[INFO] fetching crate crius 0.4.0...
[INFO] testing crius-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate crius 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate crius 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crius 0.4.0
[INFO] finished tweaking crates.io crate crius 0.4.0
[INFO] tweaked toml for crates.io crate crius 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e366c0299357d0c6ae582281016588bee809f516f325e510a756db7186ad28f1
[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" "e366c0299357d0c6ae582281016588bee809f516f325e510a756db7186ad28f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e366c0299357d0c6ae582281016588bee809f516f325e510a756db7186ad28f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e366c0299357d0c6ae582281016588bee809f516f325e510a756db7186ad28f1", kill_on_drop: false }`
[INFO] [stdout] e366c0299357d0c6ae582281016588bee809f516f325e510a756db7186ad28f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24cc766f173542cabd5f8d5a7c2f2032205ee75b888b6e137e0f7af6da150a4f
[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" "24cc766f173542cabd5f8d5a7c2f2032205ee75b888b6e137e0f7af6da150a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crius v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `success_percentage`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_nr`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "24cc766f173542cabd5f8d5a7c2f2032205ee75b888b6e137e0f7af6da150a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cc766f173542cabd5f8d5a7c2f2032205ee75b888b6e137e0f7af6da150a4f", kill_on_drop: false }`
[INFO] [stdout] 24cc766f173542cabd5f8d5a7c2f2032205ee75b888b6e137e0f7af6da150a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f224872f627d0142bb912c2ba71a1ab8602dca92c4870b91e62b4ab2e2f3ff7
[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" "3f224872f627d0142bb912c2ba71a1ab8602dca92c4870b91e62b4ab2e2f3ff7", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `success_percentage`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crius v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `success_nr`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_percentage`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `success_nr`
[INFO] [stdout]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "3f224872f627d0142bb912c2ba71a1ab8602dca92c4870b91e62b4ab2e2f3ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f224872f627d0142bb912c2ba71a1ab8602dca92c4870b91e62b4ab2e2f3ff7", kill_on_drop: false }`
[INFO] [stdout] 3f224872f627d0142bb912c2ba71a1ab8602dca92c4870b91e62b4ab2e2f3ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55d9d56a10dd03fa020069164a40f5710b8ffe564fe2980dccced3748fedd7aa
[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" "55d9d56a10dd03fa020069164a40f5710b8ffe564fe2980dccced3748fedd7aa", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `success_percentage`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `success_nr`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `success_percentage`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `success_nr`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crius-a6fa5963c78f9179
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/command_test-0ecf3ad78117a57e
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test circuit_breaker::rejects_command_if_circuit_open ... ok
[INFO] [stdout] test circuit_breaker::returns_fallback_if_circuit_open ... ok
[INFO] [stdout] test circuit_breaker::runs_command ... ok
[INFO] [stdout] test circuit_breaker::runs_command_multiple_times ... ok
[INFO] [stdout] test circuit_breaker::runs_command_with_param ... ok
[INFO] [stdout] test circuit_breaker::returns_fallback_if_err_result_returned ... ok
[INFO] [stderr]    Doc-tests crius
[INFO] [stdout] test circuit_breaker::handles_lots_of_calls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.29s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - command_with_fallback (line 91) ... ok
[INFO] [stdout] test src/lib.rs - command (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55d9d56a10dd03fa020069164a40f5710b8ffe564fe2980dccced3748fedd7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d9d56a10dd03fa020069164a40f5710b8ffe564fe2980dccced3748fedd7aa", kill_on_drop: false }`
[INFO] [stdout] 55d9d56a10dd03fa020069164a40f5710b8ffe564fe2980dccced3748fedd7aa