[INFO] fetching crate checked_ops 0.1.0...
[INFO] testing checked_ops-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate checked_ops 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate checked_ops 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checked_ops 0.1.0
[INFO] finished tweaking crates.io crate checked_ops 0.1.0
[INFO] tweaked toml for crates.io crate checked_ops 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dedbc49e63e1add560a10528383394f5c5d2d4a92060f2a525365726e04ece7d
[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" "dedbc49e63e1add560a10528383394f5c5d2d4a92060f2a525365726e04ece7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dedbc49e63e1add560a10528383394f5c5d2d4a92060f2a525365726e04ece7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedbc49e63e1add560a10528383394f5c5d2d4a92060f2a525365726e04ece7d", kill_on_drop: false }`
[INFO] [stdout] dedbc49e63e1add560a10528383394f5c5d2d4a92060f2a525365726e04ece7d
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0b2b0df64dccb25df4813d8e649d08e089dd090bf6616eea9513ebf23e0aaa
[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" "0a0b2b0df64dccb25df4813d8e649d08e089dd090bf6616eea9513ebf23e0aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "0a0b2b0df64dccb25df4813d8e649d08e089dd090bf6616eea9513ebf23e0aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0b2b0df64dccb25df4813d8e649d08e089dd090bf6616eea9513ebf23e0aaa", kill_on_drop: false }`
[INFO] [stdout] 0a0b2b0df64dccb25df4813d8e649d08e089dd090bf6616eea9513ebf23e0aaa
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc7ed16ddae7d4f2b45de1a1ff604bd82f3134e231d3ecb09a01d2891e29363
[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" "6bc7ed16ddae7d4f2b45de1a1ff604bd82f3134e231d3ecb09a01d2891e29363", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "6bc7ed16ddae7d4f2b45de1a1ff604bd82f3134e231d3ecb09a01d2891e29363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc7ed16ddae7d4f2b45de1a1ff604bd82f3134e231d3ecb09a01d2891e29363", kill_on_drop: false }`
[INFO] [stdout] 6bc7ed16ddae7d4f2b45de1a1ff604bd82f3134e231d3ecb09a01d2891e29363
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] bdea9646d08028c013e29ce607c6b4b80d9d5987eb457368cad0f42b08462931
[INFO] running `Command { std: "docker" "start" "-a" "bdea9646d08028c013e29ce607c6b4b80d9d5987eb457368cad0f42b08462931", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checked_ops-7316ea0070de49ee
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::associativity ... ok
[INFO] [stdout] test tests::precedence ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::div0 ... ok
[INFO] [stdout] test tests::variables ... ok
[INFO] [stdout] test tests::casts ... ok
[INFO] [stdout] test tests::overflow ... ok
[INFO] [stdout] test tests::parentheses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests checked_ops
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - checked_ops (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdea9646d08028c013e29ce607c6b4b80d9d5987eb457368cad0f42b08462931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdea9646d08028c013e29ce607c6b4b80d9d5987eb457368cad0f42b08462931", kill_on_drop: false }`
[INFO] [stdout] bdea9646d08028c013e29ce607c6b4b80d9d5987eb457368cad0f42b08462931