[INFO] fetching crate fractionfree 0.1.4...
[INFO] testing fractionfree-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fractionfree 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fractionfree 0.1.4
[INFO] finished tweaking crates.io crate fractionfree 0.1.4
[INFO] tweaked toml for crates.io crate fractionfree 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fractionfree 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fractionfree 0.1.4 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb0313e9ef242aabc1f3718844d63558a36584979cd34951574207d04c1b636
[INFO] running `Command { std: "docker" "start" "-a" "3fb0313e9ef242aabc1f3718844d63558a36584979cd34951574207d04c1b636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb0313e9ef242aabc1f3718844d63558a36584979cd34951574207d04c1b636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb0313e9ef242aabc1f3718844d63558a36584979cd34951574207d04c1b636", kill_on_drop: false }`
[INFO] [stdout] 3fb0313e9ef242aabc1f3718844d63558a36584979cd34951574207d04c1b636
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09311aeaa1bca9078c5e2478ab9c7ef78c704dc5a0ec923b797b2200ce994a3
[INFO] running `Command { std: "docker" "start" "-a" "b09311aeaa1bca9078c5e2478ab9c7ef78c704dc5a0ec923b797b2200ce994a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling fractionfree v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "b09311aeaa1bca9078c5e2478ab9c7ef78c704dc5a0ec923b797b2200ce994a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09311aeaa1bca9078c5e2478ab9c7ef78c704dc5a0ec923b797b2200ce994a3", kill_on_drop: false }`
[INFO] [stdout] b09311aeaa1bca9078c5e2478ab9c7ef78c704dc5a0ec923b797b2200ce994a3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca92e6cd8e09ae28912ad31879c36589e4bd424224ce7909e5ad004b85ffdff7
[INFO] running `Command { std: "docker" "start" "-a" "ca92e6cd8e09ae28912ad31879c36589e4bd424224ce7909e5ad004b85ffdff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractionfree v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "ca92e6cd8e09ae28912ad31879c36589e4bd424224ce7909e5ad004b85ffdff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca92e6cd8e09ae28912ad31879c36589e4bd424224ce7909e5ad004b85ffdff7", kill_on_drop: false }`
[INFO] [stdout] ca92e6cd8e09ae28912ad31879c36589e4bd424224ce7909e5ad004b85ffdff7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2eab274474ab1629f617a9c210e9925441b1429b85e4ea8695b577191d6716e
[INFO] running `Command { std: "docker" "start" "-a" "e2eab274474ab1629f617a9c210e9925441b1429b85e4ea8695b577191d6716e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fractionfree-438ea89836f7f5c2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::determinant ... ok
[INFO] [stdout] test tests::extract_roundtrip ... ok
[INFO] [stdout] test tests::lu_errors ... ok
[INFO] [stdout] test tests::solve_determinate_roundtrip ... ok
[INFO] [stdout] test tests::normalise ... ok
[INFO] [stdout] test tests::inverse_dot_eye ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fractionfree
[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" "e2eab274474ab1629f617a9c210e9925441b1429b85e4ea8695b577191d6716e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2eab274474ab1629f617a9c210e9925441b1429b85e4ea8695b577191d6716e", kill_on_drop: false }`
[INFO] [stdout] e2eab274474ab1629f617a9c210e9925441b1429b85e4ea8695b577191d6716e