[INFO] fetching crate fitting 0.3.0...
[INFO] testing fitting-0.3.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate fitting 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fitting 0.3.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a17ae603dbaa23fe5f90eb757834fd945eee40cc3fff14bd05e8af7b36bc690
[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" "2a17ae603dbaa23fe5f90eb757834fd945eee40cc3fff14bd05e8af7b36bc690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a17ae603dbaa23fe5f90eb757834fd945eee40cc3fff14bd05e8af7b36bc690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a17ae603dbaa23fe5f90eb757834fd945eee40cc3fff14bd05e8af7b36bc690", kill_on_drop: false }`
[INFO] [stdout] 2a17ae603dbaa23fe5f90eb757834fd945eee40cc3fff14bd05e8af7b36bc690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f4d3ed1520448879c7754f089ade42369d96d814245d1ee78936c8006a2400f
[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" "4f4d3ed1520448879c7754f089ade42369d96d814245d1ee78936c8006a2400f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[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 14.54s
[INFO] running `Command { std: "docker" "inspect" "4f4d3ed1520448879c7754f089ade42369d96d814245d1ee78936c8006a2400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4d3ed1520448879c7754f089ade42369d96d814245d1ee78936c8006a2400f", kill_on_drop: false }`
[INFO] [stdout] 4f4d3ed1520448879c7754f089ade42369d96d814245d1ee78936c8006a2400f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eca606ee5d3276ded4d5a70bba9544a1003b3c356f2fb316cfc09a03b00ce1c
[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" "7eca606ee5d3276ded4d5a70bba9544a1003b3c356f2fb316cfc09a03b00ce1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "7eca606ee5d3276ded4d5a70bba9544a1003b3c356f2fb316cfc09a03b00ce1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eca606ee5d3276ded4d5a70bba9544a1003b3c356f2fb316cfc09a03b00ce1c", kill_on_drop: false }`
[INFO] [stdout] 7eca606ee5d3276ded4d5a70bba9544a1003b3c356f2fb316cfc09a03b00ce1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] a196784d0b72f97f34869373d70b04a01903ed6e046e9c7fb7bd7d19d18a362b
[INFO] running `Command { std: "docker" "start" "-a" "a196784d0b72f97f34869373d70b04a01903ed6e046e9c7fb7bd7d19d18a362b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fitting-4c58bf6a4a6bace0
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fitting-5a96eaa88404706f
[INFO] [stdout] test linalg::tests::linalg_solve_2x2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_3x3 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions_2 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_vals ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions ... ok
[INFO] [stdout] test gaussian::tests::gaussian_val ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_pivoting ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions_2 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_guos ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_caruanas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stderr]    Doc-tests fitting
[INFO] [stdout] test it_does_not_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/gaussian.rs - gaussian::val (line 41) ... 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] test src/linalg.rs - linalg::solve (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a196784d0b72f97f34869373d70b04a01903ed6e046e9c7fb7bd7d19d18a362b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a196784d0b72f97f34869373d70b04a01903ed6e046e9c7fb7bd7d19d18a362b", kill_on_drop: false }`
[INFO] [stdout] a196784d0b72f97f34869373d70b04a01903ed6e046e9c7fb7bd7d19d18a362b