[INFO] fetching crate noisy_float 0.1.13...
[INFO] testing noisy_float-0.1.13 against 1.49.0 for beta-1.50-1
[INFO] extracting crate noisy_float 0.1.13 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate noisy_float 0.1.13 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noisy_float 0.1.13
[INFO] finished tweaking crates.io crate noisy_float 0.1.13
[INFO] tweaked toml for crates.io crate noisy_float 0.1.13 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8650b7d2f1328b31a2b0743a9162079b7c0f6eb82b9e822c754fb0aff2544ad9
[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" "8650b7d2f1328b31a2b0743a9162079b7c0f6eb82b9e822c754fb0aff2544ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8650b7d2f1328b31a2b0743a9162079b7c0f6eb82b9e822c754fb0aff2544ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8650b7d2f1328b31a2b0743a9162079b7c0f6eb82b9e822c754fb0aff2544ad9", kill_on_drop: false }`
[INFO] [stdout] 8650b7d2f1328b31a2b0743a9162079b7c0f6eb82b9e822c754fb0aff2544ad9
[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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5bd40399c8d40a7ae4363d6f7307b513d55802920436531af2ffee7c766237b
[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" "a5bd40399c8d40a7ae4363d6f7307b513d55802920436531af2ffee7c766237b", kill_on_drop: false }`
[INFO] [stderr]    Compiling noisy_float v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "a5bd40399c8d40a7ae4363d6f7307b513d55802920436531af2ffee7c766237b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5bd40399c8d40a7ae4363d6f7307b513d55802920436531af2ffee7c766237b", kill_on_drop: false }`
[INFO] [stdout] a5bd40399c8d40a7ae4363d6f7307b513d55802920436531af2ffee7c766237b
[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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07f844f2d555da11a28fc96abf9c4847ce6b3203a0a29dbbd6f055c1f24c774f
[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" "07f844f2d555da11a28fc96abf9c4847ce6b3203a0a29dbbd6f055c1f24c774f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling noisy_float v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:370:42
[INFO] [stdout]     |
[INFO] [stdout] 370 |         assert_eq!(N64::try_borrowed_mut(&mut f64::NAN), None);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.64s
[INFO] running `Command { std: "docker" "inspect" "07f844f2d555da11a28fc96abf9c4847ce6b3203a0a29dbbd6f055c1f24c774f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f844f2d555da11a28fc96abf9c4847ce6b3203a0a29dbbd6f055c1f24c774f", kill_on_drop: false }`
[INFO] [stdout] 07f844f2d555da11a28fc96abf9c4847ce6b3203a0a29dbbd6f055c1f24c774f
[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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2ef02918640407ace01a0b7d08e5dbf2cc4ae20c661beca1c864ebfc9ec8c4d4
[INFO] running `Command { std: "docker" "start" "-a" "2ef02918640407ace01a0b7d08e5dbf2cc4ae20c661beca1c864ebfc9ec8c4d4", kill_on_drop: false }`
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/lib.rs:370:42
[INFO] [stderr]     |
[INFO] [stderr] 370 |         assert_eq!(N64::try_borrowed_mut(&mut f64::NAN), None);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/noisy_float-e29be4f99c64b6a5
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::borrowed_casts ... ok
[INFO] [stdout] test tests::ensure_layout ... ok
[INFO] [stdout] test tests::epsilon ... ok
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] test tests::resolves_min_max ... ok
[INFO] [stdout] test tests::test_convert ... ok
[INFO] [stdout] test tests::test_try_into ... ok
[INFO] [stdout] test tests::n64_nan ... ok
[INFO] [stdout] test tests::r64_nan ... ok
[INFO] [stdout] test tests::r64_infinity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests noisy_float
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ef02918640407ace01a0b7d08e5dbf2cc4ae20c661beca1c864ebfc9ec8c4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef02918640407ace01a0b7d08e5dbf2cc4ae20c661beca1c864ebfc9ec8c4d4", kill_on_drop: false }`
[INFO] [stdout] 2ef02918640407ace01a0b7d08e5dbf2cc4ae20c661beca1c864ebfc9ec8c4d4