[INFO] cloning repository https://github.com/bytebuddha/Columbus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bytebuddha/Columbus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytebuddha%2FColumbus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytebuddha%2FColumbus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfb170328f4a05fbb026c5ab5c531f959a2396d1
[INFO] testing bytebuddha/Columbus against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytebuddha%2FColumbus" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bytebuddha/Columbus on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bytebuddha/Columbus
[INFO] finished tweaking git repo https://github.com/bytebuddha/Columbus
[INFO] tweaked toml for git repo https://github.com/bytebuddha/Columbus written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bytebuddha/Columbus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntect v1.7.1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315a599540000081157778dd845d1acb0459931b35986672ab662dd4c1feb72e
[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" "315a599540000081157778dd845d1acb0459931b35986672ab662dd4c1feb72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315a599540000081157778dd845d1acb0459931b35986672ab662dd4c1feb72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315a599540000081157778dd845d1acb0459931b35986672ab662dd4c1feb72e", kill_on_drop: false }`
[INFO] [stdout] 315a599540000081157778dd845d1acb0459931b35986672ab662dd4c1feb72e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d228626d938bafaaaf9f6510f506deb6fb304f7766f3853ff5b6840d1de47c42
[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" "d228626d938bafaaaf9f6510f506deb6fb304f7766f3853ff5b6840d1de47c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling plist v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling cassowary v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling cmake v0.1.24
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling termion v1.4.0
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling clap v2.25.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling onig_sys v64.0.1
[INFO] [stderr]    Compiling tui v0.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling onig v1.4.1
[INFO] [stderr]    Compiling syntect v1.7.1
[INFO] [stderr]    Compiling columbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.24s
[INFO] running `Command { std: "docker" "inspect" "d228626d938bafaaaf9f6510f506deb6fb304f7766f3853ff5b6840d1de47c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d228626d938bafaaaf9f6510f506deb6fb304f7766f3853ff5b6840d1de47c42", kill_on_drop: false }`
[INFO] [stdout] d228626d938bafaaaf9f6510f506deb6fb304f7766f3853ff5b6840d1de47c42
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8474786d6da0d559db896fccb9c8654cb69fd97ad84c5e76bc446b56792a7ab
[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" "d8474786d6da0d559db896fccb9c8654cb69fd97ad84c5e76bc446b56792a7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling columbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "d8474786d6da0d559db896fccb9c8654cb69fd97ad84c5e76bc446b56792a7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8474786d6da0d559db896fccb9c8654cb69fd97ad84c5e76bc446b56792a7ab", kill_on_drop: false }`
[INFO] [stdout] d8474786d6da0d559db896fccb9c8654cb69fd97ad84c5e76bc446b56792a7ab
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83e03cb4278468819c8907adf99d35470579ac16c0155bf983e68a4e7d9ef0e2
[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" "83e03cb4278468819c8907adf99d35470579ac16c0155bf983e68a4e7d9ef0e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/columbus-0cd4efc01979d175
[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" "83e03cb4278468819c8907adf99d35470579ac16c0155bf983e68a4e7d9ef0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e03cb4278468819c8907adf99d35470579ac16c0155bf983e68a4e7d9ef0e2", kill_on_drop: false }`
[INFO] [stdout] 83e03cb4278468819c8907adf99d35470579ac16c0155bf983e68a4e7d9ef0e2