[INFO] cloning repository https://github.com/CallumJHays/rust-ann
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CallumJHays/rust-ann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallumJHays%2Frust-ann"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallumJHays%2Frust-ann'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 093be3e9ebe0340b22d2a36404d63d2bece115aa
[INFO] testing CallumJHays/rust-ann against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallumJHays%2Frust-ann" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CallumJHays/rust-ann on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CallumJHays/rust-ann
[INFO] finished tweaking git repo https://github.com/CallumJHays/rust-ann
[INFO] tweaked toml for git repo https://github.com/CallumJHays/rust-ann written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/CallumJHays/rust-ann already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e426a5757f9ee7ffaf64f9911bd35173da46b608eeca8ef2859de8b310ad9fa2
[INFO] running `"docker" "start" "-a" "e426a5757f9ee7ffaf64f9911bd35173da46b608eeca8ef2859de8b310ad9fa2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling pretty_env_logger v0.1.0
[INFO] [stderr]    Compiling linear_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub activator: Box<Activator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |                activator: Box<Activator>)
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     activator: Box<Activator>,
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `"docker" "inspect" "e426a5757f9ee7ffaf64f9911bd35173da46b608eeca8ef2859de8b310ad9fa2"`
[INFO] running `"docker" "rm" "-f" "e426a5757f9ee7ffaf64f9911bd35173da46b608eeca8ef2859de8b310ad9fa2"`
[INFO] [stdout] e426a5757f9ee7ffaf64f9911bd35173da46b608eeca8ef2859de8b310ad9fa2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e64b01eeea4f3ae13c184915c7ab70c63c21b18372080e9cebbd98147c2d7ec0
[INFO] running `"docker" "start" "-a" "e64b01eeea4f3ae13c184915c7ab70c63c21b18372080e9cebbd98147c2d7ec0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linear_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub activator: Box<Activator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |                activator: Box<Activator>)
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     activator: Box<Activator>,
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "e64b01eeea4f3ae13c184915c7ab70c63c21b18372080e9cebbd98147c2d7ec0"`
[INFO] running `"docker" "rm" "-f" "e64b01eeea4f3ae13c184915c7ab70c63c21b18372080e9cebbd98147c2d7ec0"`
[INFO] [stdout] e64b01eeea4f3ae13c184915c7ab70c63c21b18372080e9cebbd98147c2d7ec0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d3dd8acfc7091de749e74e3d092453d2b1cde751761a6fa4f986790e4f0c781f
[INFO] running `"docker" "start" "-a" "d3dd8acfc7091de749e74e3d092453d2b1cde751761a6fa4f986790e4f0c781f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub activator: Box<Activator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/layer/mod.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |                activator: Box<Activator>)
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/network/mod.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     activator: Box<Activator>,
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Activator`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linear_regression-1ec5e6cada4d5e89
[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" "d3dd8acfc7091de749e74e3d092453d2b1cde751761a6fa4f986790e4f0c781f"`
[INFO] running `"docker" "rm" "-f" "d3dd8acfc7091de749e74e3d092453d2b1cde751761a6fa4f986790e4f0c781f"`
[INFO] [stdout] d3dd8acfc7091de749e74e3d092453d2b1cde751761a6fa4f986790e4f0c781f