[INFO] fetching crate vecstorage 0.1.0...
[INFO] testing vecstorage-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vecstorage 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vecstorage 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vecstorage 0.1.0
[INFO] finished tweaking crates.io crate vecstorage 0.1.0
[INFO] tweaked toml for crates.io crate vecstorage 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a28c42e097256afb0d836433ea4faf016033421fb569d20c80abf2d7ffd8551
[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" "7a28c42e097256afb0d836433ea4faf016033421fb569d20c80abf2d7ffd8551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a28c42e097256afb0d836433ea4faf016033421fb569d20c80abf2d7ffd8551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a28c42e097256afb0d836433ea4faf016033421fb569d20c80abf2d7ffd8551", kill_on_drop: false }`
[INFO] [stdout] 7a28c42e097256afb0d836433ea4faf016033421fb569d20c80abf2d7ffd8551
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8c0fd386f1358aff6db32ee2e85c8958a136c634a0080fb096a0939f3b28fd
[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" "7b8c0fd386f1358aff6db32ee2e85c8958a136c634a0080fb096a0939f3b28fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vecstorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7b8c0fd386f1358aff6db32ee2e85c8958a136c634a0080fb096a0939f3b28fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8c0fd386f1358aff6db32ee2e85c8958a136c634a0080fb096a0939f3b28fd", kill_on_drop: false }`
[INFO] [stdout] 7b8c0fd386f1358aff6db32ee2e85c8958a136c634a0080fb096a0939f3b28fd
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039ae9b708fe8b790be99e2cbec24e353146cc99323769aa26e3629ac12c0050
[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" "039ae9b708fe8b790be99e2cbec24e353146cc99323769aa26e3629ac12c0050", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecstorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]    --> src/lib.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let guard = v.vec_guard::<u64>();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "039ae9b708fe8b790be99e2cbec24e353146cc99323769aa26e3629ac12c0050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039ae9b708fe8b790be99e2cbec24e353146cc99323769aa26e3629ac12c0050", kill_on_drop: false }`
[INFO] [stdout] 039ae9b708fe8b790be99e2cbec24e353146cc99323769aa26e3629ac12c0050
[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" "+beta-2021-01-01" "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] b93dc935a72a3fa59078fd07d8c441b1bab946183b8555e948e2d54ed747463f
[INFO] running `Command { std: "docker" "start" "-a" "b93dc935a72a3fa59078fd07d8c441b1bab946183b8555e948e2d54ed747463f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `guard`
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let guard = v.vec_guard::<u64>();
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vecstorage-c0bbd0aa178f52d7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test vecstorage_implements_sync ... ok
[INFO] [stdout] test vecstorage_implements_send ... ok
[INFO] [stdout] test vec_storage_mut_common_use_cases ... ok
[INFO] [stdout] test mem_forgetting_guard_does_not_lead_to_panic ... ok
[INFO] [stderr]    Doc-tests vecstorage
[INFO] [stdout] test mem_forgetting_guard_leads_to_panic_with_new_guard ... ok
[INFO] [stdout] test creating_guard_with_different_size_gives_leads_to_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b93dc935a72a3fa59078fd07d8c441b1bab946183b8555e948e2d54ed747463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93dc935a72a3fa59078fd07d8c441b1bab946183b8555e948e2d54ed747463f", kill_on_drop: false }`
[INFO] [stdout] b93dc935a72a3fa59078fd07d8c441b1bab946183b8555e948e2d54ed747463f