[INFO] fetching crate math-concept 0.0.3...
[INFO] testing math-concept-0.0.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate math-concept 0.0.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate math-concept 0.0.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math-concept 0.0.3
[INFO] finished tweaking crates.io crate math-concept 0.0.3
[INFO] tweaked toml for crates.io crate math-concept 0.0.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 6426435df40b6913e5ae79dd2aa240f481918d4efe1eaa3f6da8b3456d832204
[INFO] running `Command { std: "docker" "start" "-a" "6426435df40b6913e5ae79dd2aa240f481918d4efe1eaa3f6da8b3456d832204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6426435df40b6913e5ae79dd2aa240f481918d4efe1eaa3f6da8b3456d832204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6426435df40b6913e5ae79dd2aa240f481918d4efe1eaa3f6da8b3456d832204", kill_on_drop: false }`
[INFO] [stdout] 6426435df40b6913e5ae79dd2aa240f481918d4efe1eaa3f6da8b3456d832204
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec03260ad6c43ae3b2130a2651faa5db8ddb4832606edc3873933202a61b22bb
[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" "ec03260ad6c43ae3b2130a2651faa5db8ddb4832606edc3873933202a61b22bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ec03260ad6c43ae3b2130a2651faa5db8ddb4832606edc3873933202a61b22bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec03260ad6c43ae3b2130a2651faa5db8ddb4832606edc3873933202a61b22bb", kill_on_drop: false }`
[INFO] [stdout] ec03260ad6c43ae3b2130a2651faa5db8ddb4832606edc3873933202a61b22bb
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55fd5cc5ec361ca0ea9f363199f23aa0a45e71ca88618fd16271949c2cc677e
[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" "d55fd5cc5ec361ca0ea9f363199f23aa0a45e71ca88618fd16271949c2cc677e", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d55fd5cc5ec361ca0ea9f363199f23aa0a45e71ca88618fd16271949c2cc677e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55fd5cc5ec361ca0ea9f363199f23aa0a45e71ca88618fd16271949c2cc677e", kill_on_drop: false }`
[INFO] [stdout] d55fd5cc5ec361ca0ea9f363199f23aa0a45e71ca88618fd16271949c2cc677e
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99fd899983d5131187d0461035ccfac141373700ecfc2133dfbcaa190e5cbda7
[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" "99fd899983d5131187d0461035ccfac141373700ecfc2133dfbcaa190e5cbda7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_concept-99c6ffea3e6fa64a)
[INFO] [stdout] test lalg::matrix::tests::returns_rows ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_diagonal_when_matrix_is_square ... ok
[INFO] [stdout] test lalg::matrix::tests::gets_correct_element ... ok
[INFO] [stdout] test lalg::matrix::tests::mutates_element_at ... ok
[INFO] [stdout] test lalg::matrix::tests::adds_two_matrices ... ok
[INFO] [stdout] test lalg::matrix::tests::matrix_multiplication_is_not_commutative ... ok
[INFO] [stdout] test lalg::matrix::tests::maps_properly ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_cols ... ok
[INFO] [stdout] test lalg::matrix::tests::diagonal_panics_when_matrix_is_not_square ... ok
[INFO] [stdout] test lalg::matrix::tests::panics_when_out_of_bounds ... ok
[INFO] [stdout] test lalg::matrix::tests::mult_panics_when_dimensions_dont_match ... ok
[INFO] [stdout] test lalg::matrix::tests::add_panics_when_matrices_differ_in_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math-concept
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 21) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::map (line 86) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::diagonal (line 108) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99fd899983d5131187d0461035ccfac141373700ecfc2133dfbcaa190e5cbda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fd899983d5131187d0461035ccfac141373700ecfc2133dfbcaa190e5cbda7", kill_on_drop: false }`
[INFO] [stdout] 99fd899983d5131187d0461035ccfac141373700ecfc2133dfbcaa190e5cbda7