[INFO] fetching crate string-wrapper 0.3.0...
[INFO] testing string-wrapper-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate string-wrapper 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate string-wrapper 0.3.0 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 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-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 88865f38d8f1ef63694319bafb03f1707f10522dec1122194f2f21c25528e3bc
[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" "88865f38d8f1ef63694319bafb03f1707f10522dec1122194f2f21c25528e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88865f38d8f1ef63694319bafb03f1707f10522dec1122194f2f21c25528e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88865f38d8f1ef63694319bafb03f1707f10522dec1122194f2f21c25528e3bc", kill_on_drop: false }`
[INFO] [stdout] 88865f38d8f1ef63694319bafb03f1707f10522dec1122194f2f21c25528e3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e67184f9000bd25368b7cad6a5319d813bc3196341a8708d09fab9e4253ecff2
[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" "e67184f9000bd25368b7cad6a5319d813bc3196341a8708d09fab9e4253ecff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "e67184f9000bd25368b7cad6a5319d813bc3196341a8708d09fab9e4253ecff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67184f9000bd25368b7cad6a5319d813bc3196341a8708d09fab9e4253ecff2", kill_on_drop: false }`
[INFO] [stdout] e67184f9000bd25368b7cad6a5319d813bc3196341a8708d09fab9e4253ecff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 478e4a32a3c5f7561e7028c44c06b679dbff3da56393a641cbeaa3108873fdad
[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" "478e4a32a3c5f7561e7028c44c06b679dbff3da56393a641cbeaa3108873fdad", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "478e4a32a3c5f7561e7028c44c06b679dbff3da56393a641cbeaa3108873fdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478e4a32a3c5f7561e7028c44c06b679dbff3da56393a641cbeaa3108873fdad", kill_on_drop: false }`
[INFO] [stdout] 478e4a32a3c5f7561e7028c44c06b679dbff3da56393a641cbeaa3108873fdad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fdb23764285a7836b1e5621e70e269c8dc8c33e2a561e91b9c56d0200a773f7e
[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" "fdb23764285a7836b1e5621e70e269c8dc8c33e2a561e91b9c56d0200a773f7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_wrapper-bf7d1a55a3339de4
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::eq_only_to_length ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::hash_only_to_length ... ok
[INFO] [stdout] test tests::ord_only_to_length ... ok
[INFO] [stdout] test tests::it_works ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-wrapper
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdb23764285a7836b1e5621e70e269c8dc8c33e2a561e91b9c56d0200a773f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb23764285a7836b1e5621e70e269c8dc8c33e2a561e91b9c56d0200a773f7e", kill_on_drop: false }`
[INFO] [stdout] fdb23764285a7836b1e5621e70e269c8dc8c33e2a561e91b9c56d0200a773f7e