[INFO] updating cached repository https://github.com/cassaundra/lang-char-freq
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3af22995de9acdea8a43b03c82732f4ba0f097b
[INFO] testing cassaundra/lang-char-freq against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Flang-char-freq" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cassaundra/lang-char-freq on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cassaundra/lang-char-freq
[INFO] finished tweaking git repo https://github.com/cassaundra/lang-char-freq
[INFO] tweaked toml for git repo https://github.com/cassaundra/lang-char-freq written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/cassaundra/lang-char-freq already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e40e4bb1bedc98b5da42ff6f8d4c0835d07bd7b0d2ff9619623a5ff03cbf8085
[INFO] running `"docker" "start" "-a" "e40e4bb1bedc98b5da42ff6f8d4c0835d07bd7b0d2ff9619623a5ff03cbf8085"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling euclid v0.20.8
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling font-kit v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling tracing-subscriber v0.2.4
[INFO] [stderr]    Compiling lang-char-freq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `"docker" "inspect" "e40e4bb1bedc98b5da42ff6f8d4c0835d07bd7b0d2ff9619623a5ff03cbf8085"`
[INFO] running `"docker" "rm" "-f" "e40e4bb1bedc98b5da42ff6f8d4c0835d07bd7b0d2ff9619623a5ff03cbf8085"`
[INFO] [stdout] e40e4bb1bedc98b5da42ff6f8d4c0835d07bd7b0d2ff9619623a5ff03cbf8085
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81d38af23a07ee1512cbd671cc24b101f8c3798cb97df5d403719396c0fd44e5
[INFO] running `"docker" "start" "-a" "81d38af23a07ee1512cbd671cc24b101f8c3798cb97df5d403719396c0fd44e5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lang-char-freq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "81d38af23a07ee1512cbd671cc24b101f8c3798cb97df5d403719396c0fd44e5"`
[INFO] running `"docker" "rm" "-f" "81d38af23a07ee1512cbd671cc24b101f8c3798cb97df5d403719396c0fd44e5"`
[INFO] [stdout] 81d38af23a07ee1512cbd671cc24b101f8c3798cb97df5d403719396c0fd44e5
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 1b6f5495c88b49a1f6fd61e28a3ef17003260802a1b0a4f72c2896ac4e3c5e72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1b6f5495c88b49a1f6fd61e28a3ef17003260802a1b0a4f72c2896ac4e3c5e72"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lang_char_freq-4133ef6b373619ca
[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 `"docker" "inspect" "1b6f5495c88b49a1f6fd61e28a3ef17003260802a1b0a4f72c2896ac4e3c5e72"`
[INFO] running `"docker" "rm" "-f" "1b6f5495c88b49a1f6fd61e28a3ef17003260802a1b0a4f72c2896ac4e3c5e72"`
[INFO] [stdout] 1b6f5495c88b49a1f6fd61e28a3ef17003260802a1b0a4f72c2896ac4e3c5e72