[INFO] fetching crate gt-hypercube 0.1.1...
[INFO] testing gt-hypercube-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gt-hypercube 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gt-hypercube 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gt-hypercube 0.1.1
[INFO] finished tweaking crates.io crate gt-hypercube 0.1.1
[INFO] tweaked toml for crates.io crate gt-hypercube 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gt-hypercube 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c46bbaa10cb1063a61296a58ae4ec809232e6728ef634b1db0c897e41d8f86ea
[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" "c46bbaa10cb1063a61296a58ae4ec809232e6728ef634b1db0c897e41d8f86ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46bbaa10cb1063a61296a58ae4ec809232e6728ef634b1db0c897e41d8f86ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46bbaa10cb1063a61296a58ae4ec809232e6728ef634b1db0c897e41d8f86ea", kill_on_drop: false }`
[INFO] [stdout] c46bbaa10cb1063a61296a58ae4ec809232e6728ef634b1db0c897e41d8f86ea
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd780c582f06a2562a2120d0af523ecc9ef9c15454c13a330eb031a0b7a1ec75
[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" "bd780c582f06a2562a2120d0af523ecc9ef9c15454c13a330eb031a0b7a1ec75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gt-graph v0.1.1
[INFO] [stderr]    Compiling gt-graph-path v0.1.1
[INFO] [stderr]    Compiling gt-directed-bijective-connection-graph v0.2.2
[INFO] [stderr]    Compiling gt-hypercube v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "bd780c582f06a2562a2120d0af523ecc9ef9c15454c13a330eb031a0b7a1ec75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd780c582f06a2562a2120d0af523ecc9ef9c15454c13a330eb031a0b7a1ec75", kill_on_drop: false }`
[INFO] [stdout] bd780c582f06a2562a2120d0af523ecc9ef9c15454c13a330eb031a0b7a1ec75
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4240c7a21e45d18b42f4043f95d71d3edd13c841629d0d2dd90c436fb3b9cf0c
[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" "4240c7a21e45d18b42f4043f95d71d3edd13c841629d0d2dd90c436fb3b9cf0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gt-hypercube v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "4240c7a21e45d18b42f4043f95d71d3edd13c841629d0d2dd90c436fb3b9cf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4240c7a21e45d18b42f4043f95d71d3edd13c841629d0d2dd90c436fb3b9cf0c", kill_on_drop: false }`
[INFO] [stdout] 4240c7a21e45d18b42f4043f95d71d3edd13c841629d0d2dd90c436fb3b9cf0c
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b58dff2951543d0fc0c484c2a01bd4148f11c2b4940ee2024cc8e28e4bd24bc4
[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" "b58dff2951543d0fc0c484c2a01bd4148f11c2b4940ee2024cc8e28e4bd24bc4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gt_hypercube-1144f61522218822
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gt-hypercube
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b58dff2951543d0fc0c484c2a01bd4148f11c2b4940ee2024cc8e28e4bd24bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58dff2951543d0fc0c484c2a01bd4148f11c2b4940ee2024cc8e28e4bd24bc4", kill_on_drop: false }`
[INFO] [stdout] b58dff2951543d0fc0c484c2a01bd4148f11c2b4940ee2024cc8e28e4bd24bc4