[INFO] fetching crate libmaj 0.1.6...
[INFO] testing libmaj-0.1.6 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate libmaj 0.1.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libmaj 0.1.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmaj 0.1.6
[INFO] finished tweaking crates.io crate libmaj 0.1.6
[INFO] tweaked toml for crates.io crate libmaj 0.1.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded file-fetcher v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a7a9a5fbb100733cd4f5486ccdbb10023a891f6eefbd5795c29c812c9b3e5d7
[INFO] running `Command { std: "docker" "start" "-a" "8a7a9a5fbb100733cd4f5486ccdbb10023a891f6eefbd5795c29c812c9b3e5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a7a9a5fbb100733cd4f5486ccdbb10023a891f6eefbd5795c29c812c9b3e5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7a9a5fbb100733cd4f5486ccdbb10023a891f6eefbd5795c29c812c9b3e5d7", kill_on_drop: false }`
[INFO] [stdout] 8a7a9a5fbb100733cd4f5486ccdbb10023a891f6eefbd5795c29c812c9b3e5d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 77d18f13118235435920a062bc6c571e05de13c1bd95847bbcc631668784cf3c
[INFO] running `Command { std: "docker" "start" "-a" "77d18f13118235435920a062bc6c571e05de13c1bd95847bbcc631668784cf3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling file-fetcher v0.1.4
[INFO] [stderr]    Compiling libmaj v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/app_dirs/common.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.46s
[INFO] running `Command { std: "docker" "inspect" "77d18f13118235435920a062bc6c571e05de13c1bd95847bbcc631668784cf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d18f13118235435920a062bc6c571e05de13c1bd95847bbcc631668784cf3c", kill_on_drop: false }`
[INFO] [stdout] 77d18f13118235435920a062bc6c571e05de13c1bd95847bbcc631668784cf3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d340bb9a8791dd17f545279255f2fd6e3ea3671aca4b30125857223620b8a91
[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" "1d340bb9a8791dd17f545279255f2fd6e3ea3671aca4b30125857223620b8a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmaj v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/app_dirs/common.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/app_dirs/common.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "1d340bb9a8791dd17f545279255f2fd6e3ea3671aca4b30125857223620b8a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d340bb9a8791dd17f545279255f2fd6e3ea3671aca4b30125857223620b8a91", kill_on_drop: false }`
[INFO] [stdout] 1d340bb9a8791dd17f545279255f2fd6e3ea3671aca4b30125857223620b8a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4e8c7e3329280429aad876aada29c5af31c9bb0af0970db5819e8102025f83a
[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" "a4e8c7e3329280429aad876aada29c5af31c9bb0af0970db5819e8102025f83a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:48:43
[INFO] [stderr]    |
[INFO] [stderr] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/app_dirs/common.rs:141:28
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Io(ref e) => e.description(),
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:48:43
[INFO] [stderr]    |
[INFO] [stderr] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/app_dirs/common.rs:141:28
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Io(ref e) => e.description(),
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libmaj-754fe26b67e80d7f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test packer::packer_functions::packer_function::test_trait_obj ... ok
[INFO] [stdout] test packer::pack_action::test_parse ... ok
[INFO] [stdout] test helpers::test_vars ... ok
[INFO] [stdout] test version_mgr::version_manager::test_version_manager ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libmaj
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/helpers.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/helpers.rs:48:43
[INFO] [stderr]    |
[INFO] [stderr] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/helpers.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4e8c7e3329280429aad876aada29c5af31c9bb0af0970db5819e8102025f83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e8c7e3329280429aad876aada29c5af31c9bb0af0970db5819e8102025f83a", kill_on_drop: false }`
[INFO] [stdout] a4e8c7e3329280429aad876aada29c5af31c9bb0af0970db5819e8102025f83a
