[INFO] fetching crate kahan 0.1.4...
[INFO] testing kahan-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kahan 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kahan 0.1.4 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 kahan 0.1.4
[INFO] finished tweaking crates.io crate kahan 0.1.4
[INFO] tweaked toml for crates.io crate kahan 0.1.4 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a4a5e206132bbd79fb9ed280e84a1d5b96373a6f022960b3023d6b1ddf141abb
[INFO] running `Command { std: "docker" "start" "-a" "a4a5e206132bbd79fb9ed280e84a1d5b96373a6f022960b3023d6b1ddf141abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a5e206132bbd79fb9ed280e84a1d5b96373a6f022960b3023d6b1ddf141abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a5e206132bbd79fb9ed280e84a1d5b96373a6f022960b3023d6b1ddf141abb", kill_on_drop: false }`
[INFO] [stdout] a4a5e206132bbd79fb9ed280e84a1d5b96373a6f022960b3023d6b1ddf141abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a15dc71e811c580f025c9eac898f4eaf6baf8d464896890bab6ef4394260ad
[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" "57a15dc71e811c580f025c9eac898f4eaf6baf8d464896890bab6ef4394260ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "57a15dc71e811c580f025c9eac898f4eaf6baf8d464896890bab6ef4394260ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a15dc71e811c580f025c9eac898f4eaf6baf8d464896890bab6ef4394260ad", kill_on_drop: false }`
[INFO] [stdout] 57a15dc71e811c580f025c9eac898f4eaf6baf8d464896890bab6ef4394260ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf6c6cb52404eb5c80c0fe96a3f265e97d88ef766a1c88a5a788531bdd04d1e
[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" "faf6c6cb52404eb5c80c0fe96a3f265e97d88ef766a1c88a5a788531bdd04d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "faf6c6cb52404eb5c80c0fe96a3f265e97d88ef766a1c88a5a788531bdd04d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf6c6cb52404eb5c80c0fe96a3f265e97d88ef766a1c88a5a788531bdd04d1e", kill_on_drop: false }`
[INFO] [stdout] faf6c6cb52404eb5c80c0fe96a3f265e97d88ef766a1c88a5a788531bdd04d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a174fc3d75d0f42f5bccc295a1f1b184e11b69a14a77159d8304c6bb6c17f04
[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" "5a174fc3d75d0f42f5bccc295a1f1b184e11b69a14a77159d8304c6bb6c17f04", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kahan-2010b81ac5f4ad26
[INFO] [stdout] test tests::associativity_holds ... ok
[INFO] [stderr]    Doc-tests kahan
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - KahanSum<T> (line 32) ... ok
[INFO] [stdout] test src/lib.rs - KahanSummator::kahan_sum (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a174fc3d75d0f42f5bccc295a1f1b184e11b69a14a77159d8304c6bb6c17f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a174fc3d75d0f42f5bccc295a1f1b184e11b69a14a77159d8304c6bb6c17f04", kill_on_drop: false }`
[INFO] [stdout] 5a174fc3d75d0f42f5bccc295a1f1b184e11b69a14a77159d8304c6bb6c17f04