[INFO] fetching crate futures-trace 0.0.0...
[INFO] testing futures-trace-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-trace 0.0.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate futures-trace 0.0.0 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 futures-trace 0.0.0
[INFO] finished tweaking crates.io crate futures-trace 0.0.0
[INFO] tweaked toml for crates.io crate futures-trace 0.0.0 written to /workspace/builds/worker-95/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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 59042a6caa204dd960a113514588c235c41b2d379f3aa34c3d82640735516075
[INFO] running `Command { std: "docker" "start" "-a" "59042a6caa204dd960a113514588c235c41b2d379f3aa34c3d82640735516075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59042a6caa204dd960a113514588c235c41b2d379f3aa34c3d82640735516075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59042a6caa204dd960a113514588c235c41b2d379f3aa34c3d82640735516075", kill_on_drop: false }`
[INFO] [stdout] 59042a6caa204dd960a113514588c235c41b2d379f3aa34c3d82640735516075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 54ab8ab8bebb1c5d46b5f3b5f74506afc93e566d3660cec2680b6825f0c6ddfa
[INFO] running `Command { std: "docker" "start" "-a" "54ab8ab8bebb1c5d46b5f3b5f74506afc93e566d3660cec2680b6825f0c6ddfa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "54ab8ab8bebb1c5d46b5f3b5f74506afc93e566d3660cec2680b6825f0c6ddfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ab8ab8bebb1c5d46b5f3b5f74506afc93e566d3660cec2680b6825f0c6ddfa", kill_on_drop: false }`
[INFO] [stdout] 54ab8ab8bebb1c5d46b5f3b5f74506afc93e566d3660cec2680b6825f0c6ddfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] ceff6bc3ef99893510628ea639476731fe11e255465b11a5b767b908324a3b83
[INFO] running `Command { std: "docker" "start" "-a" "ceff6bc3ef99893510628ea639476731fe11e255465b11a5b767b908324a3b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "ceff6bc3ef99893510628ea639476731fe11e255465b11a5b767b908324a3b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceff6bc3ef99893510628ea639476731fe11e255465b11a5b767b908324a3b83", kill_on_drop: false }`
[INFO] [stdout] ceff6bc3ef99893510628ea639476731fe11e255465b11a5b767b908324a3b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 66e6af80d77cc5c1c2833d49fba36cee93e0855f68de48253feb4de03e779599
[INFO] running `Command { std: "docker" "start" "-a" "66e6af80d77cc5c1c2833d49fba36cee93e0855f68de48253feb4de03e779599", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_trace-0f7c9343600bdfae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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] [stderr]    Doc-tests futures-trace
[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" "66e6af80d77cc5c1c2833d49fba36cee93e0855f68de48253feb4de03e779599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e6af80d77cc5c1c2833d49fba36cee93e0855f68de48253feb4de03e779599", kill_on_drop: false }`
[INFO] [stdout] 66e6af80d77cc5c1c2833d49fba36cee93e0855f68de48253feb4de03e779599