[INFO] fetching crate cents 0.1.1...
[INFO] testing cents-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cents 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cents 0.1.1 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 cents 0.1.1
[INFO] finished tweaking crates.io crate cents 0.1.1
[INFO] tweaked toml for crates.io crate cents 0.1.1 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] 68b23f3648b5187239879f4f25260271184723a950a7d005d3d1026a4e31bedb
[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" "68b23f3648b5187239879f4f25260271184723a950a7d005d3d1026a4e31bedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b23f3648b5187239879f4f25260271184723a950a7d005d3d1026a4e31bedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b23f3648b5187239879f4f25260271184723a950a7d005d3d1026a4e31bedb", kill_on_drop: false }`
[INFO] [stdout] 68b23f3648b5187239879f4f25260271184723a950a7d005d3d1026a4e31bedb
[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] [stdout] 28f23943911f8124671b0ee1b2606f05b243b6d3682efe9027abb4ebcb2bd72f
[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" "28f23943911f8124671b0ee1b2606f05b243b6d3682efe9027abb4ebcb2bd72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling cents v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "28f23943911f8124671b0ee1b2606f05b243b6d3682efe9027abb4ebcb2bd72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f23943911f8124671b0ee1b2606f05b243b6d3682efe9027abb4ebcb2bd72f", kill_on_drop: false }`
[INFO] [stdout] 28f23943911f8124671b0ee1b2606f05b243b6d3682efe9027abb4ebcb2bd72f
[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] 94c00e3958f74e7f7880ec4708e940585deead41331b3b04368dab9d8764a7af
[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" "94c00e3958f74e7f7880ec4708e940585deead41331b3b04368dab9d8764a7af", kill_on_drop: false }`
[INFO] [stderr]    Compiling cents v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "94c00e3958f74e7f7880ec4708e940585deead41331b3b04368dab9d8764a7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c00e3958f74e7f7880ec4708e940585deead41331b3b04368dab9d8764a7af", kill_on_drop: false }`
[INFO] [stdout] 94c00e3958f74e7f7880ec4708e940585deead41331b3b04368dab9d8764a7af
[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] b2bee5a6ae01a189753194a15cb52583bd9a906774cf1d37efcc960266fc691f
[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" "b2bee5a6ae01a189753194a15cb52583bd9a906774cf1d37efcc960266fc691f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cents-602ffd94ca4dc183)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_add_to_u64 ... ok
[INFO] [stdout] test test::test_compare_to_u64 ... ok
[INFO] [stdout] test test::test_to_big_int ... ok
[INFO] [stdout] test test::test_add_two_cents ... ok
[INFO] [stdout] test test::test_from_big_int ... ok
[INFO] [stderr]    Doc-tests cents
[INFO] [stdout] test test::test_one_cent_should_equal_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "b2bee5a6ae01a189753194a15cb52583bd9a906774cf1d37efcc960266fc691f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bee5a6ae01a189753194a15cb52583bd9a906774cf1d37efcc960266fc691f", kill_on_drop: false }`
[INFO] [stdout] b2bee5a6ae01a189753194a15cb52583bd9a906774cf1d37efcc960266fc691f