[INFO] cloning repository https://github.com/sisshiki1969/ruruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sisshiki1969/ruruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33f3306f26a6b85f47666afb970bf80c8857e5b9
[INFO] checking sisshiki1969/ruruby against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby" "/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/sisshiki1969/ruruby on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sisshiki1969/ruruby
[INFO] finished tweaking git repo https://github.com/sisshiki1969/ruruby
[INFO] tweaked toml for git repo https://github.com/sisshiki1969/ruruby written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sisshiki1969/ruruby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f7d1e5e6e933aa55c3c28eac0b621b7acaea31b47b973d44117602a453ee223
[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" "3f7d1e5e6e933aa55c3c28eac0b621b7acaea31b47b973d44117602a453ee223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f7d1e5e6e933aa55c3c28eac0b621b7acaea31b47b973d44117602a453ee223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7d1e5e6e933aa55c3c28eac0b621b7acaea31b47b973d44117602a453ee223", kill_on_drop: false }`
[INFO] [stdout] 3f7d1e5e6e933aa55c3c28eac0b621b7acaea31b47b973d44117602a453ee223
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--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] 123c124297a8224b8d8aa0b73101df12259ab18beef9f1d1e2fbe3389880d841
[INFO] running `Command { std: "docker" "start" "-a" "123c124297a8224b8d8aa0b73101df12259ab18beef9f1d1e2fbe3389880d841", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking divrem v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking arraystring v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking fancy-regex v0.4.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rustyline v7.0.0
[INFO] [stderr]     Checking ruruby v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "123c124297a8224b8d8aa0b73101df12259ab18beef9f1d1e2fbe3389880d841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123c124297a8224b8d8aa0b73101df12259ab18beef9f1d1e2fbe3389880d841", kill_on_drop: false }`
[INFO] [stdout] 123c124297a8224b8d8aa0b73101df12259ab18beef9f1d1e2fbe3389880d841