[INFO] fetching crate eztd-core 0.0.3...
[INFO] testing eztd-core-0.0.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate eztd-core 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate eztd-core 0.0.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eztd-core 0.0.3
[INFO] finished tweaking crates.io crate eztd-core 0.0.3
[INFO] tweaked toml for crates.io crate eztd-core 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 197588932aaf4e0380fa6d6bcd9645323a97a45b3f9af5f08ec88c30841d0ea8
[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" "197588932aaf4e0380fa6d6bcd9645323a97a45b3f9af5f08ec88c30841d0ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197588932aaf4e0380fa6d6bcd9645323a97a45b3f9af5f08ec88c30841d0ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197588932aaf4e0380fa6d6bcd9645323a97a45b3f9af5f08ec88c30841d0ea8", kill_on_drop: false }`
[INFO] [stdout] 197588932aaf4e0380fa6d6bcd9645323a97a45b3f9af5f08ec88c30841d0ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72cd0373413affe94b8b9935fa94be7d59fae5c2c51f62bf28f27ed378e0656d
[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" "72cd0373413affe94b8b9935fa94be7d59fae5c2c51f62bf28f27ed378e0656d", kill_on_drop: false }`
[INFO] [stderr]    Compiling eztd-core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "72cd0373413affe94b8b9935fa94be7d59fae5c2c51f62bf28f27ed378e0656d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cd0373413affe94b8b9935fa94be7d59fae5c2c51f62bf28f27ed378e0656d", kill_on_drop: false }`
[INFO] [stdout] 72cd0373413affe94b8b9935fa94be7d59fae5c2c51f62bf28f27ed378e0656d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2278c6b390121aedbd118b32ecc687a2861d71efa039d6e70305a9971109d7
[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" "dd2278c6b390121aedbd118b32ecc687a2861d71efa039d6e70305a9971109d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling eztd-core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "dd2278c6b390121aedbd118b32ecc687a2861d71efa039d6e70305a9971109d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2278c6b390121aedbd118b32ecc687a2861d71efa039d6e70305a9971109d7", kill_on_drop: false }`
[INFO] [stdout] dd2278c6b390121aedbd118b32ecc687a2861d71efa039d6e70305a9971109d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] f8377bd8b0f9c9618c09b7173cbab0043884557577c07a415b7ade1c9f7762da
[INFO] running `Command { std: "docker" "start" "-a" "f8377bd8b0f9c9618c09b7173cbab0043884557577c07a415b7ade1c9f7762da", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eztd_core-ee9f7972e982706e)
[INFO] [stdout] test string::test_coerce_range::empty ... ok
[INFO] [stderr]    Doc-tests eztd-core
[INFO] [stdout] test string::test_coerce_range::non_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/string/mod.rs - string::String::bytes (line 173) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::as_str (line 350) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::shrink_to_fit (line 269) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::trim_start (line 204) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::get (line 115) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::char_len (line 93) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::join_char (line 247) ... ok
[INFO] [stdout] test src/string/mod.rs - string::&'sString (line 484) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::byte_len (line 58) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::new (line 42) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::is_empty (line 73) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::join_str (line 221) ... ok
[INFO] [stdout] test src/string/mod.rs - string::String::split_at (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8377bd8b0f9c9618c09b7173cbab0043884557577c07a415b7ade1c9f7762da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8377bd8b0f9c9618c09b7173cbab0043884557577c07a415b7ade1c9f7762da", kill_on_drop: false }`
[INFO] [stdout] f8377bd8b0f9c9618c09b7173cbab0043884557577c07a415b7ade1c9f7762da