[INFO] fetching crate rsrl_domains 0.2.0...
[INFO] testing rsrl_domains-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rsrl_domains 0.2.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate rsrl_domains 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsrl_domains 0.2.0
[INFO] finished tweaking crates.io crate rsrl_domains 0.2.0
[INFO] tweaked toml for crates.io crate rsrl_domains 0.2.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 python3-sys v0.3.0
[INFO] [stderr]   Downloaded cpython v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cd3a796ca6980d5258110a6928a170677196be0a4598dd8e4dd455e27d90ac8
[INFO] running `Command { std: "docker" "start" "-a" "4cd3a796ca6980d5258110a6928a170677196be0a4598dd8e4dd455e27d90ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd3a796ca6980d5258110a6928a170677196be0a4598dd8e4dd455e27d90ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd3a796ca6980d5258110a6928a170677196be0a4598dd8e4dd455e27d90ac8", kill_on_drop: false }`
[INFO] [stdout] 4cd3a796ca6980d5258110a6928a170677196be0a4598dd8e4dd455e27d90ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4561a19b86fb2b916d7ee323f61ff53b11c8f68424e154839c5fca78f664ae
[INFO] running `Command { std: "docker" "start" "-a" "8d4561a19b86fb2b916d7ee323f61ff53b11c8f68424e154839c5fca78f664ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling spaces v5.0.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rsrl_domains v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "8d4561a19b86fb2b916d7ee323f61ff53b11c8f68424e154839c5fca78f664ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4561a19b86fb2b916d7ee323f61ff53b11c8f68424e154839c5fca78f664ae", kill_on_drop: false }`
[INFO] [stdout] 8d4561a19b86fb2b916d7ee323f61ff53b11c8f68424e154839c5fca78f664ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88287feb519aff37339e8de9d772a3a76375b6779be6674edf87280a7448904
[INFO] running `Command { std: "docker" "start" "-a" "b88287feb519aff37339e8de9d772a3a76375b6779be6674edf87280a7448904", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsrl_domains v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/cart_pole.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let (ns, r) = m.step(&0);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/cart_pole.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let (ns, r) = m.step(&0);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/cart_pole.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let (ns, r) = m.step(&1);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/cart_pole.rs:176:18
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let (ns, r) = m.step(&1);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "b88287feb519aff37339e8de9d772a3a76375b6779be6674edf87280a7448904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88287feb519aff37339e8de9d772a3a76375b6779be6674edf87280a7448904", kill_on_drop: false }`
[INFO] [stdout] b88287feb519aff37339e8de9d772a3a76375b6779be6674edf87280a7448904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d70fa290f3cd400f5d8ebbdc8d4cd026f837e15632b1eba64eed756c94ea578f
[INFO] running `Command { std: "docker" "start" "-a" "d70fa290f3cd400f5d8ebbdc8d4cd026f837e15632b1eba64eed756c94ea578f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/cart_pole.rs:147:18
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (ns, r) = m.step(&0);
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/cart_pole.rs:155:18
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let (ns, r) = m.step(&0);
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/cart_pole.rs:168:18
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let (ns, r) = m.step(&1);
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/cart_pole.rs:176:18
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let (ns, r) = m.step(&1);
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: `rsrl_domains` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsrl_domains-b3bd247651b6821d)
[INFO] [stdout] running 21 tests
[INFO] [stdout] test acrobot::tests::test_initial_observation ... ok
[INFO] [stdout] test cart_pole::tests::test_initial_observation ... ok
[INFO] [stdout] test cliff_walk::tests::test_cliff_direct ... ok
[INFO] [stdout] test cart_pole::tests::test_step_1 ... ok
[INFO] [stdout] test cart_pole::tests::test_step_0 ... ok
[INFO] [stdout] test cliff_walk::tests::test_optimal ... ok
[INFO] [stdout] test cliff_walk::tests::test_cliff_indirect ... ok
[INFO] [stdout] test cliff_walk::tests::test_safe ... ok
[INFO] [stdout] test grid_world::tests::test_from_str ... ok
[INFO] [stdout] test grid_world::tests::test_get ... ok
[INFO] [stdout] test grid_world::tests::test_motion_validation ... ok
[INFO] [stdout] test grid_world::tests::test_motions ... ok
[INFO] [stdout] test grid_world::tests::test_move_ew ... ok
[INFO] [stdout] test grid_world::tests::test_move_ns ... ok
[INFO] [stdout] test hiv::tests::test_initial_observation ... ok
[INFO] [stdout] test hiv::tests::test_limits ... ok
[INFO] [stdout] test mountain_car::continuous::tests::test_initial_observation ... ok
[INFO] [stdout] test mountain_car::continuous::tests::test_is_terminal ... ok
[INFO] [stdout] test hiv::tests::test_initial_observation_default ... ok
[INFO] [stdout] test mountain_car::discrete::tests::test_initial_observation ... ok
[INFO] [stdout] test mountain_car::discrete::tests::test_is_terminal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]    Doc-tests rsrl_domains
[INFO] [stdout] 
[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" "d70fa290f3cd400f5d8ebbdc8d4cd026f837e15632b1eba64eed756c94ea578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70fa290f3cd400f5d8ebbdc8d4cd026f837e15632b1eba64eed756c94ea578f", kill_on_drop: false }`
[INFO] [stdout] d70fa290f3cd400f5d8ebbdc8d4cd026f837e15632b1eba64eed756c94ea578f