[INFO] fetching crate wrapping_arithmetic 0.1.0...
[INFO] testing wrapping_arithmetic-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate wrapping_arithmetic 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wrapping_arithmetic 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9195953d21388bb68fe5a6431665d57844333c4daee85e790cd5c86db5dffe9d
[INFO] running `Command { std: "docker" "start" "-a" "9195953d21388bb68fe5a6431665d57844333c4daee85e790cd5c86db5dffe9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9195953d21388bb68fe5a6431665d57844333c4daee85e790cd5c86db5dffe9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9195953d21388bb68fe5a6431665d57844333c4daee85e790cd5c86db5dffe9d", kill_on_drop: false }`
[INFO] [stdout] 9195953d21388bb68fe5a6431665d57844333c4daee85e790cd5c86db5dffe9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0eb7379ec72780afd3e879e5b8b8e85eb6376b89576d7fa8db0e2317a091b6
[INFO] running `Command { std: "docker" "start" "-a" "ea0eb7379ec72780afd3e879e5b8b8e85eb6376b89576d7fa8db0e2317a091b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[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 9.82s
[INFO] running `Command { std: "docker" "inspect" "ea0eb7379ec72780afd3e879e5b8b8e85eb6376b89576d7fa8db0e2317a091b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0eb7379ec72780afd3e879e5b8b8e85eb6376b89576d7fa8db0e2317a091b6", kill_on_drop: false }`
[INFO] [stdout] ea0eb7379ec72780afd3e879e5b8b8e85eb6376b89576d7fa8db0e2317a091b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3767900fe1911e224caea26156058d9eec333d1ca13ba451536706a3f194ff6
[INFO] running `Command { std: "docker" "start" "-a" "b3767900fe1911e224caea26156058d9eec333d1ca13ba451536706a3f194ff6", 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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b3767900fe1911e224caea26156058d9eec333d1ca13ba451536706a3f194ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3767900fe1911e224caea26156058d9eec333d1ca13ba451536706a3f194ff6", kill_on_drop: false }`
[INFO] [stdout] b3767900fe1911e224caea26156058d9eec333d1ca13ba451536706a3f194ff6