[INFO] cloning repository https://github.com/EverlastingBugstopper/futures-unordered-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EverlastingBugstopper/futures-unordered-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b7e42b9b9fa00b61b71aa379d4f29b806f3b89
[INFO] testing EverlastingBugstopper/futures-unordered-sandbox against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox 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 git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox
[INFO] finished tweaking git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox
[INFO] tweaked toml for git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 59d513bb1b010b4d1ab68baabd3e4aa89b541d5c315adc6965f844741d85f818
[INFO] running `Command { std: "docker" "start" "-a" "59d513bb1b010b4d1ab68baabd3e4aa89b541d5c315adc6965f844741d85f818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d513bb1b010b4d1ab68baabd3e4aa89b541d5c315adc6965f844741d85f818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d513bb1b010b4d1ab68baabd3e4aa89b541d5c315adc6965f844741d85f818", kill_on_drop: false }`
[INFO] [stdout] 59d513bb1b010b4d1ab68baabd3e4aa89b541d5c315adc6965f844741d85f818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c126dcc9a19316dc2deded626d1225e92417ceaf0fd389af01fc9b0b267cab8e
[INFO] running `Command { std: "docker" "start" "-a" "c126dcc9a19316dc2deded626d1225e92417ceaf0fd389af01fc9b0b267cab8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.2
[INFO] [stderr]    Compiling futures-task v0.3.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-macro v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.2
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-util v0.3.2
[INFO] [stderr]    Compiling futures-executor v0.3.2
[INFO] [stderr]    Compiling futures v0.3.2
[INFO] [stderr]    Compiling async-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let start_time = Instant::now();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 13.75s
[INFO] running `Command { std: "docker" "inspect" "c126dcc9a19316dc2deded626d1225e92417ceaf0fd389af01fc9b0b267cab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c126dcc9a19316dc2deded626d1225e92417ceaf0fd389af01fc9b0b267cab8e", kill_on_drop: false }`
[INFO] [stdout] c126dcc9a19316dc2deded626d1225e92417ceaf0fd389af01fc9b0b267cab8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2736b687324fa3b595ff7e99569a74d791dc0d415a8a086dfc2a8188d18e961a
[INFO] running `Command { std: "docker" "start" "-a" "2736b687324fa3b595ff7e99569a74d791dc0d415a8a086dfc2a8188d18e961a", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let start_time = Instant::now();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.95s
[INFO] running `Command { std: "docker" "inspect" "2736b687324fa3b595ff7e99569a74d791dc0d415a8a086dfc2a8188d18e961a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2736b687324fa3b595ff7e99569a74d791dc0d415a8a086dfc2a8188d18e961a", kill_on_drop: false }`
[INFO] [stdout] 2736b687324fa3b595ff7e99569a74d791dc0d415a8a086dfc2a8188d18e961a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8b6b28f519b991c14edebba331d889a6ff4dced1b580cd95b4420e8675020861
[INFO] running `Command { std: "docker" "start" "-a" "8b6b28f519b991c14edebba331d889a6ff4dced1b580cd95b4420e8675020861", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 11 |     let start_time = Instant::now();
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async-sandbox` (bin "async-sandbox" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_sandbox-c297fa2fb8022794)
[INFO] running `Command { std: "docker" "inspect" "8b6b28f519b991c14edebba331d889a6ff4dced1b580cd95b4420e8675020861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6b28f519b991c14edebba331d889a6ff4dced1b580cd95b4420e8675020861", kill_on_drop: false }`
[INFO] [stdout] 8b6b28f519b991c14edebba331d889a6ff4dced1b580cd95b4420e8675020861