[INFO] fetching crate fitting 0.3.0...
[INFO] testing fitting-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate fitting 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fitting 0.3.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fitting 0.3.0
[INFO] finished tweaking crates.io crate fitting 0.3.0
[INFO] tweaked toml for crates.io crate fitting 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fitting 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 545220a439ecf4f2d9d0c05843b9226a79293e1c420230affb5041e44d077f58
[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" "545220a439ecf4f2d9d0c05843b9226a79293e1c420230affb5041e44d077f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545220a439ecf4f2d9d0c05843b9226a79293e1c420230affb5041e44d077f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545220a439ecf4f2d9d0c05843b9226a79293e1c420230affb5041e44d077f58", kill_on_drop: false }`
[INFO] [stdout] 545220a439ecf4f2d9d0c05843b9226a79293e1c420230affb5041e44d077f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c809f560879a10318e21f66733dadbcf8289e8fc858b04e621190c5bde363d6a
[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" "c809f560879a10318e21f66733dadbcf8289e8fc858b04e621190c5bde363d6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "c809f560879a10318e21f66733dadbcf8289e8fc858b04e621190c5bde363d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c809f560879a10318e21f66733dadbcf8289e8fc858b04e621190c5bde363d6a", kill_on_drop: false }`
[INFO] [stdout] c809f560879a10318e21f66733dadbcf8289e8fc858b04e621190c5bde363d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43a65fa69d7d89ad4283cd0e0ed3d840917e5bf2c20f87a9fd2b983de84e714
[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" "e43a65fa69d7d89ad4283cd0e0ed3d840917e5bf2c20f87a9fd2b983de84e714", kill_on_drop: false }`
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "e43a65fa69d7d89ad4283cd0e0ed3d840917e5bf2c20f87a9fd2b983de84e714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43a65fa69d7d89ad4283cd0e0ed3d840917e5bf2c20f87a9fd2b983de84e714", kill_on_drop: false }`
[INFO] [stdout] e43a65fa69d7d89ad4283cd0e0ed3d840917e5bf2c20f87a9fd2b983de84e714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 2c0bc04013cc515a5245089686c3b8d6ded547cf6495d8494d09fc3e750ac289
[INFO] running `Command { std: "docker" "start" "-a" "2c0bc04013cc515a5245089686c3b8d6ded547cf6495d8494d09fc3e750ac289", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fitting-686d6aa4e7961f21)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test gaussian::tests::gaussian_val ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_2x2 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_guos ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_3x3 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_caruanas ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_pivoting ... ok
[INFO] [stdout] test gaussian::tests::gaussian_vals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fitting-812e02c3615fc309)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test it_does_not_works - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fitting
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/gaussian.rs - gaussian::val (line 41) ... ok
[INFO] [stdout] test src/linalg.rs - linalg::solve (line 11) ... ok
[INFO] [stdout] test src/gaussian.rs - gaussian::val (line 54) ... ok
[INFO] [stdout] test src/gaussian.rs - gaussian::fit (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c0bc04013cc515a5245089686c3b8d6ded547cf6495d8494d09fc3e750ac289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0bc04013cc515a5245089686c3b8d6ded547cf6495d8494d09fc3e750ac289", kill_on_drop: false }`
[INFO] [stdout] 2c0bc04013cc515a5245089686c3b8d6ded547cf6495d8494d09fc3e750ac289