[INFO] cloning repository https://github.com/cocomoff/open-data-structure-rust-basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cocomoff/open-data-structure-rust-basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcocomoff%2Fopen-data-structure-rust-basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcocomoff%2Fopen-data-structure-rust-basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 047e43c947706f0666b1e0732609a3a4d1854e5c
[INFO] testing cocomoff/open-data-structure-rust-basic against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcocomoff%2Fopen-data-structure-rust-basic" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cocomoff/open-data-structure-rust-basic on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cocomoff/open-data-structure-rust-basic
[INFO] finished tweaking git repo https://github.com/cocomoff/open-data-structure-rust-basic
[INFO] tweaked toml for git repo https://github.com/cocomoff/open-data-structure-rust-basic written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cocomoff/open-data-structure-rust-basic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 08a56bab09587f2ec4bc146844cc03e1d9cfcb5bb1ff0fc343fcb0c54d0a44e9
[INFO] running `Command { std: "docker" "start" "-a" "08a56bab09587f2ec4bc146844cc03e1d9cfcb5bb1ff0fc343fcb0c54d0a44e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a56bab09587f2ec4bc146844cc03e1d9cfcb5bb1ff0fc343fcb0c54d0a44e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a56bab09587f2ec4bc146844cc03e1d9cfcb5bb1ff0fc343fcb0c54d0a44e9", kill_on_drop: false }`
[INFO] [stdout] 08a56bab09587f2ec4bc146844cc03e1d9cfcb5bb1ff0fc343fcb0c54d0a44e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac95a9c4ee2961f8295bdfe7c06ccb2ba0f34bc414f175b7ce91c7f768de54c
[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" "3ac95a9c4ee2961f8295bdfe7c06ccb2ba0f34bc414f175b7ce91c7f768de54c", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntroDS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `IntroDS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `intro_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3ac95a9c4ee2961f8295bdfe7c06ccb2ba0f34bc414f175b7ce91c7f768de54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac95a9c4ee2961f8295bdfe7c06ccb2ba0f34bc414f175b7ce91c7f768de54c", kill_on_drop: false }`
[INFO] [stdout] 3ac95a9c4ee2961f8295bdfe7c06ccb2ba0f34bc414f175b7ce91c7f768de54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41a57029240d08e1cd3ded89777d5f0599f8f915e5fe01af08c450655a1ca424
[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" "41a57029240d08e1cd3ded89777d5f0599f8f915e5fe01af08c450655a1ca424", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntroDS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `IntroDS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `intro_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "41a57029240d08e1cd3ded89777d5f0599f8f915e5fe01af08c450655a1ca424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a57029240d08e1cd3ded89777d5f0599f8f915e5fe01af08c450655a1ca424", kill_on_drop: false }`
[INFO] [stdout] 41a57029240d08e1cd3ded89777d5f0599f8f915e5fe01af08c450655a1ca424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a12b0b7790edef075d4930ee22a63fe5d7ed3835460c3d5338293d19e8205936
[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" "a12b0b7790edef075d4930ee22a63fe5d7ed3835460c3d5338293d19e8205936", kill_on_drop: false }`
[INFO] [stderr] warning: crate `IntroDS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `intro_ds`
[INFO] [stderr] 
[INFO] [stderr] warning: `IntroDS` (bin "IntroDS" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/IntroDS-f7582d0b79a4b28c)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a12b0b7790edef075d4930ee22a63fe5d7ed3835460c3d5338293d19e8205936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12b0b7790edef075d4930ee22a63fe5d7ed3835460c3d5338293d19e8205936", kill_on_drop: false }`
[INFO] [stdout] a12b0b7790edef075d4930ee22a63fe5d7ed3835460c3d5338293d19e8205936