[INFO] fetching crate wrapping_arithmetic 0.1.0...
[INFO] testing wrapping_arithmetic-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wrapping_arithmetic 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wrapping_arithmetic 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17590d89018d52ad583c0806b8e3ee516fe4d41eac488c2594e29d10d23ea724
[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" "17590d89018d52ad583c0806b8e3ee516fe4d41eac488c2594e29d10d23ea724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17590d89018d52ad583c0806b8e3ee516fe4d41eac488c2594e29d10d23ea724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17590d89018d52ad583c0806b8e3ee516fe4d41eac488c2594e29d10d23ea724", kill_on_drop: false }`
[INFO] [stdout] 17590d89018d52ad583c0806b8e3ee516fe4d41eac488c2594e29d10d23ea724
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] b7a86075de0f63c442556fee29e103f57d1b2104165fcf6166764bf55cd29403
[INFO] running `Command { std: "docker" "start" "-a" "b7a86075de0f63c442556fee29e103f57d1b2104165fcf6166764bf55cd29403", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling wrapping_arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.83s
[INFO] running `Command { std: "docker" "inspect" "b7a86075de0f63c442556fee29e103f57d1b2104165fcf6166764bf55cd29403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a86075de0f63c442556fee29e103f57d1b2104165fcf6166764bf55cd29403", kill_on_drop: false }`
[INFO] [stdout] b7a86075de0f63c442556fee29e103f57d1b2104165fcf6166764bf55cd29403
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b676f0fe9b67b7c83aba26d4a4e55989593fd321250ef70e9a979f9714bd373
[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" "7b676f0fe9b67b7c83aba26d4a4e55989593fd321250ef70e9a979f9714bd373", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrapping_arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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] warning: 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] warning: 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] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "7b676f0fe9b67b7c83aba26d4a4e55989593fd321250ef70e9a979f9714bd373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b676f0fe9b67b7c83aba26d4a4e55989593fd321250ef70e9a979f9714bd373", kill_on_drop: false }`
[INFO] [stdout] 7b676f0fe9b67b7c83aba26d4a4e55989593fd321250ef70e9a979f9714bd373
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 965eb2d7ad8a1727dda9e65e883e691a1d5d7b310df9a7c48715e5c6790d05a6
[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" "965eb2d7ad8a1727dda9e65e883e691a1d5d7b310df9a7c48715e5c6790d05a6", kill_on_drop: false }`
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> tests/test_wrapping_arithmetic.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         a * 2
[INFO] [stderr]    |         ^^^^^ attempt to compute `u32::MAX * 2_u32`, which would overflow
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> tests/test_wrapping_arithmetic.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         a + 2
[INFO] [stderr]    |         ^^^^^ attempt to compute `u32::MAX + 2_u32`, which would overflow
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> tests/test_wrapping_arithmetic.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         a *= 2;
[INFO] [stderr]    |         ^^^^^^ attempt to compute `u32::MAX * 2_u32`, which would overflow
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]    --> tests/test_wrapping_arithmetic.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         a += 2;
[INFO] [stderr]     |         ^^^^^^ attempt to compute `u32::MAX + 2_u32`, which would overflow
[INFO] [stderr] 
[INFO] [stderr] warning: `wrapping_arithmetic` (test "test_wrapping_arithmetic") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wrapping_arithmetic-d30903d2638142e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_wrapping_arithmetic.rs (/opt/rustwide/target/debug/deps/test_wrapping_arithmetic-48203b188aa248c2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_sub_assign ... ok
[INFO] [stdout] test test_mul_assign ... ok
[INFO] [stdout] test test_add_assign ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_sub ... ok
[INFO] [stdout] test test_add_assign_panic - should panic ... ok
[INFO] [stdout] test test_mul_panic - should panic ... ok
[INFO] [stdout] test test_mul_assign_panic - should panic ... ok
[INFO] [stdout] test test_add_panic - should panic ... ok
[INFO] [stderr]    Doc-tests wrapping_arithmetic
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/wrapping.rs - wrappit (line 117) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "965eb2d7ad8a1727dda9e65e883e691a1d5d7b310df9a7c48715e5c6790d05a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965eb2d7ad8a1727dda9e65e883e691a1d5d7b310df9a7c48715e5c6790d05a6", kill_on_drop: false }`
[INFO] [stdout] 965eb2d7ad8a1727dda9e65e883e691a1d5d7b310df9a7c48715e5c6790d05a6