[INFO] fetching crate numrs 0.2.0...
[INFO] testing numrs-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate numrs 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate numrs 0.2.0 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 numrs 0.2.0
[INFO] finished tweaking crates.io crate numrs 0.2.0
[INFO] tweaked toml for crates.io crate numrs 0.2.0 written to /workspace/builds/worker-6/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] [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ceb52b18beb3e35fff88c1069d1e7492a42a51b9ab4a486720b9506c36615df
[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" "9ceb52b18beb3e35fff88c1069d1e7492a42a51b9ab4a486720b9506c36615df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ceb52b18beb3e35fff88c1069d1e7492a42a51b9ab4a486720b9506c36615df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ceb52b18beb3e35fff88c1069d1e7492a42a51b9ab4a486720b9506c36615df", kill_on_drop: false }`
[INFO] [stdout] 9ceb52b18beb3e35fff88c1069d1e7492a42a51b9ab4a486720b9506c36615df
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 1f07dbae9251384a678e425c0de3c7e1cf6eb18c414c74e4a95de334ffb9f08e
[INFO] running `Command { std: "docker" "start" "-a" "1f07dbae9251384a678e425c0de3c7e1cf6eb18c414c74e4a95de334ffb9f08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling numrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "1f07dbae9251384a678e425c0de3c7e1cf6eb18c414c74e4a95de334ffb9f08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f07dbae9251384a678e425c0de3c7e1cf6eb18c414c74e4a95de334ffb9f08e", kill_on_drop: false }`
[INFO] [stdout] 1f07dbae9251384a678e425c0de3c7e1cf6eb18c414c74e4a95de334ffb9f08e
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd965f578039b598061679b1d73202679b51039750789fd53e95a7b6f63a1839
[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" "fd965f578039b598061679b1d73202679b51039750789fd53e95a7b6f63a1839", kill_on_drop: false }`
[INFO] [stderr]    Compiling numrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "fd965f578039b598061679b1d73202679b51039750789fd53e95a7b6f63a1839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd965f578039b598061679b1d73202679b51039750789fd53e95a7b6f63a1839", kill_on_drop: false }`
[INFO] [stdout] fd965f578039b598061679b1d73202679b51039750789fd53e95a7b6f63a1839
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91545d33d07c7574824ac540e014d76a4b2a49105600bf93aafe73b56779fbf6
[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" "91545d33d07c7574824ac540e014d76a4b2a49105600bf93aafe73b56779fbf6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/numrs-90ea569ca18d4527
[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] [stderr]      Running /opt/rustwide/target/debug/deps/matrix-0e24caec4f20b8f4
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_basic_matrix ... ok
[INFO] [stdout] test test_identity_matrix ... ok
[INFO] [stdout] test test_matrix_index ... ok
[INFO] [stdout] test test_matrix_multiply ... ok
[INFO] [stdout] test test_matrix_eq ... ok
[INFO] [stdout] test test_matrix_reshape ... ok
[INFO] [stdout] test test_matrix_transpose ... ok
[INFO] [stdout] test test_matrix_trace ... ok
[INFO] [stdout] test test_scalar_multiply ... ok
[INFO] [stdout] test test_matrix_add ... ok
[INFO] [stdout] test test_matrix_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vector-546e11bc134412b7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_basic_vector ... ok
[INFO] [stdout] test test_vector_add ... ok
[INFO] [stdout] test test_vector_multiply ... ok
[INFO] [stdout] test test_scalar_multiply ... ok
[INFO] [stderr]    Doc-tests numrs
[INFO] [stdout] test test_vector_clone ... ok
[INFO] [stdout] test test_vector_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - matrix (line 11) ... ok
[INFO] [stdout] test src/lib.rs - vector (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91545d33d07c7574824ac540e014d76a4b2a49105600bf93aafe73b56779fbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91545d33d07c7574824ac540e014d76a4b2a49105600bf93aafe73b56779fbf6", kill_on_drop: false }`
[INFO] [stdout] 91545d33d07c7574824ac540e014d76a4b2a49105600bf93aafe73b56779fbf6