[INFO] fetching crate monarch 0.1.0...
[INFO] testing monarch-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate monarch 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate monarch 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monarch 0.1.0
[INFO] finished tweaking crates.io crate monarch 0.1.0
[INFO] tweaked toml for crates.io crate monarch 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be47e6fadac88d26d5d616c02dcb8a6db9ab1b21010c189e3c9f7d76962fb8ee
[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" "be47e6fadac88d26d5d616c02dcb8a6db9ab1b21010c189e3c9f7d76962fb8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be47e6fadac88d26d5d616c02dcb8a6db9ab1b21010c189e3c9f7d76962fb8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be47e6fadac88d26d5d616c02dcb8a6db9ab1b21010c189e3c9f7d76962fb8ee", kill_on_drop: false }`
[INFO] [stdout] be47e6fadac88d26d5d616c02dcb8a6db9ab1b21010c189e3c9f7d76962fb8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2112125cbe5c2ad1eacbc8c80b495ad3ed15786175f867c909f3b06e3ca335be
[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" "2112125cbe5c2ad1eacbc8c80b495ad3ed15786175f867c909f3b06e3ca335be", kill_on_drop: false }`
[INFO] [stderr]    Compiling monarch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `message`
[INFO] [stdout]   --> src/runner.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn message(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2112125cbe5c2ad1eacbc8c80b495ad3ed15786175f867c909f3b06e3ca335be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2112125cbe5c2ad1eacbc8c80b495ad3ed15786175f867c909f3b06e3ca335be", kill_on_drop: false }`
[INFO] [stdout] 2112125cbe5c2ad1eacbc8c80b495ad3ed15786175f867c909f3b06e3ca335be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02081bded5ccdbc86b730fc4289fd9ba5fe174a662e7256be64e0b73140d09f5
[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" "02081bded5ccdbc86b730fc4289fd9ba5fe174a662e7256be64e0b73140d09f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stdout] warning: associated function is never used: `message`
[INFO] [stdout]   --> src/runner.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn message(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling monarch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]    --> src/runner.rs:409:31
[INFO] [stdout]     |
[INFO] [stdout] 409 |         runner.set_relation(|&orig, &trans| {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `message`
[INFO] [stdout]   --> src/runner.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn message(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `Command { std: "docker" "inspect" "02081bded5ccdbc86b730fc4289fd9ba5fe174a662e7256be64e0b73140d09f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02081bded5ccdbc86b730fc4289fd9ba5fe174a662e7256be64e0b73140d09f5", kill_on_drop: false }`
[INFO] [stdout] 02081bded5ccdbc86b730fc4289fd9ba5fe174a662e7256be64e0b73140d09f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a243922ef91d8fdd77143ff2e461dd559f4ebc2b63f44301c3bc671874940ba7
[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" "a243922ef91d8fdd77143ff2e461dd559f4ebc2b63f44301c3bc671874940ba7", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `message`
[INFO] [stderr]   --> src/runner.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn message(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orig`
[INFO] [stderr]    --> src/runner.rs:409:31
[INFO] [stderr]     |
[INFO] [stderr] 409 |         runner.set_relation(|&orig, &trans| {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `message`
[INFO] [stderr]   --> src/runner.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn message(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monarch-99fd5f628d5a2099
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test runner::tests::error_when_k_is_zero ... ok
[INFO] [stdout] test runner::tests::it_completes_basic_test ... ok
[INFO] [stdout] test runner::tests::it_errors_when_input_is_missing ... ok
[INFO] [stdout] test runner::tests::it_errors_when_relation_is_missing ... ok
[INFO] [stdout] test runner::tests::it_errors_when_transformations_are_missing ... ok
[INFO] [stdout] test runner::tests::it_errors_when_operation_is_missing ... ok
[INFO] [stdout] test runner::tests::error_when_list_is_empty ... ok
[INFO] [stdout] test runner::tests::correctly_identifies_final_index_positions ... ok
[INFO] [stdout] test runner::tests::error_when_k_too_large ... ok
[INFO] [stdout] test runner::tests::catches_test_failure ... ok
[INFO] [stdout] test runner::tests::combinations_are_applied ... ok
[INFO] [stdout] test runner::tests::correctly_identifies_nonfinal_index_positions ... ok
[INFO] [stdout] test runner::tests::correct_num_combinations_produced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monarch
[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" "a243922ef91d8fdd77143ff2e461dd559f4ebc2b63f44301c3bc671874940ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a243922ef91d8fdd77143ff2e461dd559f4ebc2b63f44301c3bc671874940ba7", kill_on_drop: false }`
[INFO] [stdout] a243922ef91d8fdd77143ff2e461dd559f4ebc2b63f44301c3bc671874940ba7
