[INFO] cloning repository https://github.com/cfsamson/examples-futures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/examples-futures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-futures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-futures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd23e73bc3e54da4c6cfff781d58a71c9f477ed4
[INFO] testing cfsamson/examples-futures against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-futures" "/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/cfsamson/examples-futures on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfsamson/examples-futures
[INFO] finished tweaking git repo https://github.com/cfsamson/examples-futures
[INFO] tweaked toml for git repo https://github.com/cfsamson/examples-futures written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/examples-futures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee839328b659f8e25321ecd084fc1d8adf95d58c03cdc4a23bf56e61440c7690
[INFO] running `Command { std: "docker" "start" "-a" "ee839328b659f8e25321ecd084fc1d8adf95d58c03cdc4a23bf56e61440c7690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee839328b659f8e25321ecd084fc1d8adf95d58c03cdc4a23bf56e61440c7690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee839328b659f8e25321ecd084fc1d8adf95d58c03cdc4a23bf56e61440c7690", kill_on_drop: false }`
[INFO] [stdout] ee839328b659f8e25321ecd084fc1d8adf95d58c03cdc4a23bf56e61440c7690
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753fe883a5460e36823172d9b750afe4b67ca2ffb207531e6781c02590865414
[INFO] running `Command { std: "docker" "start" "-a" "753fe883a5460e36823172d9b750afe4b67ca2ffb207531e6781c02590865414", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling how-futures-are-implemented v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "753fe883a5460e36823172d9b750afe4b67ca2ffb207531e6781c02590865414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753fe883a5460e36823172d9b750afe4b67ca2ffb207531e6781c02590865414", kill_on_drop: false }`
[INFO] [stdout] 753fe883a5460e36823172d9b750afe4b67ca2ffb207531e6781c02590865414
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07bb61c8a5f37ea8431d8bfd689104d322f0675b7cc0676d587a36f262ce72d
[INFO] running `Command { std: "docker" "start" "-a" "f07bb61c8a5f37ea8431d8bfd689104d322f0675b7cc0676d587a36f262ce72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling how-futures-are-implemented v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/how_futures_are_implemented-1c1b36358461b3a2)
[INFO] running `Command { std: "docker" "inspect" "f07bb61c8a5f37ea8431d8bfd689104d322f0675b7cc0676d587a36f262ce72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07bb61c8a5f37ea8431d8bfd689104d322f0675b7cc0676d587a36f262ce72d", kill_on_drop: false }`
[INFO] [stdout] f07bb61c8a5f37ea8431d8bfd689104d322f0675b7cc0676d587a36f262ce72d
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0aef911d69f8dfc87d79f8afe212cf3a075603926df9b4b0504d8b64952fac3
[INFO] running `Command { std: "docker" "start" "-a" "d0aef911d69f8dfc87d79f8afe212cf3a075603926df9b4b0504d8b64952fac3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/how_futures_are_implemented-1c1b36358461b3a2)
[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" "d0aef911d69f8dfc87d79f8afe212cf3a075603926df9b4b0504d8b64952fac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0aef911d69f8dfc87d79f8afe212cf3a075603926df9b4b0504d8b64952fac3", kill_on_drop: false }`
[INFO] [stdout] d0aef911d69f8dfc87d79f8afe212cf3a075603926df9b4b0504d8b64952fac3