[INFO] cloning repository https://github.com/scttcper/wcwidth.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scttcper/wcwidth.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07e4ce51b4382809ec52bbb16839023ad8d33ed0
[INFO] testing scttcper/wcwidth.rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scttcper/wcwidth.rs 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 git repo https://github.com/scttcper/wcwidth.rs
[INFO] finished tweaking git repo https://github.com/scttcper/wcwidth.rs
[INFO] tweaked toml for git repo https://github.com/scttcper/wcwidth.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/scttcper/wcwidth.rs already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] df2018219f096be470d0378ab6ab35e4f50041f4eded12da479d8a04ebe49c00
[INFO] running `Command { std: "docker" "start" "-a" "df2018219f096be470d0378ab6ab35e4f50041f4eded12da479d8a04ebe49c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df2018219f096be470d0378ab6ab35e4f50041f4eded12da479d8a04ebe49c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2018219f096be470d0378ab6ab35e4f50041f4eded12da479d8a04ebe49c00", kill_on_drop: false }`
[INFO] [stdout] df2018219f096be470d0378ab6ab35e4f50041f4eded12da479d8a04ebe49c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ced8c177c6ff184c304bd8de0061b3d57bb258bf765eef890142035ecba7d7d
[INFO] running `Command { std: "docker" "start" "-a" "0ced8c177c6ff184c304bd8de0061b3d57bb258bf765eef890142035ecba7d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "0ced8c177c6ff184c304bd8de0061b3d57bb258bf765eef890142035ecba7d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ced8c177c6ff184c304bd8de0061b3d57bb258bf765eef890142035ecba7d7d", kill_on_drop: false }`
[INFO] [stdout] 0ced8c177c6ff184c304bd8de0061b3d57bb258bf765eef890142035ecba7d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 13c21b034a71fabbb1b76164d3032274c7537b847c18f0c4e94b8961e31c1f2e
[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" "13c21b034a71fabbb1b76164d3032274c7537b847c18f0c4e94b8961e31c1f2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "13c21b034a71fabbb1b76164d3032274c7537b847c18f0c4e94b8961e31c1f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c21b034a71fabbb1b76164d3032274c7537b847c18f0c4e94b8961e31c1f2e", kill_on_drop: false }`
[INFO] [stdout] 13c21b034a71fabbb1b76164d3032274c7537b847c18f0c4e94b8961e31c1f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4f6291594e39aba18be42bb0a4dd1028561395b7cb413621814134a239646aed
[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" "4f6291594e39aba18be42bb0a4dd1028561395b7cb413621814134a239646aed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wcwidth-6920ddea35f58363
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-b2dad0196d5202cb
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::custom_value_for_nul ... ok
[INFO] [stdout] test test::ignore_bad_input ... ok
[INFO] [stdout] test test::ignore_control_characters ... ok
[INFO] [stdout] test test::ignore_null_charcode ... ok
[INFO] [stdout] test test::exploration ... ok
[INFO] [stdout] test test::multibyte_strings ... ok
[INFO] [stdout] test test::regular_strings ... ok
[INFO] [stderr]    Doc-tests wcwidth
[INFO] [stdout] test test::multibyte_characters_with_regular_characters ... ok
[INFO] [stdout] test test::ignore_mixed_nulls_and_chars ... ok
[INFO] [stdout] test test::custom_value_for_control ... ok
[INFO] [stdout] test test::negative_custom_value_for_control ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f6291594e39aba18be42bb0a4dd1028561395b7cb413621814134a239646aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6291594e39aba18be42bb0a4dd1028561395b7cb413621814134a239646aed", kill_on_drop: false }`
[INFO] [stdout] 4f6291594e39aba18be42bb0a4dd1028561395b7cb413621814134a239646aed