[INFO] fetching crate graph-generators 0.1.0...
[INFO] testing graph-generators-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate graph-generators 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graph-generators 0.1.0 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 graph-generators 0.1.0
[INFO] finished tweaking crates.io crate graph-generators 0.1.0
[INFO] tweaked toml for crates.io crate graph-generators 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fcc11543c5760228eba2d598b19bbaaafd608f96cfd14ced04ea4f6b4620d8aa
[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" "fcc11543c5760228eba2d598b19bbaaafd608f96cfd14ced04ea4f6b4620d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc11543c5760228eba2d598b19bbaaafd608f96cfd14ced04ea4f6b4620d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc11543c5760228eba2d598b19bbaaafd608f96cfd14ced04ea4f6b4620d8aa", kill_on_drop: false }`
[INFO] [stdout] fcc11543c5760228eba2d598b19bbaaafd608f96cfd14ced04ea4f6b4620d8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0944b357113fcf3c41f945aedd6ff003a96e50e604ab5d107894e7493a9a0025
[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" "0944b357113fcf3c41f945aedd6ff003a96e50e604ab5d107894e7493a9a0025", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-generators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> src/lib.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |         targets = rand::sample(rng, repeated_nodes.iter().cloned(), m);
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 1.65s
[INFO] running `Command { std: "docker" "inspect" "0944b357113fcf3c41f945aedd6ff003a96e50e604ab5d107894e7493a9a0025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0944b357113fcf3c41f945aedd6ff003a96e50e604ab5d107894e7493a9a0025", kill_on_drop: false }`
[INFO] [stdout] 0944b357113fcf3c41f945aedd6ff003a96e50e604ab5d107894e7493a9a0025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 839fb15db6a477c383fe700c3bd7b6d4e8f16b87ba93b403e955b75c6b13f926
[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" "839fb15db6a477c383fe700c3bd7b6d4e8f16b87ba93b403e955b75c6b13f926", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-generators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> src/lib.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |         targets = rand::sample(rng, repeated_nodes.iter().cloned(), m);
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> src/lib.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |         targets = rand::sample(rng, repeated_nodes.iter().cloned(), m);
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 1.32s
[INFO] running `Command { std: "docker" "inspect" "839fb15db6a477c383fe700c3bd7b6d4e8f16b87ba93b403e955b75c6b13f926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839fb15db6a477c383fe700c3bd7b6d4e8f16b87ba93b403e955b75c6b13f926", kill_on_drop: false }`
[INFO] [stdout] 839fb15db6a477c383fe700c3bd7b6d4e8f16b87ba93b403e955b75c6b13f926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d7f7cb4ca8fc32f3198b0c687d51405d680c45f5ec040bb77877ec374d89000a
[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" "d7f7cb4ca8fc32f3198b0c687d51405d680c45f5ec040bb77877ec374d89000a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |         targets = rand::sample(rng, repeated_nodes.iter().cloned(), m);
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |         targets = rand::sample(rng, repeated_nodes.iter().cloned(), m);
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graph_generators-b4c9cdb43f64eadb
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests graph-generators
[INFO] [stdout] test test_barabasi_albert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "d7f7cb4ca8fc32f3198b0c687d51405d680c45f5ec040bb77877ec374d89000a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f7cb4ca8fc32f3198b0c687d51405d680c45f5ec040bb77877ec374d89000a", kill_on_drop: false }`
[INFO] [stdout] d7f7cb4ca8fc32f3198b0c687d51405d680c45f5ec040bb77877ec374d89000a