[INFO] cloning repository https://github.com/mishajw/taneja [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishajw/taneja" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5835e400a85b9576b4887f7d40187e2e53718161 [INFO] testing mishajw/taneja against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja" "/workspace/builds/worker-49/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mishajw/taneja 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 git repo https://github.com/mishajw/taneja [INFO] finished tweaking git repo https://github.com/mishajw/taneja [INFO] tweaked toml for git repo https://github.com/mishajw/taneja written to /workspace/builds/worker-49/source/Cargo.toml [INFO] crate git repo https://github.com/mishajw/taneja already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 6d021a78eb8f4636609f024458c55dc2bceec20e36f34f0dbed689176a857d93 [INFO] running `Command { std: "docker" "start" "-a" "6d021a78eb8f4636609f024458c55dc2bceec20e36f34f0dbed689176a857d93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d021a78eb8f4636609f024458c55dc2bceec20e36f34f0dbed689176a857d93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d021a78eb8f4636609f024458c55dc2bceec20e36f34f0dbed689176a857d93", kill_on_drop: false }` [INFO] [stdout] 6d021a78eb8f4636609f024458c55dc2bceec20e36f34f0dbed689176a857d93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] [stdout] c173f95b58184c30d11957ccfaa5070742f7f1bfc15f7e9bd471ae2aea1efae9 [INFO] running `Command { std: "docker" "start" "-a" "c173f95b58184c30d11957ccfaa5070742f7f1bfc15f7e9bd471ae2aea1efae9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.22 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling clap v2.24.0 [INFO] [stderr] Compiling taneja v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | fn add(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | fn divide(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn power(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | fn concat(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/possible_expressions.rs:3:87 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Expression)` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.42s [INFO] running `Command { std: "docker" "inspect" "c173f95b58184c30d11957ccfaa5070742f7f1bfc15f7e9bd471ae2aea1efae9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c173f95b58184c30d11957ccfaa5070742f7f1bfc15f7e9bd471ae2aea1efae9", kill_on_drop: false }` [INFO] [stdout] c173f95b58184c30d11957ccfaa5070742f7f1bfc15f7e9bd471ae2aea1efae9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] [stdout] 06f0c422835392e5c1b316ee3f1e46d13ac26135d98b9a49bd36ecc87930e315 [INFO] running `Command { std: "docker" "start" "-a" "06f0c422835392e5c1b316ee3f1e46d13ac26135d98b9a49bd36ecc87930e315", kill_on_drop: false }` [INFO] [stderr] Compiling taneja v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | fn add(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | fn divide(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn power(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/number.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | fn concat(&self, &Self) -> Option; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/possible_expressions.rs:3:87 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Expression)` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "06f0c422835392e5c1b316ee3f1e46d13ac26135d98b9a49bd36ecc87930e315", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f0c422835392e5c1b316ee3f1e46d13ac26135d98b9a49bd36ecc87930e315", kill_on_drop: false }` [INFO] [stdout] 06f0c422835392e5c1b316ee3f1e46d13ac26135d98b9a49bd36ecc87930e315 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] aeb3b2e51f3dd56a248796c15b17c76711e7f9530fc257f2fb8de9438e42645c [INFO] running `Command { std: "docker" "start" "-a" "aeb3b2e51f3dd56a248796c15b17c76711e7f9530fc257f2fb8de9438e42645c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/number.rs:2:19 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 2 | fn add(&self, &Self) -> Option; [INFO] [stdout] [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/number.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | fn subtract(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/number.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | fn multiply(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/number.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | fn divide(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/number.rs:6:21 [INFO] [stderr] | [INFO] [stderr] 6 | fn power(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/number.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | fn concat(&self, &Self) -> Option; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/possible_expressions.rs:3:87 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn make_possible_expressions(mut es: Vec>, callback: &mut FnMut(Expression)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Expression)` [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 [INFO] [stderr] [INFO] [stderr] warning: `taneja` (bin "taneja" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/taneja-e5de7501033c1880) [INFO] running `Command { std: "docker" "inspect" "aeb3b2e51f3dd56a248796c15b17c76711e7f9530fc257f2fb8de9438e42645c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aeb3b2e51f3dd56a248796c15b17c76711e7f9530fc257f2fb8de9438e42645c", kill_on_drop: false }` [INFO] [stdout] aeb3b2e51f3dd56a248796c15b17c76711e7f9530fc257f2fb8de9438e42645c