[INFO] fetching crate libc-print 0.1.17...
[INFO] testing libc-print-0.1.17 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate libc-print 0.1.17 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libc-print 0.1.17 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 libc-print 0.1.17
[INFO] finished tweaking crates.io crate libc-print 0.1.17
[INFO] tweaked toml for crates.io crate libc-print 0.1.17 written to /workspace/builds/worker-4/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-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" "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] [stdout] 89acc52757d1fbf4f56811806ed6f7b6a00bf5e054a5c7d0d55e10e01647bbda
[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" "89acc52757d1fbf4f56811806ed6f7b6a00bf5e054a5c7d0d55e10e01647bbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89acc52757d1fbf4f56811806ed6f7b6a00bf5e054a5c7d0d55e10e01647bbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89acc52757d1fbf4f56811806ed6f7b6a00bf5e054a5c7d0d55e10e01647bbda", kill_on_drop: false }`
[INFO] [stdout] 89acc52757d1fbf4f56811806ed6f7b6a00bf5e054a5c7d0d55e10e01647bbda
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 745123e1338beaf05427e78c4269e6aaba00cd9fc93d6a3d7fe6cb048bfda1ae
[INFO] running `Command { std: "docker" "start" "-a" "745123e1338beaf05427e78c4269e6aaba00cd9fc93d6a3d7fe6cb048bfda1ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-print v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "745123e1338beaf05427e78c4269e6aaba00cd9fc93d6a3d7fe6cb048bfda1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745123e1338beaf05427e78c4269e6aaba00cd9fc93d6a3d7fe6cb048bfda1ae", kill_on_drop: false }`
[INFO] [stdout] 745123e1338beaf05427e78c4269e6aaba00cd9fc93d6a3d7fe6cb048bfda1ae
[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" "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] c284bdf2dbf8cb8404f02418b6173bbf3831ca22e623d04d3c97477f2b2dcf0a
[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" "c284bdf2dbf8cb8404f02418b6173bbf3831ca22e623d04d3c97477f2b2dcf0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-print v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "c284bdf2dbf8cb8404f02418b6173bbf3831ca22e623d04d3c97477f2b2dcf0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c284bdf2dbf8cb8404f02418b6173bbf3831ca22e623d04d3c97477f2b2dcf0a", kill_on_drop: false }`
[INFO] [stdout] c284bdf2dbf8cb8404f02418b6173bbf3831ca22e623d04d3c97477f2b2dcf0a
[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" "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] 4151bf71abc7d876f496c02ca884493b383b61f0ae449da2526933b8d545218c
[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" "4151bf71abc7d876f496c02ca884493b383b61f0ae449da2526933b8d545218c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libc_print-151859f06422b0f1)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] stderr fd = 2
[INFO] [stdout] stdout fd = 1
[INFO] [stdout] test std_name::tests_std_name::test_stderr ... ok
[INFO] [stdout] test tests::test_stderr ... ok
[INFO] [stdout] test std_name::tests_std_name::test_stdout ... ok
[INFO] [stdout] stdout fd = 1
[INFO] [stdout] stdout!
[INFO] [stdout] test tests::test_stderr_write ... ok
[INFO] [stdout] test tests::test_stdout ... ok
[INFO] [stdout] test tests::test_stdout_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] stderr fd = 2
[INFO] [stderr] stderr!
[INFO] [stderr]    Doc-tests libc_print
[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" "4151bf71abc7d876f496c02ca884493b383b61f0ae449da2526933b8d545218c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4151bf71abc7d876f496c02ca884493b383b61f0ae449da2526933b8d545218c", kill_on_drop: false }`
[INFO] [stdout] 4151bf71abc7d876f496c02ca884493b383b61f0ae449da2526933b8d545218c