[INFO] cloning repository https://github.com/rrcobb/small-strings-codealong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrcobb/small-strings-codealong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrcobb%2Fsmall-strings-codealong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrcobb%2Fsmall-strings-codealong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3814763b7aef1f14e95ffcdcb06ab594ee6e228d
[INFO] testing rrcobb/small-strings-codealong against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrcobb%2Fsmall-strings-codealong" "/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/rrcobb/small-strings-codealong 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/rrcobb/small-strings-codealong
[INFO] finished tweaking git repo https://github.com/rrcobb/small-strings-codealong
[INFO] tweaked toml for git repo https://github.com/rrcobb/small-strings-codealong written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rrcobb/small-strings-codealong 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] 3578e34680c921089ddf680c01c396eaf689b4f6082a722a3f235ba9645fb3dd
[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" "3578e34680c921089ddf680c01c396eaf689b4f6082a722a3f235ba9645fb3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3578e34680c921089ddf680c01c396eaf689b4f6082a722a3f235ba9645fb3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3578e34680c921089ddf680c01c396eaf689b4f6082a722a3f235ba9645fb3dd", kill_on_drop: false }`
[INFO] [stdout] 3578e34680c921089ddf680c01c396eaf689b4f6082a722a3f235ba9645fb3dd
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31588e3554f0daece4e653acdd6870f6b349bb5dd312fc79c5c5655dd914bef6
[INFO] running `Command { std: "docker" "start" "-a" "31588e3554f0daece4e653acdd6870f6b349bb5dd312fc79c5c5655dd914bef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling drawille v0.2.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling smartstring v0.2.2
[INFO] [stderr]    Compiling textplots v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling parse-display-derive v0.1.2
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling parse-display v0.1.2
[INFO] [stderr]    Compiling smol_str v0.1.16
[INFO] [stderr]    Compiling small v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.36s
[INFO] running `Command { std: "docker" "inspect" "31588e3554f0daece4e653acdd6870f6b349bb5dd312fc79c5c5655dd914bef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31588e3554f0daece4e653acdd6870f6b349bb5dd312fc79c5c5655dd914bef6", kill_on_drop: false }`
[INFO] [stdout] 31588e3554f0daece4e653acdd6870f6b349bb5dd312fc79c5c5655dd914bef6
[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] 9f88e036c95792e31bea3ea88028a8b22b004caf529bb0846583bc8c0e13aa7f
[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" "9f88e036c95792e31bea3ea88028a8b22b004caf529bb0846583bc8c0e13aa7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling small v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "9f88e036c95792e31bea3ea88028a8b22b004caf529bb0846583bc8c0e13aa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f88e036c95792e31bea3ea88028a8b22b004caf529bb0846583bc8c0e13aa7f", kill_on_drop: false }`
[INFO] [stdout] 9f88e036c95792e31bea3ea88028a8b22b004caf529bb0846583bc8c0e13aa7f
[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] e5405bd1d9653eda3a09fda2e6d86add7d2d39e8b32dee3d5c248292335577a1
[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" "e5405bd1d9653eda3a09fda2e6d86add7d2d39e8b32dee3d5c248292335577a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/small-43d9823984e10246
[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" "e5405bd1d9653eda3a09fda2e6d86add7d2d39e8b32dee3d5c248292335577a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5405bd1d9653eda3a09fda2e6d86add7d2d39e8b32dee3d5c248292335577a1", kill_on_drop: false }`
[INFO] [stdout] e5405bd1d9653eda3a09fda2e6d86add7d2d39e8b32dee3d5c248292335577a1