[INFO] cloning repository https://github.com/ms-ati/experiment-differ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ms-ati/experiment-differ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fms-ati%2Fexperiment-differ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fms-ati%2Fexperiment-differ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d56b35fdc66e7b1b8215bc1d27dcb25571ec8c9
[INFO] checking ms-ati/experiment-differ against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fms-ati%2Fexperiment-differ" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ms-ati/experiment-differ on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ms-ati/experiment-differ
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/ms-ati/experiment-differ
[INFO] tweaked toml for git repo https://github.com/ms-ati/experiment-differ written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ms-ati/experiment-differ already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2948075c2d13ec1264768821dcb24964998c022aac7f08e7df9d9287d7386ad8
[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" "2948075c2d13ec1264768821dcb24964998c022aac7f08e7df9d9287d7386ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2948075c2d13ec1264768821dcb24964998c022aac7f08e7df9d9287d7386ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2948075c2d13ec1264768821dcb24964998c022aac7f08e7df9d9287d7386ad8", kill_on_drop: false }`
[INFO] [stdout] 2948075c2d13ec1264768821dcb24964998c022aac7f08e7df9d9287d7386ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34047835fc22452d86a0f277a694ee82d8080b3f7d8fd797fdd2d79d6aa10ff4
[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" "34047835fc22452d86a0f277a694ee82d8080b3f7d8fd797fdd2d79d6aa10ff4", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> tests/cucumber/unit_steps.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use std::fs::File;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:39:71
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     mock.expect_path_exists_mockable().with(eq(path)).returning(|| false);
[INFO] [stdout]    |                                                                       ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     mock.expect_path_exists_mockable().with(eq(path)).returning(|_| false);
[INFO] [stdout]    |                                                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:42:56
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     mock.expect_path_exists_mockable().returning(|| true);
[INFO] [stdout]    |                                                        ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     mock.expect_path_exists_mockable().returning(|_| true);
[INFO] [stdout]    |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:43:57
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     mock.expect_path_is_file_mockable().returning(|| false);
[INFO] [stdout]    |                                                         ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     mock.expect_path_is_file_mockable().returning(|_| false);
[INFO] [stdout]    |                                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:46:56
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     mock.expect_path_exists_mockable().returning(|| true);
[INFO] [stdout]    |                                                        ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     mock.expect_path_exists_mockable().returning(|_| true);
[INFO] [stdout]    |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:47:57
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     mock.expect_path_is_file_mockable().returning(|| true);
[INFO] [stdout]    |                                                         ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     mock.expect_path_is_file_mockable().returning(|_| true);
[INFO] [stdout]    |                                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:48:54
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     mock.expect_file_open_mockable().returning(||
[INFO] [stdout]    |                                                      ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     mock.expect_file_open_mockable().returning(|_|
[INFO] [stdout]    |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:53:56
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     mock.expect_path_exists_mockable().returning(|| true);
[INFO] [stdout]    |                                                        ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     mock.expect_path_exists_mockable().returning(|_| true);
[INFO] [stdout]    |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:54:57
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     mock.expect_path_is_file_mockable().returning(|| true);
[INFO] [stdout]    |                                                         ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     mock.expect_path_is_file_mockable().returning(|_| true);
[INFO] [stdout]    |                                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:55:54
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     mock.expect_file_open_mockable().returning(|| tempfile());
[INFO] [stdout]    |                                                      ^^^^^^^^^ -- takes 0 arguments
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      expected closure that takes 1 argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     mock.expect_file_open_mockable().returning(|_| tempfile());
[INFO] [stdout]    |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `std::result::Result<MutexGuard<'_, Box<(dyn experiment_differ::cli::readable_filename::PathInfoMockable + Send + 'static)>>, PoisonError<MutexGuard<'_, Box<(dyn experiment_differ::cli::readable_filename::PathInfoMockable + Send + 'static)>>>>` cannot be dereferenced
[INFO] [stdout]   --> tests/cucumber/unit_steps.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             *guard = mock;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: parentheses are required to parse this as an expression
[INFO] [stdout]    |
[INFO] [stdout] 37 |             (match readability.as_str() {
[INFO] [stdout] 38 |                 "NotFound" => {
[INFO] [stdout] 39 |                     mock.expect_path_exists_mockable().with(eq(path)).returning(|| false);
[INFO] [stdout] 40 |                 },
[INFO] [stdout] 41 |                 "NotAFile" => {
[INFO] [stdout] 42 |                     mock.expect_path_exists_mockable().returning(|| true);
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0593, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0593`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `experiment-differ`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34047835fc22452d86a0f277a694ee82d8080b3f7d8fd797fdd2d79d6aa10ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34047835fc22452d86a0f277a694ee82d8080b3f7d8fd797fdd2d79d6aa10ff4", kill_on_drop: false }`
[INFO] [stdout] 34047835fc22452d86a0f277a694ee82d8080b3f7d8fd797fdd2d79d6aa10ff4
