[INFO] fetching crate unit_test_utils 0.1.3...
[INFO] testing unit_test_utils-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate unit_test_utils 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unit_test_utils 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unit_test_utils 0.1.3
[INFO] finished tweaking crates.io crate unit_test_utils 0.1.3
[INFO] tweaked toml for crates.io crate unit_test_utils 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded num-complex v0.2.4
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc2f86d6a24c7fb830c94d00f5a9788d29f088fd8d8a05081fd42ad0676e398a
[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" "fc2f86d6a24c7fb830c94d00f5a9788d29f088fd8d8a05081fd42ad0676e398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc2f86d6a24c7fb830c94d00f5a9788d29f088fd8d8a05081fd42ad0676e398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2f86d6a24c7fb830c94d00f5a9788d29f088fd8d8a05081fd42ad0676e398a", kill_on_drop: false }`
[INFO] [stdout] fc2f86d6a24c7fb830c94d00f5a9788d29f088fd8d8a05081fd42ad0676e398a
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a204a0a4645c24575d3020bcb3c3b46e2c5ae1535d2712af69ace8eba047fedc
[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" "a204a0a4645c24575d3020bcb3c3b46e2c5ae1535d2712af69ace8eba047fedc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling unit_test_utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:97:51
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), msg);
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), "{}", msg);
[INFO] [stdout]    |                                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "a204a0a4645c24575d3020bcb3c3b46e2c5ae1535d2712af69ace8eba047fedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a204a0a4645c24575d3020bcb3c3b46e2c5ae1535d2712af69ace8eba047fedc", kill_on_drop: false }`
[INFO] [stdout] a204a0a4645c24575d3020bcb3c3b46e2c5ae1535d2712af69ace8eba047fedc
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6d0bb2f34c94e741e859f191b5d5fa94db25deaa18d748fe849b04e1bfd533
[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" "6a6d0bb2f34c94e741e859f191b5d5fa94db25deaa18d748fe849b04e1bfd533", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit_test_utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:97:51
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), msg);
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), "{}", msg);
[INFO] [stdout]    |                                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:97:51
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), msg);
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), "{}", msg);
[INFO] [stdout]    |                                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6a6d0bb2f34c94e741e859f191b5d5fa94db25deaa18d748fe849b04e1bfd533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6d0bb2f34c94e741e859f191b5d5fa94db25deaa18d748fe849b04e1bfd533", kill_on_drop: false }`
[INFO] [stdout] 6a6d0bb2f34c94e741e859f191b5d5fa94db25deaa18d748fe849b04e1bfd533
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 6551ff6ffcbccba11a92ea9b427becb82c07661657d72e73fdb82725c489daf2
[INFO] running `Command { std: "docker" "start" "-a" "6551ff6ffcbccba11a92ea9b427becb82c07661657d72e73fdb82725c489daf2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 25 tests
[INFO] [stderr]   --> src/lib.rs:97:51
[INFO] [stdout] test tests::absolutely_equal ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::finite_array ... ok
[INFO] [stderr] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), msg);
[INFO] [stdout] test tests::arrays_equal ... ok
[INFO] [stderr]    |                                                   ^^^
[INFO] [stdout] test tests::any_is_nan ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::assert_all_positive ... ok
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] test tests::infinities ... ok
[INFO] [stderr]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout] test tests::arrays_identical ... ok
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] test tests::nans ... ok
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stdout] test tests::assert_all_le_one_f32 ... ok
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert!(nearly_equal(a, b, rel_tol, abs_tol), "{}", msg);
[INFO] [stderr]    |                                                   +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `unit_test_utils` (lib) generated 1 warning
[INFO] [stderr] warning: `unit_test_utils` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unit_test_utils-e118f2cf7edf3ba0)
[INFO] [stdout] test tests::with_f32 ... ok
[INFO] [stdout] test tests::not_nearly_equal ... ok
[INFO] [stdout] test tests::really_nearly_equal ... ok
[INFO] [stdout] test tests::not_nearly_equal_rel_tol ... ok
[INFO] [stdout] test tests::arrays_not_equal ... ok
[INFO] [stdout] test tests::finite_array_panic - should panic ... ok
[INFO] [stdout] test tests::assert_arrays_not_equal - should panic ... ok
[INFO] [stdout] test tests::assert_all_le_one_panic - should panic ... ok
[INFO] [stdout] test tests::assert_arrays_different_lens - should panic ... ok
[INFO] [stdout] test tests::nan_is_not_finite - should panic ... ok
[INFO] [stdout] test tests::assert_numbers_equal - should panic ... ok
[INFO] [stdout] test tests::assert_all_positive_panic - should panic ... ok
[INFO] [stdout] test tests::finite_array_panic_neg_inf - should panic ... ok
[INFO] [stdout] test tests::no_nonpositive_abs_tol - should panic ... ok
[INFO] [stdout] test tests::no_nonpositive_rel_tol - should panic ... ok
[INFO] [stdout] test tests::none_is_none_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unit_test_utils
[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" "6551ff6ffcbccba11a92ea9b427becb82c07661657d72e73fdb82725c489daf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6551ff6ffcbccba11a92ea9b427becb82c07661657d72e73fdb82725c489daf2", kill_on_drop: false }`
[INFO] [stdout] 6551ff6ffcbccba11a92ea9b427becb82c07661657d72e73fdb82725c489daf2