[INFO] fetching crate string-wrapper 0.3.0...
[INFO] testing string-wrapper-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate string-wrapper 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate string-wrapper 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-wrapper 0.3.0
[INFO] finished tweaking crates.io crate string-wrapper 0.3.0
[INFO] tweaked toml for crates.io crate string-wrapper 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a0bbc0b2df81b9d9385eacaed7de23feb93139710abe7328f302d45e12b8b2a
[INFO] running `Command { std: "docker" "start" "-a" "0a0bbc0b2df81b9d9385eacaed7de23feb93139710abe7328f302d45e12b8b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0bbc0b2df81b9d9385eacaed7de23feb93139710abe7328f302d45e12b8b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0bbc0b2df81b9d9385eacaed7de23feb93139710abe7328f302d45e12b8b2a", kill_on_drop: false }`
[INFO] [stdout] 0a0bbc0b2df81b9d9385eacaed7de23feb93139710abe7328f302d45e12b8b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb0bfe11dfa5491f8daf2bffd7eae8cb10add5a9a1443402c4f9ce948bc484b
[INFO] running `Command { std: "docker" "start" "-a" "bfb0bfe11dfa5491f8daf2bffd7eae8cb10add5a9a1443402c4f9ce948bc484b", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "bfb0bfe11dfa5491f8daf2bffd7eae8cb10add5a9a1443402c4f9ce948bc484b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb0bfe11dfa5491f8daf2bffd7eae8cb10add5a9a1443402c4f9ce948bc484b", kill_on_drop: false }`
[INFO] [stdout] bfb0bfe11dfa5491f8daf2bffd7eae8cb10add5a9a1443402c4f9ce948bc484b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaae04835853e28bf32f26a2de77f77cca892f500f727aea0e22ad7c4d949309
[INFO] running `Command { std: "docker" "start" "-a" "aaae04835853e28bf32f26a2de77f77cca892f500f727aea0e22ad7c4d949309", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "aaae04835853e28bf32f26a2de77f77cca892f500f727aea0e22ad7c4d949309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaae04835853e28bf32f26a2de77f77cca892f500f727aea0e22ad7c4d949309", kill_on_drop: false }`
[INFO] [stdout] aaae04835853e28bf32f26a2de77f77cca892f500f727aea0e22ad7c4d949309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97246ddbdb9b908a5c5ea21e78407244e2b418d5f42ccccbd8be35d7384049a2
[INFO] running `Command { std: "docker" "start" "-a" "97246ddbdb9b908a5c5ea21e78407244e2b418d5f42ccccbd8be35d7384049a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_wrapper-bbb71a3e3aaa3829)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::hash_only_to_length ... ok
[INFO] [stdout] test tests::eq_only_to_length ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::ord_only_to_length ... ok
[INFO] [stderr]    Doc-tests string-wrapper
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str (line 195) ... ok
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str_safe (line 220) ... ok
[INFO] [stdout] test lib.rs - StringWrapper<T>::from_str_safe (line 213) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97246ddbdb9b908a5c5ea21e78407244e2b418d5f42ccccbd8be35d7384049a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97246ddbdb9b908a5c5ea21e78407244e2b418d5f42ccccbd8be35d7384049a2", kill_on_drop: false }`
[INFO] [stdout] 97246ddbdb9b908a5c5ea21e78407244e2b418d5f42ccccbd8be35d7384049a2