[INFO] cloning repository https://github.com/drhaynes/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drhaynes/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhaynes%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhaynes%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 651aa5c8f7415fac0482edb24a2708b6eab9a9ee
[INFO] testing drhaynes/hello_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhaynes%2Fhello_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drhaynes/hello_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drhaynes/hello_rust
[INFO] finished tweaking git repo https://github.com/drhaynes/hello_rust
[INFO] tweaked toml for git repo https://github.com/drhaynes/hello_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/drhaynes/hello_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded regex-syntax v0.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded regex v0.1.73
[INFO] [stderr]   Downloaded libc v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] dce340a244b8e3c54338883e0859f815c019bc5c9d03da028609fff5ac86a152
[INFO] running `Command { std: "docker" "start" "-a" "dce340a244b8e3c54338883e0859f815c019bc5c9d03da028609fff5ac86a152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce340a244b8e3c54338883e0859f815c019bc5c9d03da028609fff5ac86a152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce340a244b8e3c54338883e0859f815c019bc5c9d03da028609fff5ac86a152", kill_on_drop: false }`
[INFO] [stdout] dce340a244b8e3c54338883e0859f815c019bc5c9d03da028609fff5ac86a152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] ed28dfc70701ee73693b16cc5227053dd242f79f38090689415ad93a50a212ad
[INFO] running `Command { std: "docker" "start" "-a" "ed28dfc70701ee73693b16cc5227053dd242f79f38090689415ad93a50a212ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.3.4
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling regex v0.1.73
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "ed28dfc70701ee73693b16cc5227053dd242f79f38090689415ad93a50a212ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed28dfc70701ee73693b16cc5227053dd242f79f38090689415ad93a50a212ad", kill_on_drop: false }`
[INFO] [stdout] ed28dfc70701ee73693b16cc5227053dd242f79f38090689415ad93a50a212ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fa282c7126a69d3ddec9ea9c1f6a9876c1d6d605518c4fe73ecb18cea53cc1
[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" "26fa282c7126a69d3ddec9ea9c1f6a9876c1d6d605518c4fe73ecb18cea53cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "26fa282c7126a69d3ddec9ea9c1f6a9876c1d6d605518c4fe73ecb18cea53cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fa282c7126a69d3ddec9ea9c1f6a9876c1d6d605518c4fe73ecb18cea53cc1", kill_on_drop: false }`
[INFO] [stdout] 26fa282c7126a69d3ddec9ea9c1f6a9876c1d6d605518c4fe73ecb18cea53cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", 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] 62e7bc1f495a331683783eb672980122d344ea09599b3f641c7921dfe8b2720a
[INFO] running `Command { std: "docker" "start" "-a" "62e7bc1f495a331683783eb672980122d344ea09599b3f641c7921dfe8b2720a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-d33a446aba92be62)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_nothing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62e7bc1f495a331683783eb672980122d344ea09599b3f641c7921dfe8b2720a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e7bc1f495a331683783eb672980122d344ea09599b3f641c7921dfe8b2720a", kill_on_drop: false }`
[INFO] [stdout] 62e7bc1f495a331683783eb672980122d344ea09599b3f641c7921dfe8b2720a