[INFO] fetching crate graph-generators 0.1.0...
[INFO] testing graph-generators-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate graph-generators 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate graph-generators 0.1.0 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 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-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25dd29a110ca633bcf3cc8e3d8d114ae791f8d71f123f6119019071bce3d31b0
[INFO] running `Command { std: "docker" "start" "-a" "25dd29a110ca633bcf3cc8e3d8d114ae791f8d71f123f6119019071bce3d31b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25dd29a110ca633bcf3cc8e3d8d114ae791f8d71f123f6119019071bce3d31b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dd29a110ca633bcf3cc8e3d8d114ae791f8d71f123f6119019071bce3d31b0", kill_on_drop: false }`
[INFO] [stdout] 25dd29a110ca633bcf3cc8e3d8d114ae791f8d71f123f6119019071bce3d31b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 541e91bd12908028c2dff580e0605ba5491d35e469b6154b2e0500e99954f0fe
[INFO] running `Command { std: "docker" "start" "-a" "541e91bd12908028c2dff580e0605ba5491d35e469b6154b2e0500e99954f0fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[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:76:25
[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 0.76s
[INFO] running `Command { std: "docker" "inspect" "541e91bd12908028c2dff580e0605ba5491d35e469b6154b2e0500e99954f0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541e91bd12908028c2dff580e0605ba5491d35e469b6154b2e0500e99954f0fe", kill_on_drop: false }`
[INFO] [stdout] 541e91bd12908028c2dff580e0605ba5491d35e469b6154b2e0500e99954f0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ec5c78cf0b426571c6d2bf148e82c2d6f5132f8f3c8da7f8ceaa36de96433e6
[INFO] running `Command { std: "docker" "start" "-a" "7ec5c78cf0b426571c6d2bf148e82c2d6f5132f8f3c8da7f8ceaa36de96433e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:76:25
[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:76:25
[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 0.84s
[INFO] running `Command { std: "docker" "inspect" "7ec5c78cf0b426571c6d2bf148e82c2d6f5132f8f3c8da7f8ceaa36de96433e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec5c78cf0b426571c6d2bf148e82c2d6f5132f8f3c8da7f8ceaa36de96433e6", kill_on_drop: false }`
[INFO] [stdout] 7ec5c78cf0b426571c6d2bf148e82c2d6f5132f8f3c8da7f8ceaa36de96433e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 43f737a00b5e682cc13d6d7e6eb754231cc8aa9f1477e0ff9342e5e6b8cf8f66
[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" "43f737a00b5e682cc13d6d7e6eb754231cc8aa9f1477e0ff9342e5e6b8cf8f66", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:76:25
[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: `graph-generators` (lib) generated 1 warning
[INFO] [stderr] warning: `graph-generators` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_generators-16cc22b21b4c2484)
[INFO] [stdout] 
[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; finished in 0.11s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43f737a00b5e682cc13d6d7e6eb754231cc8aa9f1477e0ff9342e5e6b8cf8f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f737a00b5e682cc13d6d7e6eb754231cc8aa9f1477e0ff9342e5e6b8cf8f66", kill_on_drop: false }`
[INFO] [stdout] 43f737a00b5e682cc13d6d7e6eb754231cc8aa9f1477e0ff9342e5e6b8cf8f66