[INFO] fetching crate l337 0.8.0...
[INFO] testing l337-0.8.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate l337 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate l337 0.8.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate l337 0.8.0
[INFO] finished tweaking crates.io crate l337 0.8.0
[INFO] tweaked toml for crates.io crate l337 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1b0f5113c915e37b7d1cf4c6130e42795d11997ea15a1ae8c255ffb8e003737
[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" "a1b0f5113c915e37b7d1cf4c6130e42795d11997ea15a1ae8c255ffb8e003737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1b0f5113c915e37b7d1cf4c6130e42795d11997ea15a1ae8c255ffb8e003737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b0f5113c915e37b7d1cf4c6130e42795d11997ea15a1ae8c255ffb8e003737", kill_on_drop: false }`
[INFO] [stdout] a1b0f5113c915e37b7d1cf4c6130e42795d11997ea15a1ae8c255ffb8e003737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18dae3b4be0fc1a0aaacf75fe6ecd46c9c84f014ba5644774683e1cd58fc9a03
[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" "18dae3b4be0fc1a0aaacf75fe6ecd46c9c84f014ba5644774683e1cd58fc9a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling l337 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "18dae3b4be0fc1a0aaacf75fe6ecd46c9c84f014ba5644774683e1cd58fc9a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dae3b4be0fc1a0aaacf75fe6ecd46c9c84f014ba5644774683e1cd58fc9a03", kill_on_drop: false }`
[INFO] [stdout] 18dae3b4be0fc1a0aaacf75fe6ecd46c9c84f014ba5644774683e1cd58fc9a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d0f271065920b82ffb280ebb1ec6582dee4a5573932edf2ef102165e109522
[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" "63d0f271065920b82ffb280ebb1ec6582dee4a5573932edf2ef102165e109522", kill_on_drop: false }`
[INFO] [stderr]    Compiling l337 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "63d0f271065920b82ffb280ebb1ec6582dee4a5573932edf2ef102165e109522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d0f271065920b82ffb280ebb1ec6582dee4a5573932edf2ef102165e109522", kill_on_drop: false }`
[INFO] [stdout] 63d0f271065920b82ffb280ebb1ec6582dee4a5573932edf2ef102165e109522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0218997826c00d938a4a205f7a7a186f601382975b4242684ae94848b7bb40f2
[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" "0218997826c00d938a4a205f7a7a186f601382975b4242684ae94848b7bb40f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/l337-2acd4beb5379f565)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test queue::tests::get ... ok
[INFO] [stdout] test queue::tests::increment_and_decrement ... ok
[INFO] [stdout] test queue::tests::new_conn ... ok
[INFO] [stdout] test queue::tests::store ... ok
[INFO] [stdout] test queue::tests::store_queue_more_than_the_capacity ... ok
[INFO] [stdout] test tests::it_does_not_return_connections_that_are_broken ... ok
[INFO] [stdout] test tests::it_does_return_connections_that_are_invalid_if_so_configured ... ok
[INFO] [stdout] test tests::test_min_max_conns ... ok
[INFO] [stdout] test tests::simple_pool_creation_and_connection ... ok
[INFO] [stdout] test tests::test_can_be_accessed_by_mutliple_futures_concurrently ... ok
[INFO] [stdout] test tests::it_allocates_new_connections_up_to_max_size ... ok
[INFO] [stdout] test tests::it_returns_a_non_resolved_future_when_over_pool_limit ... ok
[INFO] [stdout] test tests::it_does_not_return_connections_that_are_invalid ... ok
[INFO] [stdout] test tests::it_times_out_when_no_connections_available ... ok
[INFO] [stdout] test conn::tests::conn_pushes_back_into_pool_after_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests l337
[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" "0218997826c00d938a4a205f7a7a186f601382975b4242684ae94848b7bb40f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0218997826c00d938a4a205f7a7a186f601382975b4242684ae94848b7bb40f2", kill_on_drop: false }`
[INFO] [stdout] 0218997826c00d938a4a205f7a7a186f601382975b4242684ae94848b7bb40f2