[INFO] fetching crate futures-signals-structs-traits 0.2.0...
[INFO] testing futures-signals-structs-traits-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate futures-signals-structs-traits 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-signals-structs-traits 0.2.0 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 crates.io crate futures-signals-structs-traits 0.2.0
[INFO] finished tweaking crates.io crate futures-signals-structs-traits 0.2.0
[INFO] tweaked toml for crates.io crate futures-signals-structs-traits 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b28272fbbd65ccdb4005c2b3130a71c892450b76a679ef6d8fab82d0d31b2a1
[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" "8b28272fbbd65ccdb4005c2b3130a71c892450b76a679ef6d8fab82d0d31b2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b28272fbbd65ccdb4005c2b3130a71c892450b76a679ef6d8fab82d0d31b2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b28272fbbd65ccdb4005c2b3130a71c892450b76a679ef6d8fab82d0d31b2a1", kill_on_drop: false }`
[INFO] [stdout] 8b28272fbbd65ccdb4005c2b3130a71c892450b76a679ef6d8fab82d0d31b2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38066518e56273e626b77a532d9baec5c9e94f2d8b3a467591b67541b270a177
[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" "38066518e56273e626b77a532d9baec5c9e94f2d8b3a467591b67541b270a177", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling futures-signals v0.3.24
[INFO] [stderr]    Compiling futures-signals-structs-traits v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "38066518e56273e626b77a532d9baec5c9e94f2d8b3a467591b67541b270a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38066518e56273e626b77a532d9baec5c9e94f2d8b3a467591b67541b270a177", kill_on_drop: false }`
[INFO] [stdout] 38066518e56273e626b77a532d9baec5c9e94f2d8b3a467591b67541b270a177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a749bbdfd6ca336638835ee3750781d75b538dd5d1e4b1b6d08bc97280dbe6ed
[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" "a749bbdfd6ca336638835ee3750781d75b538dd5d1e4b1b6d08bc97280dbe6ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-signals-structs-traits v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_signals_structs_traits-29c0d9f82548d61d)
[INFO] running `Command { std: "docker" "inspect" "a749bbdfd6ca336638835ee3750781d75b538dd5d1e4b1b6d08bc97280dbe6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a749bbdfd6ca336638835ee3750781d75b538dd5d1e4b1b6d08bc97280dbe6ed", kill_on_drop: false }`
[INFO] [stdout] a749bbdfd6ca336638835ee3750781d75b538dd5d1e4b1b6d08bc97280dbe6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] b51d503809dbe3b6b42bdd620e2481834319d442bf14f11bdcc5c9ad3d3e7271
[INFO] running `Command { std: "docker" "start" "-a" "b51d503809dbe3b6b42bdd620e2481834319d442bf14f11bdcc5c9ad3d3e7271", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_signals_structs_traits-29c0d9f82548d61d)
[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] [stderr]    Doc-tests futures-signals-structs-traits
[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" "b51d503809dbe3b6b42bdd620e2481834319d442bf14f11bdcc5c9ad3d3e7271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51d503809dbe3b6b42bdd620e2481834319d442bf14f11bdcc5c9ad3d3e7271", kill_on_drop: false }`
[INFO] [stdout] b51d503809dbe3b6b42bdd620e2481834319d442bf14f11bdcc5c9ad3d3e7271