[INFO] fetching crate os_str_bytes 2.4.0...
[INFO] testing os_str_bytes-2.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate os_str_bytes 2.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate os_str_bytes 2.4.0 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 os_str_bytes 2.4.0
[INFO] finished tweaking crates.io crate os_str_bytes 2.4.0
[INFO] tweaked toml for crates.io crate os_str_bytes 2.4.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 826317a413aca545de774e3e569f13f6f3e98771ec2b06e801103c418b0701e7
[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" "826317a413aca545de774e3e569f13f6f3e98771ec2b06e801103c418b0701e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826317a413aca545de774e3e569f13f6f3e98771ec2b06e801103c418b0701e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826317a413aca545de774e3e569f13f6f3e98771ec2b06e801103c418b0701e7", kill_on_drop: false }`
[INFO] [stdout] 826317a413aca545de774e3e569f13f6f3e98771ec2b06e801103c418b0701e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5ad68cb534e359b2fabdc09cf36397afd72a0c1abf0e63e0e3060068dbe1ff4a
[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" "5ad68cb534e359b2fabdc09cf36397afd72a0c1abf0e63e0e3060068dbe1ff4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_str_bytes v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "5ad68cb534e359b2fabdc09cf36397afd72a0c1abf0e63e0e3060068dbe1ff4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad68cb534e359b2fabdc09cf36397afd72a0c1abf0e63e0e3060068dbe1ff4a", kill_on_drop: false }`
[INFO] [stdout] 5ad68cb534e359b2fabdc09cf36397afd72a0c1abf0e63e0e3060068dbe1ff4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 17ee4850fea6547a33559cb2529cb8233c5ba9294cdbc5ef5bffed256c00e3e2
[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" "17ee4850fea6547a33559cb2529cb8233c5ba9294cdbc5ef5bffed256c00e3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling os_str_bytes v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "17ee4850fea6547a33559cb2529cb8233c5ba9294cdbc5ef5bffed256c00e3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ee4850fea6547a33559cb2529cb8233c5ba9294cdbc5ef5bffed256c00e3e2", kill_on_drop: false }`
[INFO] [stdout] 17ee4850fea6547a33559cb2529cb8233c5ba9294cdbc5ef5bffed256c00e3e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] afbd080cd9447aedbc4d1d45437a89014a818e437e66522b039563a9bcbdfd41
[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" "afbd080cd9447aedbc4d1d45437a89014a818e437e66522b039563a9bcbdfd41", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/os_str_bytes-58669f8331b66c3c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests os_str_bytes
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - OsStrBytes::from_bytes (line 233) ... ok
[INFO] [stdout] test src/lib.rs - OsStringBytes::from_cow (line 358) ... ok
[INFO] [stdout] test src/lib.rs - OsStringBytes::from_vec (line 394) ... ok
[INFO] [stdout] test src/lib.rs - OsStringBytes::into_vec (line 416) ... ok
[INFO] [stdout] test src/lib.rs - OsStringBytes::from_bytes (line 323) ... ok
[INFO] [stdout] test src/lib.rs - OsStrBytes::to_bytes (line 257) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afbd080cd9447aedbc4d1d45437a89014a818e437e66522b039563a9bcbdfd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbd080cd9447aedbc4d1d45437a89014a818e437e66522b039563a9bcbdfd41", kill_on_drop: false }`
[INFO] [stdout] afbd080cd9447aedbc4d1d45437a89014a818e437e66522b039563a9bcbdfd41