[INFO] fetching crate beef 0.4.4...
[INFO] testing beef-0.4.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate beef 0.4.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate beef 0.4.4 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 beef 0.4.4
[INFO] finished tweaking crates.io crate beef 0.4.4
[INFO] tweaked toml for crates.io crate beef 0.4.4 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e3e131679cbe53c7997ec3ce28a5dd0b73d8e0a92eaebe43a0eb104635bbd251
[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" "e3e131679cbe53c7997ec3ce28a5dd0b73d8e0a92eaebe43a0eb104635bbd251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e131679cbe53c7997ec3ce28a5dd0b73d8e0a92eaebe43a0eb104635bbd251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e131679cbe53c7997ec3ce28a5dd0b73d8e0a92eaebe43a0eb104635bbd251", kill_on_drop: false }`
[INFO] [stdout] e3e131679cbe53c7997ec3ce28a5dd0b73d8e0a92eaebe43a0eb104635bbd251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b2d74f1e30a90492897db594e95ad0213a908b5daf5df2eae6fd56081bd4ea9a
[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" "b2d74f1e30a90492897db594e95ad0213a908b5daf5df2eae6fd56081bd4ea9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "b2d74f1e30a90492897db594e95ad0213a908b5daf5df2eae6fd56081bd4ea9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d74f1e30a90492897db594e95ad0213a908b5daf5df2eae6fd56081bd4ea9a", kill_on_drop: false }`
[INFO] [stdout] b2d74f1e30a90492897db594e95ad0213a908b5daf5df2eae6fd56081bd4ea9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d76143e647bd6011f1dafb4b99cff7af639379f8ee9676e04249b1c78ac0fbab
[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" "d76143e647bd6011f1dafb4b99cff7af639379f8ee9676e04249b1c78ac0fbab", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "d76143e647bd6011f1dafb4b99cff7af639379f8ee9676e04249b1c78ac0fbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76143e647bd6011f1dafb4b99cff7af639379f8ee9676e04249b1c78ac0fbab", kill_on_drop: false }`
[INFO] [stdout] d76143e647bd6011f1dafb4b99cff7af639379f8ee9676e04249b1c78ac0fbab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e18c1b1120c8e8e1f39fdef8c79dd19fbf332f39bb5ae49efdba312d9daf3922
[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" "e18c1b1120c8e8e1f39fdef8c79dd19fbf332f39bb5ae49efdba312d9daf3922", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beef-86cc42c728652f42
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test_lean::into_owned_vec ... ok
[INFO] [stdout] test test_lean::const_fn_str ... ok
[INFO] [stdout] test test_lean::from_std_cow ... ok
[INFO] [stdout] test test_lean::default_str ... ok
[INFO] [stdout] test test_lean::borrowed_slice ... ok
[INFO] [stdout] test test_lean::borrowed_str ... ok
[INFO] [stdout] test test_lean::hash ... ok
[INFO] [stdout] test test_lean::ord_and_partial_ord ... ok
[INFO] [stdout] test test_lean::into_owned ... ok
[INFO] [stdout] test test_lean::owned_slice ... ok
[INFO] [stdout] test test_lean::owned_string ... ok
[INFO] [stdout] test test_lean::unwrap_borrowed ... ok
[INFO] [stdout] test test_wide::hash ... ok
[INFO] [stdout] test test_wide::borrowed_slice ... ok
[INFO] [stdout] test test_lean::default_slice ... ok
[INFO] [stdout] test test_wide::owned_slice ... ok
[INFO] [stdout] test test_wide::unwrap_borrowed ... ok
[INFO] [stdout] test test_wide::from_std_cow ... ok
[INFO] [stdout] test test_wide::borrowed_str ... ok
[INFO] [stdout] test test_wide::default_slice ... ok
[INFO] [stdout] test test_wide::const_fn_str ... ok
[INFO] [stdout] test test_wide::owned_string ... ok
[INFO] [stdout] test test_wide::default_str ... ok
[INFO] [stdout] test test_wide::into_owned ... ok
[INFO] [stdout] test test_lean::stress_test_owned ... ok
[INFO] [stdout] test test_wide::ord_and_partial_ord ... ok
[INFO] [stdout] test test_wide::into_owned_vec ... ok
[INFO] [stdout] test test_wide::stress_test_owned ... ok
[INFO] [stdout] test test_lean::unwrap_owned ... ok
[INFO] [stdout] test test_wide::unwrap_owned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests beef
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 201) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 175) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::borrowed (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::is_owned (line 139) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::owned (line 47) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::is_borrowed (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e18c1b1120c8e8e1f39fdef8c79dd19fbf332f39bb5ae49efdba312d9daf3922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18c1b1120c8e8e1f39fdef8c79dd19fbf332f39bb5ae49efdba312d9daf3922", kill_on_drop: false }`
[INFO] [stdout] e18c1b1120c8e8e1f39fdef8c79dd19fbf332f39bb5ae49efdba312d9daf3922