[INFO] fetching crate barc 2.0.0...
[INFO] testing barc-2.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate barc 2.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate barc 2.0.0 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 barc 2.0.0
[INFO] finished tweaking crates.io crate barc 2.0.0
[INFO] tweaked toml for crates.io crate barc 2.0.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] b8b6f32266817e9404cb07ba7eacca3328def5627ccc10714949b70fd800d19f
[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" "b8b6f32266817e9404cb07ba7eacca3328def5627ccc10714949b70fd800d19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b6f32266817e9404cb07ba7eacca3328def5627ccc10714949b70fd800d19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b6f32266817e9404cb07ba7eacca3328def5627ccc10714949b70fd800d19f", kill_on_drop: false }`
[INFO] [stdout] b8b6f32266817e9404cb07ba7eacca3328def5627ccc10714949b70fd800d19f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fba2eee36627abc5482173c3a08b1b8276cd256c624e59439b885990ecefec62
[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" "fba2eee36627abc5482173c3a08b1b8276cd256c624e59439b885990ecefec62", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling olio v1.3.0
[INFO] [stderr]    Compiling tao-log v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling body-image v2.0.0
[INFO] [stderr]    Compiling barc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling http v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.64s
[INFO] running `Command { std: "docker" "inspect" "fba2eee36627abc5482173c3a08b1b8276cd256c624e59439b885990ecefec62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba2eee36627abc5482173c3a08b1b8276cd256c624e59439b885990ecefec62", kill_on_drop: false }`
[INFO] [stdout] fba2eee36627abc5482173c3a08b1b8276cd256c624e59439b885990ecefec62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d2e3b1a0a2ba8db2d0eb82e6e9b316e5a067387c20ef9403832cb7e0c4cb3788
[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" "d2e3b1a0a2ba8db2d0eb82e6e9b316e5a067387c20ef9403832cb7e0c4cb3788", kill_on_drop: false }`
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling barc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "d2e3b1a0a2ba8db2d0eb82e6e9b316e5a067387c20ef9403832cb7e0c4cb3788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e3b1a0a2ba8db2d0eb82e6e9b316e5a067387c20ef9403832cb7e0c4cb3788", kill_on_drop: false }`
[INFO] [stdout] d2e3b1a0a2ba8db2d0eb82e6e9b316e5a067387c20ef9403832cb7e0c4cb3788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 79df43e40d8930efbf10a62dfa2476590d03767e15c05ec9d525d5dcb3ad4aba
[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" "79df43e40d8930efbf10a62dfa2476590d03767e15c05ec9d525d5dcb3ad4aba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/barc-7cf96abaca236a52
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test barc_tests::test_barc_error_sizes ... ok
[INFO] [stdout] test barc_tests::test_read_short_record_head ... ok
[INFO] [stdout] test barc_tests::test_read_over_reserved ... ok
[INFO] [stdout] test barc_tests::test_read_bad_record_head ... ok
[INFO] [stdout] test barc_tests::test_write_read_empty_record ... ok
[INFO] [stdout] test barc_tests::test_barc_error_as_flaw ... ok
[INFO] [stdout] test barc_tests::test_read_empty_file ... ok
[INFO] [stdout] test barc_tests::test_read_sample_larger ... ok
[INFO] [stdout] test barc_tests::test_read_sample_mapped ... ok
[INFO] [stdout] test barc_tests::test_write_read_empty_record_brotli ... ok
[INFO] [stdout] test compress::tests::test_compressible_types ... ok
[INFO] [stdout] test logger::tests::log_setup ... ok
[INFO] [stdout] test barc_tests::test_write_read_empty_record_gzip ... ok
[INFO] [stdout] test compress::tests::test_not_compressible_types ... ok
[INFO] [stdout] test barc_tests::test_read_truncated ... ok
[INFO] [stdout] test barc_tests::test_read_204_no_body ... ok
[INFO] [stdout] test barc_tests::test_write_read_large ... ok
[INFO] [stdout] test barc_tests::test_record_convert_dialog_204 ... ok
[INFO] [stdout] test barc_tests::test_read_sample ... ok
[INFO] [stdout] test barc_tests::test_record_convert_dialog ... ok
[INFO] [stdout] test barc_tests::test_write_read_parallel ... ok
[INFO] [stdout] test barc_tests::test_write_read_small ... ok
[INFO] [stdout] test barc_tests::test_write_read_small_brotli ... ok
[INFO] [stdout] test barc_tests::test_write_read_small_gzip ... ok
[INFO] [stdout] test barc_tests::test_write_read_large_brotli ... ok
[INFO] [stdout] test barc_tests::test_write_read_large_gzip ... ok
[INFO] [stdout] test barc_tests::test_write_read_large_gzip_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79df43e40d8930efbf10a62dfa2476590d03767e15c05ec9d525d5dcb3ad4aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79df43e40d8930efbf10a62dfa2476590d03767e15c05ec9d525d5dcb3ad4aba", kill_on_drop: false }`
[INFO] [stdout] 79df43e40d8930efbf10a62dfa2476590d03767e15c05ec9d525d5dcb3ad4aba