[INFO] fetching crate closest-sum-pair 0.3.0...
[INFO] testing closest-sum-pair-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate closest-sum-pair 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate closest-sum-pair 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closest-sum-pair 0.3.0
[INFO] finished tweaking crates.io crate closest-sum-pair 0.3.0
[INFO] tweaked toml for crates.io crate closest-sum-pair 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 40bc07fab5dad6f9ac11b97cb764a36391e1b3ac9153faddb52dc08e67550dfc
[INFO] running `Command { std: "docker" "start" "-a" "40bc07fab5dad6f9ac11b97cb764a36391e1b3ac9153faddb52dc08e67550dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40bc07fab5dad6f9ac11b97cb764a36391e1b3ac9153faddb52dc08e67550dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bc07fab5dad6f9ac11b97cb764a36391e1b3ac9153faddb52dc08e67550dfc", kill_on_drop: false }`
[INFO] [stdout] 40bc07fab5dad6f9ac11b97cb764a36391e1b3ac9153faddb52dc08e67550dfc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c6c7608b41558dbc55bbc7a4182878be87086e4a12bd0654830dca7bddbbfc
[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" "08c6c7608b41558dbc55bbc7a4182878be87086e4a12bd0654830dca7bddbbfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "08c6c7608b41558dbc55bbc7a4182878be87086e4a12bd0654830dca7bddbbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c6c7608b41558dbc55bbc7a4182878be87086e4a12bd0654830dca7bddbbfc", kill_on_drop: false }`
[INFO] [stdout] 08c6c7608b41558dbc55bbc7a4182878be87086e4a12bd0654830dca7bddbbfc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbd9103bbbfbaad643cc7f689bf2a52481f17cc459441783d327f797ca7f81e
[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" "acbd9103bbbfbaad643cc7f689bf2a52481f17cc459441783d327f797ca7f81e", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "acbd9103bbbfbaad643cc7f689bf2a52481f17cc459441783d327f797ca7f81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbd9103bbbfbaad643cc7f689bf2a52481f17cc459441783d327f797ca7f81e", kill_on_drop: false }`
[INFO] [stdout] acbd9103bbbfbaad643cc7f689bf2a52481f17cc459441783d327f797ca7f81e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86713c3226b170a6f70332b8a420e8e8c55d86a500f55db314eb8dd2df2076a4
[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" "86713c3226b170a6f70332b8a420e8e8c55d86a500f55db314eb8dd2df2076a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closest_sum_pair-ec8a128e6cd3e0b8)
[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/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-02132c50ef0db8e7)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::mixed_lower ... ok
[INFO] [stdout] test tests::mixed_middle ... ok
[INFO] [stdout] test tests::mixed_upper ... ok
[INFO] [stdout] test tests::negative_lower ... ok
[INFO] [stdout] test tests::negative_middle ... ok
[INFO] [stdout] test tests::negative_upper ... ok
[INFO] [stdout] test tests::positive_lower ... ok
[INFO] [stdout] test tests::positive_middle ... ok
[INFO] [stdout] test tests::positive_upper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests closest-sum-pair
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::Elements::find_pair (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86713c3226b170a6f70332b8a420e8e8c55d86a500f55db314eb8dd2df2076a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86713c3226b170a6f70332b8a420e8e8c55d86a500f55db314eb8dd2df2076a4", kill_on_drop: false }`
[INFO] [stdout] 86713c3226b170a6f70332b8a420e8e8c55d86a500f55db314eb8dd2df2076a4