[INFO] fetching crate isaac 0.1.0...
[INFO] testing isaac-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate isaac 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate isaac 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isaac 0.1.0
[INFO] finished tweaking crates.io crate isaac 0.1.0
[INFO] tweaked toml for crates.io crate isaac 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rm v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46c2154b5b3425a22f9d3a043c566c7beb2fc9af0de683e1a90e5cfc0b40f27d
[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" "46c2154b5b3425a22f9d3a043c566c7beb2fc9af0de683e1a90e5cfc0b40f27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46c2154b5b3425a22f9d3a043c566c7beb2fc9af0de683e1a90e5cfc0b40f27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c2154b5b3425a22f9d3a043c566c7beb2fc9af0de683e1a90e5cfc0b40f27d", kill_on_drop: false }`
[INFO] [stdout] 46c2154b5b3425a22f9d3a043c566c7beb2fc9af0de683e1a90e5cfc0b40f27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db9464f2d80858931ca1c29f5ecf1e7ecee1b49ba145131d857c28caca5046f
[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" "6db9464f2d80858931ca1c29f5ecf1e7ecee1b49ba145131d857c28caca5046f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rm v0.3.2
[INFO] [stderr]    Compiling isaac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `w32` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w64` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type w64 = w<u64>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `w32`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | static empty: Rng = Rng {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "6db9464f2d80858931ca1c29f5ecf1e7ecee1b49ba145131d857c28caca5046f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db9464f2d80858931ca1c29f5ecf1e7ecee1b49ba145131d857c28caca5046f", kill_on_drop: false }`
[INFO] [stdout] 6db9464f2d80858931ca1c29f5ecf1e7ecee1b49ba145131d857c28caca5046f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 750111c1826d29fe69bff8da575b98aaf7f0b42e70e018508a39345e3503f88a
[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" "750111c1826d29fe69bff8da575b98aaf7f0b42e70e018508a39345e3503f88a", kill_on_drop: false }`
[INFO] [stderr]    Compiling isaac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `w32` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w64` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type w64 = w<u64>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `w32`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | static empty: Rng = Rng {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w32` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w64` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type w64 = w<u64>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `w32`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | static empty: Rng = Rng {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "750111c1826d29fe69bff8da575b98aaf7f0b42e70e018508a39345e3503f88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750111c1826d29fe69bff8da575b98aaf7f0b42e70e018508a39345e3503f88a", kill_on_drop: false }`
[INFO] [stdout] 750111c1826d29fe69bff8da575b98aaf7f0b42e70e018508a39345e3503f88a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3366ea128634e7e4d763515c4c8474d7573bbca94ecde36243d5038a691c54e2
[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" "3366ea128634e7e4d763515c4c8474d7573bbca94ecde36243d5038a691c54e2", kill_on_drop: false }`
[INFO] [stderr] warning: type `w32` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:27:6
[INFO] [stderr]    |
[INFO] [stderr] 27 | type w32 = w<u32>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `w64` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | type w64 = w<u64>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `w32`
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | type w32 = w<u32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `empty` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | static empty: Rng = Rng {
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type `w32` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:27:6
[INFO] [stderr]    |
[INFO] [stderr] 27 | type w32 = w<u32>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `w64` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | type w64 = w<u64>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `w32`
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | type w32 = w<u32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `empty` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | static empty: Rng = Rng {
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isaac-783a1e45868ce70c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_rng_64_reseed ... ok
[INFO] [stdout] test tests::test_rng_64_seeded ... ok
[INFO] [stdout] test tests::test_rng_clone ... ok
[INFO] [stdout] test tests::test_rng_64_true_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests isaac
[INFO] [stderr] warning: type `w32` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:27:6
[INFO] [stderr]    |
[INFO] [stderr] 27 | type w32 = w<u32>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `w64` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | type w64 = w<u64>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "3366ea128634e7e4d763515c4c8474d7573bbca94ecde36243d5038a691c54e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3366ea128634e7e4d763515c4c8474d7573bbca94ecde36243d5038a691c54e2", kill_on_drop: false }`
[INFO] [stdout] 3366ea128634e7e4d763515c4c8474d7573bbca94ecde36243d5038a691c54e2