDB<H, T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 -     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout] 74 +     fn as_hashdb(&self) -> &dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout] 76 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout] 83 +     fn as_hashdb(&self) -> &dyn HashDB<H, T> { &**self }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout] 84 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T> { &mut **self }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashdb-3212d7a3f2159dbb)
[INFO] running `Command { std: "docker" "inspect" "0754390a44081b9b0149817c94b78fa2e9d6275e1ae050695dc955097ccdf259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0754390a44081b9b0149817c94b78fa2e9d6275e1ae050695dc955097ccdf259", kill_on_drop: false }`
[INFO] [stdout] 0754390a44081b9b0149817c94b78fa2e9d6275e1ae050695dc955097ccdf259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0b015c72b9b9c378736581d5474b2b61df3a285a796d731f9b9c1328002dbbe
[INFO] running `Command { std: "docker" "start" "-a" "a0b015c72b9b9c378736581d5474b2b61df3a285a796d731f9b9c1328002dbbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:82:51
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 82 - impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stderr] 82 + impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut dyn HashDB<H, T> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:26
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 74 -     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stderr] 74 +     fn as_hashdb(&self) -> &dyn HashDB<H, T>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 76 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stderr] 76 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stderr]    |                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 83 -     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stderr] 83 +     fn as_hashdb(&self) -> &dyn HashDB<H, T> { &**self }
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:84:38
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 84 -     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stderr] 84 +     fn as_hashdb_mut(&mut self) -> &mut dyn HashDB<H, T> { &mut **self }
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `hashdb` (lib) generated 5 warnings
[INFO] [stderr] warning: `hashdb` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashdb-3212d7a3f2159dbb)
[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 hashdb
[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" "a0b015c72b9b9c378736581d5474b2b61df3a285a796d731f9b9c1328002dbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b015c72b9b9c378736581d5474b2b61df3a285a796d731f9b9c1328002dbbe", kill_on_drop: false }`
[INFO] [stdout] a0b015c72b9b9c378736581d5474b2b61df3a285a796d731f9b9c1328002dbbe