[INFO] fetching crate tinymt 1.0.4...
[INFO] checking tinymt-1.0.4 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate tinymt 1.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tinymt 1.0.4 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 63ae7907f5ec164afce6f350d462ca14b2ea5b2d50a9e7aad2a8a32fb89367da
[INFO] running `Command { std: "docker" "start" "-a" "63ae7907f5ec164afce6f350d462ca14b2ea5b2d50a9e7aad2a8a32fb89367da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63ae7907f5ec164afce6f350d462ca14b2ea5b2d50a9e7aad2a8a32fb89367da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ae7907f5ec164afce6f350d462ca14b2ea5b2d50a9e7aad2a8a32fb89367da", kill_on_drop: false }`
[INFO] [stdout] 63ae7907f5ec164afce6f350d462ca14b2ea5b2d50a9e7aad2a8a32fb89367da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7483c2afb70133cac4c9d2b9974ce52e9c34b2a3d9d9174bb318fbda42b46f2
[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" "a7483c2afb70133cac4c9d2b9974ce52e9c34b2a3d9d9174bb318fbda42b46f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[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 4.45s
[INFO] running `Command { std: "docker" "inspect" "a7483c2afb70133cac4c9d2b9974ce52e9c34b2a3d9d9174bb318fbda42b46f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7483c2afb70133cac4c9d2b9974ce52e9c34b2a3d9d9174bb318fbda42b46f2", kill_on_drop: false }`
[INFO] [stdout] a7483c2afb70133cac4c9d2b9974ce52e9c34b2a3d9d9174bb318fbda42b46f2