[INFO] fetching crate cstr_core 0.2.2...
[INFO] testing cstr_core-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cstr_core 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cstr_core 0.2.2 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 cstr_core 0.2.2
[INFO] finished tweaking crates.io crate cstr_core 0.2.2
[INFO] tweaked toml for crates.io crate cstr_core 0.2.2 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2796f21c2f6f94a077ca100963a0f037a339ec0782c182d929277cd4117d903
[INFO] running `Command { std: "docker" "start" "-a" "a2796f21c2f6f94a077ca100963a0f037a339ec0782c182d929277cd4117d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2796f21c2f6f94a077ca100963a0f037a339ec0782c182d929277cd4117d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2796f21c2f6f94a077ca100963a0f037a339ec0782c182d929277cd4117d903", kill_on_drop: false }`
[INFO] [stdout] a2796f21c2f6f94a077ca100963a0f037a339ec0782c182d929277cd4117d903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3c23873f94b290c025ac11429cb9b83eadfb0d48bbf915d78bc229b7903c7e01
[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" "3c23873f94b290c025ac11429cb9b83eadfb0d48bbf915d78bc229b7903c7e01", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling cstr_core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "3c23873f94b290c025ac11429cb9b83eadfb0d48bbf915d78bc229b7903c7e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c23873f94b290c025ac11429cb9b83eadfb0d48bbf915d78bc229b7903c7e01", kill_on_drop: false }`
[INFO] [stdout] 3c23873f94b290c025ac11429cb9b83eadfb0d48bbf915d78bc229b7903c7e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1cf2d4485d2fe42c4b556188bf70289c6b54bd7857a57b020a1a954a27faa1e2
[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" "1cf2d4485d2fe42c4b556188bf70289c6b54bd7857a57b020a1a954a27faa1e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cstr_core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "1cf2d4485d2fe42c4b556188bf70289c6b54bd7857a57b020a1a954a27faa1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf2d4485d2fe42c4b556188bf70289c6b54bd7857a57b020a1a954a27faa1e2", kill_on_drop: false }`
[INFO] [stdout] 1cf2d4485d2fe42c4b556188bf70289c6b54bd7857a57b020a1a954a27faa1e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5f8e03fd0d0db4a336e90988c8c238912a561b2e5f3311b3f3afd8b2c18e500a
[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" "5f8e03fd0d0db4a336e90988c8c238912a561b2e5f3311b3f3afd8b2c18e500a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::borrowed ... ok
[INFO] [stdout] test tests::build_with_zero1 ... ok
[INFO] [stdout] test tests::build_with_zero2 ... ok
[INFO] [stdout] test tests::build_with_zero3 ... ok
[INFO] [stdout] test tests::equal_hash ... ok
[INFO] [stdout] test tests::from_bytes_with_nul ... ok
[INFO] [stdout] test tests::from_bytes_with_nul_interior ... ok
[INFO] [stdout] test tests::from_bytes_with_nul_unterminated ... ok
[INFO] [stdout] test tests::into_boxed ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test tests::to_owned ... ok
[INFO] [stdout] test tests::to_str ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cstr_core-e929e264a757ec98
[INFO] [stdout] test tests::formatted ... ok
[INFO] [stdout] test tests::boxed_default ... ok
[INFO] [stdout] test tests::into_rc ... ok
[INFO] [stdout] test tests::c_to_rust ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cstr_core
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/lib.rs - CStr (line 167) ... ignored
[INFO] [stdout] test src/lib.rs - CStr (line 181) ... ignored
[INFO] [stdout] test src/lib.rs - CStr (line 197) ... ignored
[INFO] [stdout] test src/lib.rs - CStr::from_ptr (line 918) ... ignored
[INFO] [stdout] test src/lib.rs - CString (line 108) ... ignored
[INFO] [stdout] test src/lib.rs - CString::from_raw (line 408) ... ignored
[INFO] [stdout] test src/lib.rs - CStr::as_ptr (line 1044) ... ok
[INFO] [stdout] test src/lib.rs - CStr::as_ptr (line 1060) ... ok
[INFO] [stdout] test src/lib.rs - CStr::to_bytes_with_nul (line 1117) ... ok
[INFO] [stdout] test src/lib.rs - CStr::from_bytes_with_nul_unchecked (line 1014) ... ok
[INFO] [stdout] test src/lib.rs - CStr::from_bytes_with_nul (line 965) ... ok
[INFO] [stdout] test src/lib.rs - CStr::to_str (line 1136) ... ok
[INFO] [stdout] test src/lib.rs - CString::new (line 326) ... ignored
[INFO] [stdout] test src/lib.rs - CStr::to_string_lossy (line 1178) ... ok
[INFO] [stdout] test src/lib.rs - CStr::from_bytes_with_nul (line 956) ... ok
[INFO] [stdout] test src/lib.rs - CString::as_bytes (line 541) ... ok
[INFO] [stdout] test src/lib.rs - CStr::from_bytes_with_nul (line 947) ... ok
[INFO] [stdout] test src/lib.rs - CStr::to_bytes (line 1092) ... ok
[INFO] [stdout] test src/lib.rs - CString::from_vec_unchecked (line 367) ... ok
[INFO] [stdout] test src/lib.rs - CStr::into_c_string (line 1200) ... ok
[INFO] [stdout] test src/lib.rs - CString::as_c_str (line 578) ... ok
[INFO] [stdout] test src/lib.rs - CString::as_bytes_with_nul (line 560) ... ok
[INFO] [stdout] test src/lib.rs - CString::into_boxed_c_str (line 597) ... ok
[INFO] [stdout] test src/lib.rs - CStr::to_string_lossy (line 1167) ... ok
[INFO] [stdout] test src/lib.rs - NulError::nul_position (line 820) ... ok
[INFO] [stdout] test src/lib.rs - CString::into_raw (line 444) ... ok
[INFO] [stdout] test src/lib.rs - FromBytesWithNulError (line 266) ... ok
[INFO] [stdout] test src/lib.rs - CString::into_bytes_with_nul (line 519) ... ok
[INFO] [stdout] test src/lib.rs - CString::into_bytes (line 498) ... ok
[INFO] [stdout] test src/lib.rs - NulError::into_vec (line 838) ... ok
[INFO] [stdout] test src/lib.rs - NulError (line 243) ... ok
[INFO] [stdout] test src/lib.rs - CString::into_string (line 471) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f8e03fd0d0db4a336e90988c8c238912a561b2e5f3311b3f3afd8b2c18e500a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8e03fd0d0db4a336e90988c8c238912a561b2e5f3311b3f3afd8b2c18e500a", kill_on_drop: false }`
[INFO] [stdout] 5f8e03fd0d0db4a336e90988c8c238912a561b2e5f3311b3f3afd8b2c18e500a