[INFO] fetching crate wrapping_arithmetic 0.1.0...
[INFO] testing wrapping_arithmetic-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate wrapping_arithmetic 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wrapping_arithmetic 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85343d430face5fd0ebd16d3cc90e9673bbf66950e70d0cd37d8c2e250d76381
[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" "85343d430face5fd0ebd16d3cc90e9673bbf66950e70d0cd37d8c2e250d76381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85343d430face5fd0ebd16d3cc90e9673bbf66950e70d0cd37d8c2e250d76381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85343d430face5fd0ebd16d3cc90e9673bbf66950e70d0cd37d8c2e250d76381", kill_on_drop: false }`
[INFO] [stdout] 85343d430face5fd0ebd16d3cc90e9673bbf66950e70d0cd37d8c2e250d76381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b92a0644bc4e1e676d9d8dce39f9d667651330bb98eaf51c794b92352438b5d8
[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" "b92a0644bc4e1e676d9d8dce39f9d667651330bb98eaf51c794b92352438b5d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wrapping_arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "b92a0644bc4e1e676d9d8dce39f9d667651330bb98eaf51c794b92352438b5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92a0644bc4e1e676d9d8dce39f9d667651330bb98eaf51c794b92352438b5d8", kill_on_drop: false }`
[INFO] [stdout] b92a0644bc4e1e676d9d8dce39f9d667651330bb98eaf51c794b92352438b5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53da637f734578a8d3cc1ded924687e9b8529905a0c9e0edc59c94dc93c08714
[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" "53da637f734578a8d3cc1ded924687e9b8529905a0c9e0edc59c94dc93c08714", 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 0.91s
[INFO] running `Command { std: "docker" "inspect" "53da637f734578a8d3cc1ded924687e9b8529905a0c9e0edc59c94dc93c08714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53da637f734578a8d3cc1ded924687e9b8529905a0c9e0edc59c94dc93c08714", kill_on_drop: false }`
[INFO] [stdout] 53da637f734578a8d3cc1ded924687e9b8529905a0c9e0edc59c94dc93c08714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdbe1e6c75676ebbf7a880227cff9cd0dc0e178de390302712194da7c62ae539
[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" "cdbe1e6c75676ebbf7a880227cff9cd0dc0e178de390302712194da7c62ae539", 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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrapping_arithmetic-5d6d26b54bcd5387
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_wrapping_arithmetic-df76a023b1c9540c
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_add_assign ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_mul_assign ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stdout] test test_sub_assign ... ok
[INFO] [stdout] test test_sub ... ok
[INFO] [stdout] test test_add_assign_panic ... ok
[INFO] [stdout] test test_add_panic ... ok
[INFO] [stdout] test test_mul_panic ... ok
[INFO] [stderr]    Doc-tests wrapping_arithmetic
[INFO] [stdout] test test_mul_assign_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdbe1e6c75676ebbf7a880227cff9cd0dc0e178de390302712194da7c62ae539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbe1e6c75676ebbf7a880227cff9cd0dc0e178de390302712194da7c62ae539", kill_on_drop: false }`
[INFO] [stdout] cdbe1e6c75676ebbf7a880227cff9cd0dc0e178de390302712194da7c62ae539
