[INFO] fetching crate varisat-cli 0.2.1... [INFO] testing varisat-cli-0.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate varisat-cli 0.2.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate varisat-cli 0.2.1 [INFO] finished tweaking crates.io crate varisat-cli 0.2.1 [INFO] tweaked toml for crates.io crate varisat-cli 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate varisat-cli 0.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.46) [INFO] [stderr] Adding env_logger v0.6.2 (available: v0.11.8) [INFO] [stderr] Adding toml v0.5.11 (available: v0.9.5) [INFO] [stderr] Adding varisat v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-checker v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-dimacs v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-formula v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-internal-macros v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-internal-proof v0.2.1 (available: v0.2.2) [INFO] [stderr] Adding varisat-lrat v0.2.1 (available: v0.2.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hashbrown v0.3.1 [INFO] [stderr] Downloaded partial_ref_derive v0.3.3 [INFO] [stderr] Downloaded partial_ref v0.3.3 [INFO] [stderr] Downloaded varisat-internal-macros v0.2.1 [INFO] [stderr] Downloaded vec_mut_scan v0.1.0 [INFO] [stderr] Downloaded varisat-checker v0.2.1 [INFO] [stderr] Downloaded varisat-formula v0.2.1 [INFO] [stderr] Downloaded varisat-internal-proof v0.2.1 [INFO] [stderr] Downloaded varisat-dimacs v0.2.1 [INFO] [stderr] Downloaded varisat v0.2.1 [INFO] [stderr] Downloaded varisat-lrat v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42f29226cfd1279d1bdbf317a3ab9df6256a31976dc199df2a952e606d5921e4 [INFO] running `Command { std: "docker" "start" "-a" "42f29226cfd1279d1bdbf317a3ab9df6256a31976dc199df2a952e606d5921e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42f29226cfd1279d1bdbf317a3ab9df6256a31976dc199df2a952e606d5921e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f29226cfd1279d1bdbf317a3ab9df6256a31976dc199df2a952e606d5921e4", kill_on_drop: false }` [INFO] [stdout] 42f29226cfd1279d1bdbf317a3ab9df6256a31976dc199df2a952e606d5921e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95fd95cf32df19d67f13b2a0417bc7ba5167aa48a65e53ecb25619d17c20d38f [INFO] running `Command { std: "docker" "start" "-a" "95fd95cf32df19d67f13b2a0417bc7ba5167aa48a65e53ecb25619d17c20d38f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling rustc-demangle v0.1.26 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling varisat-formula v0.2.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term_size v0.3.2 [INFO] [stderr] Compiling leb128 v0.2.5 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling varisat-cli v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling partial_ref_derive v0.3.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling vec_mut_scan v0.1.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling partial_ref v0.3.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling varisat-dimacs v0.2.1 [INFO] [stderr] Compiling varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling varisat-checker v0.2.1 [INFO] [stderr] Compiling varisat-lrat v0.2.1 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:44:39 [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:135:38 [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:140:39 [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.39s [INFO] running `Command { std: "docker" "inspect" "95fd95cf32df19d67f13b2a0417bc7ba5167aa48a65e53ecb25619d17c20d38f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95fd95cf32df19d67f13b2a0417bc7ba5167aa48a65e53ecb25619d17c20d38f", kill_on_drop: false }` [INFO] [stdout] 95fd95cf32df19d67f13b2a0417bc7ba5167aa48a65e53ecb25619d17c20d38f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cee1293cfcc264e277060c528ff8b53fe792eadb4b29491a28e92f32b30ebfee [INFO] running `Command { std: "docker" "start" "-a" "cee1293cfcc264e277060c528ff8b53fe792eadb4b29491a28e92f32b30ebfee", kill_on_drop: false }` [INFO] [stderr] Compiling varisat-cli v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:44:39 [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:135:38 [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:140:39 [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "cee1293cfcc264e277060c528ff8b53fe792eadb4b29491a28e92f32b30ebfee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cee1293cfcc264e277060c528ff8b53fe792eadb4b29491a28e92f32b30ebfee", kill_on_drop: false }` [INFO] [stdout] cee1293cfcc264e277060c528ff8b53fe792eadb4b29491a28e92f32b30ebfee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 76a7411f575dd1a058290a01663dc7c6ed5fe7f3f0fdde5905a59a8f1f7e9eba [INFO] running `Command { std: "docker" "start" "-a" "76a7411f575dd1a058290a01663dc7c6ed5fe7f3f0fdde5905a59a8f1f7e9eba", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/check.rs:39:38 [INFO] [stderr] | [INFO] [stderr] 39 | &mut opened_file as &mut io::Read [INFO] [stderr] | ^^^^^^^^ [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 [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 39 | &mut opened_file as &mut dyn io::Read [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/check.rs:44:39 [INFO] [stderr] | [INFO] [stderr] 44 | &mut locked_stdin as &mut io::Read [INFO] [stderr] | ^^^^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 44 | &mut locked_stdin as &mut dyn io::Read [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:135:38 [INFO] [stderr] | [INFO] [stderr] 135 | &mut opened_file as &mut io::Read [INFO] [stderr] | ^^^^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 135 | &mut opened_file as &mut dyn io::Read [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:140:39 [INFO] [stderr] | [INFO] [stderr] 140 | &mut locked_stdin as &mut io::Read [INFO] [stderr] | ^^^^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 140 | &mut locked_stdin as &mut dyn io::Read [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `varisat-cli` (bin "varisat" test) generated 4 warnings (run `cargo fix --bin "varisat" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/varisat-5257567ec9a08136) [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" "76a7411f575dd1a058290a01663dc7c6ed5fe7f3f0fdde5905a59a8f1f7e9eba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76a7411f575dd1a058290a01663dc7c6ed5fe7f3f0fdde5905a59a8f1f7e9eba", kill_on_drop: false }` [INFO] [stdout] 76a7411f575dd1a058290a01663dc7c6ed5fe7f3f0fdde5905a59a8f1f7e9eba