[INFO] fetching crate vec2dim 0.3.2...
[INFO] testing vec2dim-0.3.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vec2dim 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vec2dim 0.3.2 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 vec2dim 0.3.2
[INFO] finished tweaking crates.io crate vec2dim 0.3.2
[INFO] tweaked toml for crates.io crate vec2dim 0.3.2 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3978793c11492292312d0e1fbc46f800dec1d6abb41d17a2dd827d99ee181965
[INFO] running `Command { std: "docker" "start" "-a" "3978793c11492292312d0e1fbc46f800dec1d6abb41d17a2dd827d99ee181965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3978793c11492292312d0e1fbc46f800dec1d6abb41d17a2dd827d99ee181965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3978793c11492292312d0e1fbc46f800dec1d6abb41d17a2dd827d99ee181965", kill_on_drop: false }`
[INFO] [stdout] 3978793c11492292312d0e1fbc46f800dec1d6abb41d17a2dd827d99ee181965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8ec6d0562a7c1147905f715391120d1962cc8990a83ab920086290f95741999f
[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" "8ec6d0562a7c1147905f715391120d1962cc8990a83ab920086290f95741999f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec2dim v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/wrapping.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DataType`
[INFO] [stdout]   --> src/wrapping.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type DataType = i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "8ec6d0562a7c1147905f715391120d1962cc8990a83ab920086290f95741999f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec6d0562a7c1147905f715391120d1962cc8990a83ab920086290f95741999f", kill_on_drop: false }`
[INFO] [stdout] 8ec6d0562a7c1147905f715391120d1962cc8990a83ab920086290f95741999f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9edd19393d770ceba03cfadba0b38db6999238788dce891fe54d0a37e57dcd2d
[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" "9edd19393d770ceba03cfadba0b38db6999238788dce891fe54d0a37e57dcd2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec2dim v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/wrapping.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DataType`
[INFO] [stdout]   --> src/wrapping.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type DataType = i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "9edd19393d770ceba03cfadba0b38db6999238788dce891fe54d0a37e57dcd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edd19393d770ceba03cfadba0b38db6999238788dce891fe54d0a37e57dcd2d", kill_on_drop: false }`
[INFO] [stdout] 9edd19393d770ceba03cfadba0b38db6999238788dce891fe54d0a37e57dcd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b4e3d38f8fc0bbebafdf74593f5a161214d960c1c708729b79803aa8743fca24
[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" "b4e3d38f8fc0bbebafdf74593f5a161214d960c1c708729b79803aa8743fca24", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/wrapping.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DataType`
[INFO] [stderr]   --> src/wrapping.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     type DataType = i32;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vec2dim-608da1bf8799338e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test vec2d::tests::build_from_defaults ... ok
[INFO] [stdout] test vec2d::tests::check_initializer ... ok
[INFO] [stdout] test wrapping::tests::check_array_access ... ok
[INFO] [stdout] test vec2d::tests::build_from_data ... ok
[INFO] [stdout] test vec2d::tests::test_data_pushing ... ok
[INFO] [stdout] test vec2d::tests::test_data_insertion ... ok
[INFO] [stdout] test wrapping::tests::check_index ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-f422b3f0f581a8f7
[INFO] [stdout] test vec2d::tests::panics_on_mismatched_arr_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_init_fn ... ok
[INFO] [stdout] test test_init_closure ... ok
[INFO] [stdout] test test_wrapping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec2dim
[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" "b4e3d38f8fc0bbebafdf74593f5a161214d960c1c708729b79803aa8743fca24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e3d38f8fc0bbebafdf74593f5a161214d960c1c708729b79803aa8743fca24", kill_on_drop: false }`
[INFO] [stdout] b4e3d38f8fc0bbebafdf74593f5a161214d960c1c708729b79803aa8743fca24