[INFO] fetching crate beef 0.4.4...
[INFO] testing beef-0.4.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate beef 0.4.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate beef 0.4.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e9878f88d887ae0e65ccf1701c0d9cbe85d9ff76ccb1c80c9ac051ac7c08d8d
[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" "5e9878f88d887ae0e65ccf1701c0d9cbe85d9ff76ccb1c80c9ac051ac7c08d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9878f88d887ae0e65ccf1701c0d9cbe85d9ff76ccb1c80c9ac051ac7c08d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9878f88d887ae0e65ccf1701c0d9cbe85d9ff76ccb1c80c9ac051ac7c08d8d", kill_on_drop: false }`
[INFO] [stdout] 5e9878f88d887ae0e65ccf1701c0d9cbe85d9ff76ccb1c80c9ac051ac7c08d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d2bf3e931c49b522c83dab48d6fe7eb96aa459f343fccd8ad3142b46ae155fa
[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" "3d2bf3e931c49b522c83dab48d6fe7eb96aa459f343fccd8ad3142b46ae155fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3d2bf3e931c49b522c83dab48d6fe7eb96aa459f343fccd8ad3142b46ae155fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2bf3e931c49b522c83dab48d6fe7eb96aa459f343fccd8ad3142b46ae155fa", kill_on_drop: false }`
[INFO] [stdout] 3d2bf3e931c49b522c83dab48d6fe7eb96aa459f343fccd8ad3142b46ae155fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] b49828f8506de2ba105c78529a0e1c571d35db53fd5e9367a34cadfc41cf4e7f
[INFO] running `Command { std: "docker" "start" "-a" "b49828f8506de2ba105c78529a0e1c571d35db53fd5e9367a34cadfc41cf4e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.82s
[INFO] running `Command { std: "docker" "inspect" "b49828f8506de2ba105c78529a0e1c571d35db53fd5e9367a34cadfc41cf4e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49828f8506de2ba105c78529a0e1c571d35db53fd5e9367a34cadfc41cf4e7f", kill_on_drop: false }`
[INFO] [stdout] b49828f8506de2ba105c78529a0e1c571d35db53fd5e9367a34cadfc41cf4e7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen", 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] 6dcce5e2b33b3fc8a600959951c18409ae048c0662c4f440fb4d3f037868321c
[INFO] running `Command { std: "docker" "start" "-a" "6dcce5e2b33b3fc8a600959951c18409ae048c0662c4f440fb4d3f037868321c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beef-f973dd02bb94b9fc
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test_lean::borrowed_str ... ok
[INFO] [stdout] test test_lean::borrowed_slice ... ok
[INFO] [stdout] test test_lean::const_fn_str ... ok
[INFO] [stdout] test test_lean::default_slice ... ok
[INFO] [stdout] test test_lean::default_str ... ok
[INFO] [stdout] test test_lean::hash ... ok
[INFO] [stdout] test test_lean::into_owned ... ok
[INFO] [stdout] test test_lean::from_std_cow ... ok
[INFO] [stdout] test test_lean::into_owned_vec ... ok
[INFO] [stdout] test test_lean::ord_and_partial_ord ... 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::const_fn_str ... ok
[INFO] [stdout] test test_wide::default_slice ... ok
[INFO] [stdout] test test_wide::borrowed_slice ... ok
[INFO] [stdout] test test_wide::borrowed_str ... ok
[INFO] [stdout] test test_wide::into_owned_vec ... ok
[INFO] [stdout] test test_wide::hash ... ok
[INFO] [stdout] test test_wide::default_str ... ok
[INFO] [stdout] test test_wide::from_std_cow ... ok
[INFO] [stdout] test test_wide::into_owned ... ok
[INFO] [stdout] test test_wide::owned_slice ... ok
[INFO] [stdout] test test_wide::owned_string ... ok
[INFO] [stdout] test test_wide::unwrap_borrowed ... 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::stress_test_owned ... ok
[INFO] [stderr]    Doc-tests beef
[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; finished in 0.14s
[INFO] [stdout] 
[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::borrowed (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::owned (line 47) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 175) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::is_owned (line 139) ... 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; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dcce5e2b33b3fc8a600959951c18409ae048c0662c4f440fb4d3f037868321c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcce5e2b33b3fc8a600959951c18409ae048c0662c4f440fb4d3f037868321c", kill_on_drop: false }`
[INFO] [stdout] 6dcce5e2b33b3fc8a600959951c18409ae048c0662c4f440fb4d3f037868321c