[INFO] fetching crate sac 0.2.2...
[INFO] testing sac-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sac 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sac 0.2.2 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 sac 0.2.2
[INFO] finished tweaking crates.io crate sac 0.2.2
[INFO] tweaked toml for crates.io crate sac 0.2.2 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 18f21796700d70146c294c76aae6b669555d7df104fefc8e573e038dbb11a0a6
[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" "18f21796700d70146c294c76aae6b669555d7df104fefc8e573e038dbb11a0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f21796700d70146c294c76aae6b669555d7df104fefc8e573e038dbb11a0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f21796700d70146c294c76aae6b669555d7df104fefc8e573e038dbb11a0a6", kill_on_drop: false }`
[INFO] [stdout] 18f21796700d70146c294c76aae6b669555d7df104fefc8e573e038dbb11a0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 9bf35ef37526eb7233d402b38f63c6231f46974453ee16a31769bff9f90b0606
[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" "9bf35ef37526eb7233d402b38f63c6231f46974453ee16a31769bff9f90b0606", kill_on_drop: false }`
[INFO] [stderr]    Compiling sac v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9bf35ef37526eb7233d402b38f63c6231f46974453ee16a31769bff9f90b0606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf35ef37526eb7233d402b38f63c6231f46974453ee16a31769bff9f90b0606", kill_on_drop: false }`
[INFO] [stdout] 9bf35ef37526eb7233d402b38f63c6231f46974453ee16a31769bff9f90b0606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 541d1cee62ac7f75f0d6d840ecd22d400b81224b0be71807a435d39c46803737
[INFO] running `Command { std: "docker" "start" "-a" "541d1cee62ac7f75f0d6d840ecd22d400b81224b0be71807a435d39c46803737", kill_on_drop: false }`
[INFO] [stderr]    Compiling sac v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "541d1cee62ac7f75f0d6d840ecd22d400b81224b0be71807a435d39c46803737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541d1cee62ac7f75f0d6d840ecd22d400b81224b0be71807a435d39c46803737", kill_on_drop: false }`
[INFO] [stdout] 541d1cee62ac7f75f0d6d840ecd22d400b81224b0be71807a435d39c46803737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 350040f1369b5c461405c3d97d17825708301701f1e9049ed3a142c4278fca7e
[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" "350040f1369b5c461405c3d97d17825708301701f1e9049ed3a142c4278fca7e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sac-3d6d7d70d15705cb)
[INFO] [stdout] test iterator::tests::more_than_32_items ... ok
[INFO] [stdout] test tests::array::more_than_32_items ... ok
[INFO] [stdout] test tests::array::non_copy_values ... ok
[INFO] [stdout] test tests::array::heap_allocated_string_values ... ok
[INFO] [stdout] test iterator::tests::create_an_iterator_that_collects ... ok
[INFO] [stdout] test tests::map::more_than_32_items ... ok
[INFO] [stdout] test tests::map::expr_key ... ok
[INFO] [stdout] test tests::map::many_items_string_key_trailing_comma ... ok
[INFO] [stdout] test tests::map::one_item_string_key ... ok
[INFO] [stdout] test tests::map::var_key ... ok
[INFO] [stdout] test tests::map::many_items_string_key ... ok
[INFO] [stdout] test tests::map::empty_heap_allocated_string ... ok
[INFO] [stdout] test tests::array::many_items_trailing_comma ... ok
[INFO] [stdout] test tests::array::empty_heap_allocated_string ... ok
[INFO] [stdout] test tests::array::empty ... ok
[INFO] [stdout] test tests::map::heap_allocated_string_key ... ok
[INFO] [stdout] test tests::map::heap_allocated_string_values ... ok
[INFO] [stdout] test tests::map::non_copy_values ... ok
[INFO] [stdout] test tests::array::one_item ... ok
[INFO] [stdout] test tests::array::one_item_trailing_comma ... ok
[INFO] [stdout] test tests::map::empty ... ok
[INFO] [stdout] test tests::map::number_keys ... ok
[INFO] [stdout] test tests::map::one_item_string_key_trailing_comma ... ok
[INFO] [stderr]    Doc-tests sac
[INFO] [stdout] test tests::array::many_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - sac (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - sac (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - sac (line 136) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "350040f1369b5c461405c3d97d17825708301701f1e9049ed3a142c4278fca7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350040f1369b5c461405c3d97d17825708301701f1e9049ed3a142c4278fca7e", kill_on_drop: false }`
[INFO] [stdout] 350040f1369b5c461405c3d97d17825708301701f1e9049ed3a142c4278fca7e