[INFO] cloning repository https://github.com/sts10/capitalizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/capitalizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54ed66546c5fe800598a301b93e236532575a952
[INFO] testing sts10/capitalizer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer" "/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/sts10/capitalizer 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/sts10/capitalizer
[INFO] finished tweaking git repo https://github.com/sts10/capitalizer
[INFO] tweaked toml for git repo https://github.com/sts10/capitalizer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/capitalizer 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-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" "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] a12f16340f29e46d347b6400fb428b75462f50314f950701f918f12804859051
[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" "a12f16340f29e46d347b6400fb428b75462f50314f950701f918f12804859051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a12f16340f29e46d347b6400fb428b75462f50314f950701f918f12804859051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12f16340f29e46d347b6400fb428b75462f50314f950701f918f12804859051", kill_on_drop: false }`
[INFO] [stdout] a12f16340f29e46d347b6400fb428b75462f50314f950701f918f12804859051
[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" "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] f52644865538b4eeecfe96609eac3054d1ab5e49a9f1ae758871d78a9022ec13
[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" "f52644865538b4eeecfe96609eac3054d1ab5e49a9f1ae758871d78a9022ec13", kill_on_drop: false }`
[INFO] [stderr]    Compiling capitalizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "f52644865538b4eeecfe96609eac3054d1ab5e49a9f1ae758871d78a9022ec13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52644865538b4eeecfe96609eac3054d1ab5e49a9f1ae758871d78a9022ec13", kill_on_drop: false }`
[INFO] [stdout] f52644865538b4eeecfe96609eac3054d1ab5e49a9f1ae758871d78a9022ec13
[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" "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] 4160871ddfc320a8c069d7b6f1bad5f168d1a8df9e250fa6d9c46632c3917695
[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" "4160871ddfc320a8c069d7b6f1bad5f168d1a8df9e250fa6d9c46632c3917695", kill_on_drop: false }`
[INFO] [stderr]    Compiling capitalizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4160871ddfc320a8c069d7b6f1bad5f168d1a8df9e250fa6d9c46632c3917695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4160871ddfc320a8c069d7b6f1bad5f168d1a8df9e250fa6d9c46632c3917695", kill_on_drop: false }`
[INFO] [stdout] 4160871ddfc320a8c069d7b6f1bad5f168d1a8df9e250fa6d9c46632c3917695
[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" "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] bc8c0b5abc67e3bb1ab346b19e41c9e47c5abd0ebe8fcd38687370a5225a569a
[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" "bc8c0b5abc67e3bb1ab346b19e41c9e47c5abd0ebe8fcd38687370a5225a569a", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `downcase_this`
[INFO] [stderr]  --> src/downcase.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn downcase_this(s: String) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/capitalizer-f07a98cd875b167c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/capitalizer-44d09d3d643d3ad2
[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] [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] [stderr]    Doc-tests capitalizer
[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" "bc8c0b5abc67e3bb1ab346b19e41c9e47c5abd0ebe8fcd38687370a5225a569a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8c0b5abc67e3bb1ab346b19e41c9e47c5abd0ebe8fcd38687370a5225a569a", kill_on_drop: false }`
[INFO] [stdout] bc8c0b5abc67e3bb1ab346b19e41c9e47c5abd0ebe8fcd38687370a5225a569a