[INFO] fetching crate redshirt 0.1.3...
[INFO] testing redshirt-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate redshirt 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate redshirt 0.1.3 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 redshirt 0.1.3
[INFO] finished tweaking crates.io crate redshirt 0.1.3
[INFO] tweaked toml for crates.io crate redshirt 0.1.3 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] da27e47a97b273aaaadd0b9c0dfea27ca4cbb17057bc71980dd3f31ef82b3158
[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" "da27e47a97b273aaaadd0b9c0dfea27ca4cbb17057bc71980dd3f31ef82b3158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da27e47a97b273aaaadd0b9c0dfea27ca4cbb17057bc71980dd3f31ef82b3158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da27e47a97b273aaaadd0b9c0dfea27ca4cbb17057bc71980dd3f31ef82b3158", kill_on_drop: false }`
[INFO] [stdout] da27e47a97b273aaaadd0b9c0dfea27ca4cbb17057bc71980dd3f31ef82b3158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 010683ea7d43bbc3ce4fc470501e768a8977e206e73a7d3a5ecd463a0e028b8b
[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" "010683ea7d43bbc3ce4fc470501e768a8977e206e73a7d3a5ecd463a0e028b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling redshirt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "010683ea7d43bbc3ce4fc470501e768a8977e206e73a7d3a5ecd463a0e028b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010683ea7d43bbc3ce4fc470501e768a8977e206e73a7d3a5ecd463a0e028b8b", kill_on_drop: false }`
[INFO] [stdout] 010683ea7d43bbc3ce4fc470501e768a8977e206e73a7d3a5ecd463a0e028b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 25c7189f43005cd492d4f62b6d9a144ab33acbbe8745d70f92228c1fa3a6bedd
[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" "25c7189f43005cd492d4f62b6d9a144ab33acbbe8745d70f92228c1fa3a6bedd", kill_on_drop: false }`
[INFO] [stderr]    Compiling redshirt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "25c7189f43005cd492d4f62b6d9a144ab33acbbe8745d70f92228c1fa3a6bedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c7189f43005cd492d4f62b6d9a144ab33acbbe8745d70f92228c1fa3a6bedd", kill_on_drop: false }`
[INFO] [stdout] 25c7189f43005cd492d4f62b6d9a144ab33acbbe8745d70f92228c1fa3a6bedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 69672158711d2572e9a831fae6ca23ba9fe80e2a84693859743890454e40245a
[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" "69672158711d2572e9a831fae6ca23ba9fe80e2a84693859743890454e40245a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/redshirt-ec9e01eefd427dc6
[INFO] [stdout] test v1::tests::reader_read ... ok
[INFO] [stdout] test v1::tests::reader_seek_current ... ok
[INFO] [stdout] test v1::tests::reader_seek_end ... ok
[INFO] [stdout] test v1::tests::writer_seek_current ... ok
[INFO] [stdout] test v1::tests::writer_seek_end ... ok
[INFO] [stdout] test v1::tests::writer_seek_start ... ok
[INFO] [stdout] test v1::tests::reader_seek_start ... ok
[INFO] [stdout] test v2::tests::reader_seek_current ... ok
[INFO] [stdout] test v2::tests::reader_read ... ok
[INFO] [stdout] test v2::tests::reader_seek_end ... ok
[INFO] [stdout] test v2::tests::reader_seek_start ... ok
[INFO] [stdout] test v1::tests::writer_write ... ok
[INFO] [stdout] test v2::tests::writer_write ... ok
[INFO] [stdout] test v1::tests::reader_seek_negative_overflow ... ok
[INFO] [stderr]    Doc-tests redshirt
[INFO] [stdout] test v1::tests::reader_seek_positive_overflow ... ok
[INFO] [stdout] test v1::tests::writer_seek_negative_overflow ... ok
[INFO] [stdout] test v1::tests::writer_seek_positive_overflow ... ok
[INFO] [stdout] test v2::tests::reader_seek_negative_overflow ... ok
[INFO] [stdout] test v2::tests::reader_seek_positive_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/v1.rs - v1::Reader<R>::new (line 38) ... ok
[INFO] [stdout] test src/v1.rs - v1::Writer<W>::new (line 100) ... ok
[INFO] [stdout] test src/v2.rs - v2::Reader<R>::new (line 52) ... ok
[INFO] [stdout] test src/v2.rs - v2::Writer<W>::into_inner (line 174) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/v2.rs - v2::Writer<W>::new (line 143) ... ok
[INFO] [stdout] test src/v1.rs - v1::Writer<W>::into_inner (line 117) ... ok
[INFO] [stdout] test src/v1.rs - v1::Reader<R>::into_inner (line 63) ... ok
[INFO] [stdout] test src/v2.rs - v2::Reader<R>::into_inner (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69672158711d2572e9a831fae6ca23ba9fe80e2a84693859743890454e40245a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69672158711d2572e9a831fae6ca23ba9fe80e2a84693859743890454e40245a", kill_on_drop: false }`
[INFO] [stdout] 69672158711d2572e9a831fae6ca23ba9fe80e2a84693859743890454e40245a