[INFO] fetching crate isaac 0.1.0...
[INFO] testing isaac-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate isaac 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate isaac 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 090e41b5bec614dbc7828a172c8a8d03f70106ba6d84b67a305e10f2ef704415
[INFO] running `Command { std: "docker" "start" "-a" "090e41b5bec614dbc7828a172c8a8d03f70106ba6d84b67a305e10f2ef704415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090e41b5bec614dbc7828a172c8a8d03f70106ba6d84b67a305e10f2ef704415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090e41b5bec614dbc7828a172c8a8d03f70106ba6d84b67a305e10f2ef704415", kill_on_drop: false }`
[INFO] [stdout] 090e41b5bec614dbc7828a172c8a8d03f70106ba6d84b67a305e10f2ef704415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 960068d4d54fa089dc2419f5cfa9c6d2dda2a996e1147f3f1dc2817d3e14c2e5
[INFO] running `Command { std: "docker" "start" "-a" "960068d4d54fa089dc2419f5cfa9c6d2dda2a996e1147f3f1dc2817d3e14c2e5", 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "960068d4d54fa089dc2419f5cfa9c6d2dda2a996e1147f3f1dc2817d3e14c2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960068d4d54fa089dc2419f5cfa9c6d2dda2a996e1147f3f1dc2817d3e14c2e5", kill_on_drop: false }`
[INFO] [stdout] 960068d4d54fa089dc2419f5cfa9c6d2dda2a996e1147f3f1dc2817d3e14c2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0d337e87227716d433174bbc50fe33ac552c4c4f33bcfc0b2b2b3ae4f45df8a
[INFO] running `Command { std: "docker" "start" "-a" "a0d337e87227716d433174bbc50fe33ac552c4c4f33bcfc0b2b2b3ae4f45df8a", 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] [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 1.13s
[INFO] running `Command { std: "docker" "inspect" "a0d337e87227716d433174bbc50fe33ac552c4c4f33bcfc0b2b2b3ae4f45df8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d337e87227716d433174bbc50fe33ac552c4c4f33bcfc0b2b2b3ae4f45df8a", kill_on_drop: false }`
[INFO] [stdout] a0d337e87227716d433174bbc50fe33ac552c4c4f33bcfc0b2b2b3ae4f45df8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0897a2353c327d66b09cb98a780702cd5b50a752a5e65e4b181b0a83563bbd1
[INFO] running `Command { std: "docker" "start" "-a" "a0897a2353c327d66b09cb98a780702cd5b50a752a5e65e4b181b0a83563bbd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `isaac` (lib) generated 4 warnings
[INFO] [stderr] warning: `isaac` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isaac-cb4155e817bd221b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_rng_clone ... ok
[INFO] [stdout] test tests::test_rng_64_seeded ... ok
[INFO] [stdout] test tests::test_rng_64_reseed ... 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" "a0897a2353c327d66b09cb98a780702cd5b50a752a5e65e4b181b0a83563bbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0897a2353c327d66b09cb98a780702cd5b50a752a5e65e4b181b0a83563bbd1", kill_on_drop: false }`
[INFO] [stdout] a0897a2353c327d66b09cb98a780702cd5b50a752a5e65e4b181b0a83563bbd1