[INFO] fetching crate blinkt 0.5.0...
[INFO] testing blinkt-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate blinkt 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate blinkt 0.5.0 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 blinkt 0.5.0
[INFO] finished tweaking crates.io crate blinkt 0.5.0
[INFO] tweaked toml for crates.io crate blinkt 0.5.0 written to /workspace/builds/worker-9/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f54eac7de9fad2c93ca4642cb8f97668271bf3cf1a7f8f3f6625bf70b9a4d68f
[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" "f54eac7de9fad2c93ca4642cb8f97668271bf3cf1a7f8f3f6625bf70b9a4d68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54eac7de9fad2c93ca4642cb8f97668271bf3cf1a7f8f3f6625bf70b9a4d68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54eac7de9fad2c93ca4642cb8f97668271bf3cf1a7f8f3f6625bf70b9a4d68f", kill_on_drop: false }`
[INFO] [stdout] f54eac7de9fad2c93ca4642cb8f97668271bf3cf1a7f8f3f6625bf70b9a4d68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d42eba7d45bdd70196ab724e8574b88146aa081ec12143318c6bb9a14b362a14
[INFO] running `Command { std: "docker" "start" "-a" "d42eba7d45bdd70196ab724e8574b88146aa081ec12143318c6bb9a14b362a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling rppal v0.9.0
[INFO] [stderr]    Compiling blinkt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:268:24
[INFO] [stdout]     |
[INFO] [stdout] 268 |     serial_output: Box<SerialOutput>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SerialOutput`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` 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 3.08s
[INFO] running `Command { std: "docker" "inspect" "d42eba7d45bdd70196ab724e8574b88146aa081ec12143318c6bb9a14b362a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42eba7d45bdd70196ab724e8574b88146aa081ec12143318c6bb9a14b362a14", kill_on_drop: false }`
[INFO] [stdout] d42eba7d45bdd70196ab724e8574b88146aa081ec12143318c6bb9a14b362a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0bd42b84202afe180a7f4cb76874c9fb59db185e5ef1add8a368ca00267080cc
[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" "0bd42b84202afe180a7f4cb76874c9fb59db185e5ef1add8a368ca00267080cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:268:24
[INFO] [stdout]     |
[INFO] [stdout] 268 |     serial_output: Box<SerialOutput>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SerialOutput`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling blinkt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:268:24
[INFO] [stdout]     |
[INFO] [stdout] 268 |     serial_output: Box<SerialOutput>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SerialOutput`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "0bd42b84202afe180a7f4cb76874c9fb59db185e5ef1add8a368ca00267080cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd42b84202afe180a7f4cb76874c9fb59db185e5ef1add8a368ca00267080cc", kill_on_drop: false }`
[INFO] [stdout] 0bd42b84202afe180a7f4cb76874c9fb59db185e5ef1add8a368ca00267080cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 114c05f2e27392ffdd0f49d734ffc7aa6082951696293b7750363259a061303b
[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" "114c05f2e27392ffdd0f49d734ffc7aa6082951696293b7750363259a061303b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:268:24
[INFO] [stderr]     |
[INFO] [stderr] 268 |     serial_output: Box<SerialOutput>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SerialOutput`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:268:24
[INFO] [stderr]     |
[INFO] [stderr] 268 |     serial_output: Box<SerialOutput>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn SerialOutput`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blinkt-31d5c1783d4ae326
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_new ... ok
[INFO] [stderr]    Doc-tests blinkt
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 96) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "114c05f2e27392ffdd0f49d734ffc7aa6082951696293b7750363259a061303b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114c05f2e27392ffdd0f49d734ffc7aa6082951696293b7750363259a061303b", kill_on_drop: false }`
[INFO] [stdout] 114c05f2e27392ffdd0f49d734ffc7aa6082951696293b7750363259a061303b