[INFO] fetching crate subset 0.3.0...
[INFO] testing subset-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate subset 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate subset 0.3.0 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 subset 0.3.0
[INFO] finished tweaking crates.io crate subset 0.3.0
[INFO] tweaked toml for crates.io crate subset 0.3.0 written to /workspace/builds/worker-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c8fc8186a3579dd48cbb76f8bffdb14b5d1f3a26432eb1559150eee30b8a262d
[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" "c8fc8186a3579dd48cbb76f8bffdb14b5d1f3a26432eb1559150eee30b8a262d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8fc8186a3579dd48cbb76f8bffdb14b5d1f3a26432eb1559150eee30b8a262d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fc8186a3579dd48cbb76f8bffdb14b5d1f3a26432eb1559150eee30b8a262d", kill_on_drop: false }`
[INFO] [stdout] c8fc8186a3579dd48cbb76f8bffdb14b5d1f3a26432eb1559150eee30b8a262d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bdb5a3ad391d3f5fcb60a3038f45bd6cf92857f44c281629243567f0b644a44b
[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" "bdb5a3ad391d3f5fcb60a3038f45bd6cf92857f44c281629243567f0b644a44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "bdb5a3ad391d3f5fcb60a3038f45bd6cf92857f44c281629243567f0b644a44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb5a3ad391d3f5fcb60a3038f45bd6cf92857f44c281629243567f0b644a44b", kill_on_drop: false }`
[INFO] [stdout] bdb5a3ad391d3f5fcb60a3038f45bd6cf92857f44c281629243567f0b644a44b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b1162e5d640941647cec46822f3e14b3f06b50de5f7054ad5800a7ba205eebe9
[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" "b1162e5d640941647cec46822f3e14b3f06b50de5f7054ad5800a7ba205eebe9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling subset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "b1162e5d640941647cec46822f3e14b3f06b50de5f7054ad5800a7ba205eebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1162e5d640941647cec46822f3e14b3f06b50de5f7054ad5800a7ba205eebe9", kill_on_drop: false }`
[INFO] [stdout] b1162e5d640941647cec46822f3e14b3f06b50de5f7054ad5800a7ba205eebe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d903b0ad4c7ea2276d01f181dfa5742a5bb801353ced1810f8e278b7a6f2417
[INFO] running `Command { std: "docker" "start" "-a" "3d903b0ad4c7ea2276d01f181dfa5742a5bb801353ced1810f8e278b7a6f2417", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subset-a75fe8c5ca7cb939
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi::tests::test_mut ... ok
[INFO] [stdout] test unique::tests::test_mut ... ok
[INFO] [stdout] test multi::tests::test_set ... ok
[INFO] [stdout] test unique::tests::test_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests subset
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/multi/mod.rs - multi (line 6) ... ignored
[INFO] [stdout] test src/unique/mod.rs - unique::Subset::new (line 61) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::is_unique (line 262) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::is_unique (line 125) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique::SubsetMut::new (line 160) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::SubsetMut::new (line 221) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi (line 22) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi::Subset::new (line 85) ... ok
[INFO] [stdout] test src/unique/mod.rs - unique (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d903b0ad4c7ea2276d01f181dfa5742a5bb801353ced1810f8e278b7a6f2417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d903b0ad4c7ea2276d01f181dfa5742a5bb801353ced1810f8e278b7a6f2417", kill_on_drop: false }`
[INFO] [stdout] 3d903b0ad4c7ea2276d01f181dfa5742a5bb801353ced1810f8e278b7a6f2417