[INFO] fetching crate tinymt 1.0.4...
[INFO] checking tinymt-1.0.4 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate tinymt 1.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tinymt 1.0.4 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinymt 1.0.4
[INFO] finished tweaking crates.io crate tinymt 1.0.4
[INFO] tweaked toml for crates.io crate tinymt 1.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tinymt 1.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41d6ce1317ee8df7b6e2b7866170ca228f526738424b6f42f9168eeefdb457f9
[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" "41d6ce1317ee8df7b6e2b7866170ca228f526738424b6f42f9168eeefdb457f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d6ce1317ee8df7b6e2b7866170ca228f526738424b6f42f9168eeefdb457f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d6ce1317ee8df7b6e2b7866170ca228f526738424b6f42f9168eeefdb457f9", kill_on_drop: false }`
[INFO] [stdout] 41d6ce1317ee8df7b6e2b7866170ca228f526738424b6f42f9168eeefdb457f9
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fc1eabcb0b60d0c58f2da4784ab0fc5c189b5437afa2ab0f955ae86a16c5a2e
[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" "1fc1eabcb0b60d0c58f2da4784ab0fc5c189b5437afa2ab0f955ae86a16c5a2e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tinymt v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/tinymt32.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TINYMT32_MUL: f64 = (1.0f64 / 16_777_216.0_f64);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/tinymt64.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TINYMT64_MUL: f64 = (1.0 / 9_007_199_254_740_992.0);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/tinymt32.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TINYMT32_MUL: f64 = (1.0f64 / 16_777_216.0_f64);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/tinymt64.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TINYMT64_MUL: f64 = (1.0 / 9_007_199_254_740_992.0);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "1fc1eabcb0b60d0c58f2da4784ab0fc5c189b5437afa2ab0f955ae86a16c5a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc1eabcb0b60d0c58f2da4784ab0fc5c189b5437afa2ab0f955ae86a16c5a2e", kill_on_drop: false }`
[INFO] [stdout] 1fc1eabcb0b60d0c58f2da4784ab0fc5c189b5437afa2ab0f955ae86a16c5a2e