[INFO] crate beef 0.4.4 is already in cache
[INFO] testing beef-0.4.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate beef 0.4.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate beef 0.4.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76f7d6cc5cc290b682be72b8da573265cda7cc7f25b204047bc6bdaa45e9115
[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" "f76f7d6cc5cc290b682be72b8da573265cda7cc7f25b204047bc6bdaa45e9115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76f7d6cc5cc290b682be72b8da573265cda7cc7f25b204047bc6bdaa45e9115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76f7d6cc5cc290b682be72b8da573265cda7cc7f25b204047bc6bdaa45e9115", kill_on_drop: false }`
[INFO] [stdout] f76f7d6cc5cc290b682be72b8da573265cda7cc7f25b204047bc6bdaa45e9115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50314ad13a00a1c69c4183888b99d7b86250832e95394522e72dcce63d591b94
[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" "50314ad13a00a1c69c4183888b99d7b86250832e95394522e72dcce63d591b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "50314ad13a00a1c69c4183888b99d7b86250832e95394522e72dcce63d591b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50314ad13a00a1c69c4183888b99d7b86250832e95394522e72dcce63d591b94", kill_on_drop: false }`
[INFO] [stdout] 50314ad13a00a1c69c4183888b99d7b86250832e95394522e72dcce63d591b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] bf2727e54f0c3c5472a7a14409c9035832f11ada978c19029343140e22d3bace
[INFO] running `Command { std: "docker" "start" "-a" "bf2727e54f0c3c5472a7a14409c9035832f11ada978c19029343140e22d3bace", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling beef v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.99s
[INFO] running `Command { std: "docker" "inspect" "bf2727e54f0c3c5472a7a14409c9035832f11ada978c19029343140e22d3bace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2727e54f0c3c5472a7a14409c9035832f11ada978c19029343140e22d3bace", kill_on_drop: false }`
[INFO] [stdout] bf2727e54f0c3c5472a7a14409c9035832f11ada978c19029343140e22d3bace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92cc08e6ef39f5effd375effed69e7c48e41767def8bf2668035bd9c2dd4fd1a
[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" "92cc08e6ef39f5effd375effed69e7c48e41767def8bf2668035bd9c2dd4fd1a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beef-b5d4eabf512c8477
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test_lean::borrowed_slice ... ok
[INFO] [stdout] test test_wide::borrowed_str ... ok
[INFO] [stdout] test test_wide::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::hash ... ok
[INFO] [stdout] test test_wide::default_slice ... ok
[INFO] [stdout] test test_lean::unwrap_borrowed ... ok
[INFO] [stdout] test test_lean::borrowed_str ... ok
[INFO] [stdout] test test_lean::default_slice ... ok
[INFO] [stdout] test test_lean::const_fn_str ... ok
[INFO] [stdout] test test_lean::into_owned ... ok
[INFO] [stdout] test test_lean::into_owned_vec ... ok
[INFO] [stdout] test test_lean::owned_string ... ok
[INFO] [stdout] test test_lean::owned_slice ... ok
[INFO] [stdout] test test_wide::from_std_cow ... ok
[INFO] [stdout] test test_wide::into_owned ... ok
[INFO] [stdout] test test_wide::owned_string ... ok
[INFO] [stdout] test test_wide::default_str ... ok
[INFO] [stdout] test test_wide::borrowed_slice ... ok
[INFO] [stdout] test test_wide::into_owned_vec ... ok
[INFO] [stdout] test test_wide::owned_slice ... ok
[INFO] [stdout] test test_lean::ord_and_partial_ord ... ok
[INFO] [stdout] test test_wide::hash ... ok
[INFO] [stdout] test test_wide::ord_and_partial_ord ... ok
[INFO] [stdout] test test_wide::stress_test_owned ... ok
[INFO] [stdout] test test_lean::stress_test_owned ... ok
[INFO] [stdout] test test_wide::unwrap_borrowed ... 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::borrowed (line 74) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 201) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 175) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::owned (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... 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] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92cc08e6ef39f5effd375effed69e7c48e41767def8bf2668035bd9c2dd4fd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cc08e6ef39f5effd375effed69e7c48e41767def8bf2668035bd9c2dd4fd1a", kill_on_drop: false }`
[INFO] [stdout] 92cc08e6ef39f5effd375effed69e7c48e41767def8bf2668035bd9c2dd4fd1a