[INFO] fetching crate fountain_engine 1.1.1...
[INFO] testing fountain_engine-1.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fountain_engine 1.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fountain_engine 1.1.1
[INFO] finished tweaking crates.io crate fountain_engine 1.1.1
[INFO] tweaked toml for crates.io crate fountain_engine 1.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fountain_engine 1.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fountain_engine 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce170af3cf94eaa3ef1dd35f5844d53df2645f5e2bc9760c39b6b338721611c
[INFO] running `Command { std: "docker" "start" "-a" "dce170af3cf94eaa3ef1dd35f5844d53df2645f5e2bc9760c39b6b338721611c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce170af3cf94eaa3ef1dd35f5844d53df2645f5e2bc9760c39b6b338721611c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce170af3cf94eaa3ef1dd35f5844d53df2645f5e2bc9760c39b6b338721611c", kill_on_drop: false }`
[INFO] [stdout] dce170af3cf94eaa3ef1dd35f5844d53df2645f5e2bc9760c39b6b338721611c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b369a55dd0121f8bdbc590df5581e56d28de464813cab448f6805d67a56f1a8
[INFO] running `Command { std: "docker" "start" "-a" "9b369a55dd0121f8bdbc590df5581e56d28de464813cab448f6805d67a56f1a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fountain_engine v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "9b369a55dd0121f8bdbc590df5581e56d28de464813cab448f6805d67a56f1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b369a55dd0121f8bdbc590df5581e56d28de464813cab448f6805d67a56f1a8", kill_on_drop: false }`
[INFO] [stdout] 9b369a55dd0121f8bdbc590df5581e56d28de464813cab448f6805d67a56f1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee961919ba8920e7c8ca6ce3fd5b57f6e3fdeb7a5b175660ded484fd3b2d95a
[INFO] running `Command { std: "docker" "start" "-a" "6ee961919ba8920e7c8ca6ce3fd5b57f6e3fdeb7a5b175660ded484fd3b2d95a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fountain_engine v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6ee961919ba8920e7c8ca6ce3fd5b57f6e3fdeb7a5b175660ded484fd3b2d95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee961919ba8920e7c8ca6ce3fd5b57f6e3fdeb7a5b175660ded484fd3b2d95a", kill_on_drop: false }`
[INFO] [stdout] 6ee961919ba8920e7c8ca6ce3fd5b57f6e3fdeb7a5b175660ded484fd3b2d95a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4937c3435fe7dbc8b5838a0ee5927dd1263bc20a6d357395f5f79d8c9ac46368
[INFO] running `Command { std: "docker" "start" "-a" "4937c3435fe7dbc8b5838a0ee5927dd1263bc20a6d357395f5f79d8c9ac46368", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fountain_engine-f9bddc1591863493)
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_basic_operations ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_associative_law ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_distributive_law ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_commutative_law ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_mul_alpha_consistency ... ok
[INFO] [stdout] test algebra::linear_algebra::tests::test_simple_linear_system ... ok
[INFO] [stdout] test algebra::linear_algebra::tests::test_singular_matrix ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_inverse_table ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_zero_and_identity ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_multiplication_table ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_gf256_division_consistency ... ok
[INFO] [stdout] test algebra::finite_field::tests::test_inverse_of_zero - should panic ... ok
[INFO] [stderr]    Doc-tests fountain_engine
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4937c3435fe7dbc8b5838a0ee5927dd1263bc20a6d357395f5f79d8c9ac46368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4937c3435fe7dbc8b5838a0ee5927dd1263bc20a6d357395f5f79d8c9ac46368", kill_on_drop: false }`
[INFO] [stdout] 4937c3435fe7dbc8b5838a0ee5927dd1263bc20a6d357395f5f79d8c9ac46368