[INFO] fetching crate monarch 0.1.0...
[INFO] testing monarch-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate monarch 0.1.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate monarch 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e631ff56395baabafab117542db93139244be870449df90c4cdf8a6d7220717
[INFO] running `Command { std: "docker" "start" "-a" "1e631ff56395baabafab117542db93139244be870449df90c4cdf8a6d7220717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e631ff56395baabafab117542db93139244be870449df90c4cdf8a6d7220717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e631ff56395baabafab117542db93139244be870449df90c4cdf8a6d7220717", kill_on_drop: false }`
[INFO] [stdout] 1e631ff56395baabafab117542db93139244be870449df90c4cdf8a6d7220717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8137d806ffed9387f40c156752feb14e8dee13c3dccf9cdc2c6a1d14fbfeb9ba
[INFO] running `Command { std: "docker" "start" "-a" "8137d806ffed9387f40c156752feb14e8dee13c3dccf9cdc2c6a1d14fbfeb9ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.26s
[INFO] running `Command { std: "docker" "inspect" "8137d806ffed9387f40c156752feb14e8dee13c3dccf9cdc2c6a1d14fbfeb9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8137d806ffed9387f40c156752feb14e8dee13c3dccf9cdc2c6a1d14fbfeb9ba", kill_on_drop: false }`
[INFO] [stdout] 8137d806ffed9387f40c156752feb14e8dee13c3dccf9cdc2c6a1d14fbfeb9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16f8097ba5621b69ccb09a14622be8b5f010646843d86c8e7caffc073ce2ea40
[INFO] running `Command { std: "docker" "start" "-a" "16f8097ba5621b69ccb09a14622be8b5f010646843d86c8e7caffc073ce2ea40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[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 rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[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 16.31s
[INFO] running `Command { std: "docker" "inspect" "16f8097ba5621b69ccb09a14622be8b5f010646843d86c8e7caffc073ce2ea40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f8097ba5621b69ccb09a14622be8b5f010646843d86c8e7caffc073ce2ea40", kill_on_drop: false }`
[INFO] [stdout] 16f8097ba5621b69ccb09a14622be8b5f010646843d86c8e7caffc073ce2ea40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a5ee40b5f36f23adbd5df744959ec79c32bdc8e3f0e9ce8d900751592995587
[INFO] running `Command { std: "docker" "start" "-a" "2a5ee40b5f36f23adbd5df744959ec79c32bdc8e3f0e9ce8d900751592995587", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `message`
[INFO] [stdout] 
[INFO] [stderr]   --> src/runner.rs:14:8
[INFO] [stdout] running 13 tests
[INFO] [stderr]    |
[INFO] [stdout] test runner::tests::correctly_identifies_final_index_positions ... ok
[INFO] [stderr] 14 |     fn message(&self) -> String {
[INFO] [stdout] test runner::tests::error_when_k_is_zero ... ok
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stdout] test runner::tests::error_when_list_is_empty ... ok
[INFO] [stderr]    |
[INFO] [stdout] test runner::tests::error_when_k_too_large ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test runner::tests::it_completes_basic_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test runner::tests::it_errors_when_input_is_missing ... ok
[INFO] [stderr] warning: `monarch` (lib) generated 1 warning
[INFO] [stdout] test runner::tests::it_errors_when_operation_is_missing ... ok
[INFO] [stderr] warning: unused variable: `orig`
[INFO] [stdout] test runner::tests::it_errors_when_transformations_are_missing ... ok
[INFO] [stderr]    --> src/runner.rs:409:31
[INFO] [stdout] test runner::tests::it_errors_when_relation_is_missing ... ok
[INFO] [stderr]     |
[INFO] [stdout] test runner::tests::catches_test_failure - should panic ... ok
[INFO] [stderr] 409 |         runner.set_relation(|&orig, &trans| {
[INFO] [stdout] test runner::tests::combinations_are_applied - should panic ... ok
[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: `monarch` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monarch-7b04f45bf9bf280c)
[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; finished in 3.37s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a5ee40b5f36f23adbd5df744959ec79c32bdc8e3f0e9ce8d900751592995587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5ee40b5f36f23adbd5df744959ec79c32bdc8e3f0e9ce8d900751592995587", kill_on_drop: false }`
[INFO] [stdout] 2a5ee40b5f36f23adbd5df744959ec79c32bdc8e3f0e9ce8d900751592995587