[INFO] crate io_operations 0.2.0 is already in cache
[INFO] testing io_operations-0.2.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate io_operations 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate io_operations 0.2.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate io_operations 0.2.0
[INFO] finished tweaking crates.io crate io_operations 0.2.0
[INFO] tweaked toml for crates.io crate io_operations 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aaeb437933c999b4a7f4b9cdf5c39033e7ab04582bc917630cd9f0e04b66a32a
[INFO] running `"docker" "start" "-a" "aaeb437933c999b4a7f4b9cdf5c39033e7ab04582bc917630cd9f0e04b66a32a"`
[INFO] [stderr]    Compiling io_operations v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "aaeb437933c999b4a7f4b9cdf5c39033e7ab04582bc917630cd9f0e04b66a32a"`
[INFO] running `"docker" "rm" "-f" "aaeb437933c999b4a7f4b9cdf5c39033e7ab04582bc917630cd9f0e04b66a32a"`
[INFO] [stdout] aaeb437933c999b4a7f4b9cdf5c39033e7ab04582bc917630cd9f0e04b66a32a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 554c8d10a1a5c728889aeb34938e91dc3f954ea55dfefe9d4d9a84dbe3002514
[INFO] running `"docker" "start" "-a" "554c8d10a1a5c728889aeb34938e91dc3f954ea55dfefe9d4d9a84dbe3002514"`
[INFO] [stderr]    Compiling io_operations v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "554c8d10a1a5c728889aeb34938e91dc3f954ea55dfefe9d4d9a84dbe3002514"`
[INFO] running `"docker" "rm" "-f" "554c8d10a1a5c728889aeb34938e91dc3f954ea55dfefe9d4d9a84dbe3002514"`
[INFO] [stdout] 554c8d10a1a5c728889aeb34938e91dc3f954ea55dfefe9d4d9a84dbe3002514
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ea400c9967723379f1eb9b89569d55e90ac8ef2b9c3a15ecff74529dc760dae
[INFO] running `"docker" "start" "-a" "3ea400c9967723379f1eb9b89569d55e90ac8ef2b9c3a15ecff74529dc760dae"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io_operations-773ef8deb17a4bb9
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test reader::tests::test_read_empty_be_i32 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_be_i16 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_be_i64 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_be_u32 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_be_u64 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_i16 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_be_u16 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_i64 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_i8 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_i32 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_u16 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_u32 ... ok
[INFO] [stdout] test test::test_read_write_be_i64 ... ok
[INFO] [stdout] test test::test_read_write_be_i32 ... ok
[INFO] [stdout] test test::test_read_write_be_u64 ... ok
[INFO] [stdout] test test::test_read_write_le_i16 ... ok
[INFO] [stdout] test test::test_read_write_i8 ... ok
[INFO] [stdout] test test::test_read_write_be_u32 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_u8 ... ok
[INFO] [stdout] test reader::tests::test_read_empty_le_u64 ... ok
[INFO] [stdout] test test::test_read_write_be_i16 ... ok
[INFO] [stdout] test test::test_read_write_be_u16 ... ok
[INFO] [stdout] test test::test_read_write_le_i64 ... ok
[INFO] [stdout] test test::test_read_write_le_i32 ... ok
[INFO] [stdout] test test::test_read_write_le_u16 ... ok
[INFO] [stdout] test test::test_read_write_le_u64 ... ok
[INFO] [stdout] test test::test_read_write_le_u32 ... ok
[INFO] [stdout] test test::test_read_write_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_operations
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ea400c9967723379f1eb9b89569d55e90ac8ef2b9c3a15ecff74529dc760dae"`
[INFO] running `"docker" "rm" "-f" "3ea400c9967723379f1eb9b89569d55e90ac8ef2b9c3a15ecff74529dc760dae"`
[INFO] [stdout] 3ea400c9967723379f1eb9b89569d55e90ac8ef2b9c3a15ecff74529dc760dae