[INFO] fetching crate slacs-core 0.0.0...
[INFO] testing slacs-core-0.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate slacs-core 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slacs-core 0.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slacs-core 0.0.0
[INFO] finished tweaking crates.io crate slacs-core 0.0.0
[INFO] tweaked toml for crates.io crate slacs-core 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99cc2271a28187cfd35123d0bc305e2bb5e48475da1c92b7309f8432192e8151
[INFO] running `"docker" "start" "-a" "99cc2271a28187cfd35123d0bc305e2bb5e48475da1c92b7309f8432192e8151"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling bytecount v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling xi-unicode v0.0.1
[INFO] [stderr]    Compiling gapbuffer v0.1.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling xi-rope v0.1.1
[INFO] [stderr]    Compiling error-chain v0.2.2
[INFO] [stderr]    Compiling slog v0.7.0
[INFO] [stderr]    Compiling slog-term v0.7.0
[INFO] [stderr]    Compiling slog-serde v0.7.0
[INFO] [stderr]    Compiling serde_json v0.7.4
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling slog-json v0.7.0
[INFO] [stderr]    Compiling slacs-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/slacs/marks.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> MarkPosition {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cursor`
[INFO] [stderr]   --> src/slacs/marks.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cursor(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisplayMark`
[INFO] [stderr]   --> src/slacs/marks.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DisplayMark(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `"docker" "inspect" "99cc2271a28187cfd35123d0bc305e2bb5e48475da1c92b7309f8432192e8151"`
[INFO] running `"docker" "rm" "-f" "99cc2271a28187cfd35123d0bc305e2bb5e48475da1c92b7309f8432192e8151"`
[INFO] [stdout] 99cc2271a28187cfd35123d0bc305e2bb5e48475da1c92b7309f8432192e8151
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd2e07608d64b2665359646ae7e09585465e4643b8d80dacd88f266108132e34
[INFO] running `"docker" "start" "-a" "bd2e07608d64b2665359646ae7e09585465e4643b8d80dacd88f266108132e34"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling slacs-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/slacs/marks.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> MarkPosition {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cursor`
[INFO] [stderr]   --> src/slacs/marks.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cursor(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisplayMark`
[INFO] [stderr]   --> src/slacs/marks.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DisplayMark(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "bd2e07608d64b2665359646ae7e09585465e4643b8d80dacd88f266108132e34"`
[INFO] running `"docker" "rm" "-f" "bd2e07608d64b2665359646ae7e09585465e4643b8d80dacd88f266108132e34"`
[INFO] [stdout] bd2e07608d64b2665359646ae7e09585465e4643b8d80dacd88f266108132e34
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8971397157efc440673547f60ad7b1f702950bc37d077eb80f752728eaf7c7da
[INFO] running `"docker" "start" "-a" "8971397157efc440673547f60ad7b1f702950bc37d077eb80f752728eaf7c7da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/slacs/marks.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> MarkPosition {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cursor`
[INFO] [stderr]   --> src/slacs/marks.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cursor(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisplayMark`
[INFO] [stderr]   --> src/slacs/marks.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DisplayMark(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slacs-79120521401ecda7
[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 `"docker" "inspect" "8971397157efc440673547f60ad7b1f702950bc37d077eb80f752728eaf7c7da"`
[INFO] running `"docker" "rm" "-f" "8971397157efc440673547f60ad7b1f702950bc37d077eb80f752728eaf7c7da"`
[INFO] [stdout] 8971397157efc440673547f60ad7b1f702950bc37d077eb80f752728eaf7c7da