[INFO] cloning repository https://github.com/digitalnativeinc/math256
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digitalnativeinc/math256" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigitalnativeinc%2Fmath256", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigitalnativeinc%2Fmath256'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2600aed20941f61ae2d891773db9e8eda45c204a
[INFO] checking digitalnativeinc/math256 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigitalnativeinc%2Fmath256" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digitalnativeinc/math256 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digitalnativeinc/math256
[INFO] finished tweaking git repo https://github.com/digitalnativeinc/math256
[INFO] tweaked toml for git repo https://github.com/digitalnativeinc/math256 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/digitalnativeinc/math256 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f7451d4a55976e4cf2c789736f3512b0f5301a27b4a2490df158d7d885bfaf
[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" "66f7451d4a55976e4cf2c789736f3512b0f5301a27b4a2490df158d7d885bfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f7451d4a55976e4cf2c789736f3512b0f5301a27b4a2490df158d7d885bfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f7451d4a55976e4cf2c789736f3512b0f5301a27b4a2490df158d7d885bfaf", kill_on_drop: false }`
[INFO] [stdout] 66f7451d4a55976e4cf2c789736f3512b0f5301a27b4a2490df158d7d885bfaf
[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=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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291f6aaab01c1cb358892b986eda4d4ef61dd23e7f55ca36740cace5873470d4
[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" "291f6aaab01c1cb358892b986eda4d4ef61dd23e7f55ca36740cace5873470d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling schemars v0.7.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling schemars_derive v0.7.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking num256 v0.3.0
[INFO] [stderr]     Checking serde-json-wasm v0.2.1
[INFO] [stderr]     Checking math_256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `DECIMAL_FRACTIONAL_U256` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn DECIMAL_FRACTIONAL_U256()-> Uint256 { Uint256::from_str_radix("1_000_000_000_000_000_000", 10).unwrap() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `decimal_fractional_u256`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `MAX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn MAX() -> DecimalUint256{  DecimalUint256(Uint256::max_value())  }
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `DECIMAL_FRACTIONAL_U256` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn DECIMAL_FRACTIONAL_U256()-> Uint256 { Uint256::from_str_radix("1_000_000_000_000_000_000", 10).unwrap() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `decimal_fractional_u256`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `MAX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn MAX() -> DecimalUint256{  DecimalUint256(Uint256::max_value())  }
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.09s
[INFO] running `Command { std: "docker" "inspect" "291f6aaab01c1cb358892b986eda4d4ef61dd23e7f55ca36740cace5873470d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291f6aaab01c1cb358892b986eda4d4ef61dd23e7f55ca36740cace5873470d4", kill_on_drop: false }`
[INFO] [stdout] 291f6aaab01c1cb358892b986eda4d4ef61dd23e7f55ca36740cace5873470d4