[INFO] fetching crate wrapping_arithmetic 0.1.0...
[INFO] testing wrapping_arithmetic-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate wrapping_arithmetic 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wrapping_arithmetic 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrapping_arithmetic 0.1.0
[INFO] finished tweaking crates.io crate wrapping_arithmetic 0.1.0
[INFO] tweaked toml for crates.io crate wrapping_arithmetic 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 2b166714fff35e3cb68bd0906b52c50a67689edafb4b7c7f6e67b94dfeee0f69
[INFO] running `Command { std: "docker" "start" "-a" "2b166714fff35e3cb68bd0906b52c50a67689edafb4b7c7f6e67b94dfeee0f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b166714fff35e3cb68bd0906b52c50a67689edafb4b7c7f6e67b94dfeee0f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b166714fff35e3cb68bd0906b52c50a67689edafb4b7c7f6e67b94dfeee0f69", kill_on_drop: false }`
[INFO] [stdout] 2b166714fff35e3cb68bd0906b52c50a67689edafb4b7c7f6e67b94dfeee0f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10066727804d85e3bbc718dc28dd00246645d3ac705c8d3c77cd02ad40010b3a
[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" "10066727804d85e3bbc718dc28dd00246645d3ac705c8d3c77cd02ad40010b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wrapping_arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "10066727804d85e3bbc718dc28dd00246645d3ac705c8d3c77cd02ad40010b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10066727804d85e3bbc718dc28dd00246645d3ac705c8d3c77cd02ad40010b3a", kill_on_drop: false }`
[INFO] [stdout] 10066727804d85e3bbc718dc28dd00246645d3ac705c8d3c77cd02ad40010b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 350cf35b9f85ea4d8bacb08f71453ea5d49c1686b8b451a2fce93dedf6a099b2
[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" "350cf35b9f85ea4d8bacb08f71453ea5d49c1686b8b451a2fce93dedf6a099b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrapping_arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> tests/test_wrapping_arithmetic.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         a * 2
[INFO] [stdout]    |         ^^^^^ attempt to compute `u32::MAX * 2_u32`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> tests/test_wrapping_arithmetic.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         a + 2
[INFO] [stdout]    |         ^^^^^ attempt to compute `u32::MAX + 2_u32`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> tests/test_wrapping_arithmetic.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         a *= 2;
[INFO] [stdout]    |         ^^^^^^ attempt to compute `u32::MAX * 2_u32`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]    --> tests/test_wrapping_arithmetic.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         a += 2;
[INFO] [stdout]     |         ^^^^^^ attempt to compute `u32::MAX + 2_u32`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrapping_arithmetic`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "350cf35b9f85ea4d8bacb08f71453ea5d49c1686b8b451a2fce93dedf6a099b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350cf35b9f85ea4d8bacb08f71453ea5d49c1686b8b451a2fce93dedf6a099b2", kill_on_drop: false }`
[INFO] [stdout] 350cf35b9f85ea4d8bacb08f71453ea5d49c1686b8b451a2fce93dedf6a099b2