[INFO] fetching crate libzerostash 0.1.0...
[INFO] testing libzerostash-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libzerostash 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libzerostash 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 libzerostash 0.1.0
[INFO] finished tweaking crates.io crate libzerostash 0.1.0
[INFO] tweaked toml for crates.io crate libzerostash 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ceda6a392823de4d8a75315c35caff65c6dfb05922fc870c244f6fe6d98bc257
[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" "ceda6a392823de4d8a75315c35caff65c6dfb05922fc870c244f6fe6d98bc257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceda6a392823de4d8a75315c35caff65c6dfb05922fc870c244f6fe6d98bc257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceda6a392823de4d8a75315c35caff65c6dfb05922fc870c244f6fe6d98bc257", kill_on_drop: false }`
[INFO] [stdout] ceda6a392823de4d8a75315c35caff65c6dfb05922fc870c244f6fe6d98bc257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 179ff90f620ef3a365c549aa2a36128ddd45e98e739e4b378309bf1587abe437
[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" "179ff90f620ef3a365c549aa2a36128ddd45e98e739e4b378309bf1587abe437", kill_on_drop: false }`
[INFO] [stderr]    Compiling libzerostash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling secrecy v0.7.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling rust-argon2 v0.8.3
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling lru v0.5.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/meta/reader.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     objects: ObjectIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 31.68s
[INFO] running `Command { std: "docker" "inspect" "179ff90f620ef3a365c549aa2a36128ddd45e98e739e4b378309bf1587abe437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179ff90f620ef3a365c549aa2a36128ddd45e98e739e4b378309bf1587abe437", kill_on_drop: false }`
[INFO] [stdout] 179ff90f620ef3a365c549aa2a36128ddd45e98e739e4b378309bf1587abe437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 50355d75f5ebd1309805baffd638629922b14f66c5727e2dab8db3cb076b82bc
[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" "50355d75f5ebd1309805baffd638629922b14f66c5727e2dab8db3cb076b82bc", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/meta/reader.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     objects: ObjectIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling libzerostash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/meta/reader.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     objects: ObjectIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 23.04s
[INFO] running `Command { std: "docker" "inspect" "50355d75f5ebd1309805baffd638629922b14f66c5727e2dab8db3cb076b82bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50355d75f5ebd1309805baffd638629922b14f66c5727e2dab8db3cb076b82bc", kill_on_drop: false }`
[INFO] [stdout] 50355d75f5ebd1309805baffd638629922b14f66c5727e2dab8db3cb076b82bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 79b651ce4d1e4a746b97413737790d4ee1b8a03baec24cd6e32f6a2005c1e694
[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" "79b651ce4d1e4a746b97413737790d4ee1b8a03baec24cd6e32f6a2005c1e694", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `objects`
[INFO] [stderr]   --> src/meta/reader.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     objects: ObjectIndex,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `objects`
[INFO] [stderr]   --> src/meta/reader.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     objects: ObjectIndex,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libzerostash-00da722a78104046
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test rollsum::tests::bupsplit_selftest ... ignored
[INFO] [stdout] test crypto::tests::test_chunk_encryption ... ok
[INFO] [stdout] test stash::restore::tests::path_removes_root ... ok
[INFO] [stdout] test splitter::tests::check_chunk_iterator_sum ... ok
[INFO] [stdout] test stash::store::tests::test_stats_add_up ... ok
[INFO] [stdout] test crypto::tests::test_object_encryption ... ok
[INFO] [stdout] test meta::tests::can_deserialize_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libzerostash
[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" "79b651ce4d1e4a746b97413737790d4ee1b8a03baec24cd6e32f6a2005c1e694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b651ce4d1e4a746b97413737790d4ee1b8a03baec24cd6e32f6a2005c1e694", kill_on_drop: false }`
[INFO] [stdout] 79b651ce4d1e4a746b97413737790d4ee1b8a03baec24cd6e32f6a2005c1e694