[INFO] cloning repository https://github.com/Paqura/Rust-Crash-Course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Paqura/Rust-Crash-Course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaqura%2FRust-Crash-Course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaqura%2FRust-Crash-Course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ee1282908c8d8dbdafd035259e55bc700ec30f0
[INFO] testing Paqura/Rust-Crash-Course against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaqura%2FRust-Crash-Course" "/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/Paqura/Rust-Crash-Course 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/Paqura/Rust-Crash-Course
[INFO] finished tweaking git repo https://github.com/Paqura/Rust-Crash-Course
[INFO] tweaked toml for git repo https://github.com/Paqura/Rust-Crash-Course written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Paqura/Rust-Crash-Course 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 083454bd543439a522d73b3d76e065f471c7b820f7252ba7b73166123009de65
[INFO] running `Command { std: "docker" "start" "-a" "083454bd543439a522d73b3d76e065f471c7b820f7252ba7b73166123009de65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083454bd543439a522d73b3d76e065f471c7b820f7252ba7b73166123009de65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083454bd543439a522d73b3d76e065f471c7b820f7252ba7b73166123009de65", kill_on_drop: false }`
[INFO] [stdout] 083454bd543439a522d73b3d76e065f471c7b820f7252ba7b73166123009de65
[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" "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] 2874f04a8fff6fd1967106d9bdecfe01e20bdc5282e9875d0203ea28a8e7b8a9
[INFO] running `Command { std: "docker" "start" "-a" "2874f04a8fff6fd1967106d9bdecfe01e20bdc5282e9875d0203ea28a8e7b8a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "2874f04a8fff6fd1967106d9bdecfe01e20bdc5282e9875d0203ea28a8e7b8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2874f04a8fff6fd1967106d9bdecfe01e20bdc5282e9875d0203ea28a8e7b8a9", kill_on_drop: false }`
[INFO] [stdout] 2874f04a8fff6fd1967106d9bdecfe01e20bdc5282e9875d0203ea28a8e7b8a9
[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" "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] 5df4cf4f8a49e827bd86d5cecb7393f7aba1fc5fd43b4fe3727e2fdafc2af4d9
[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" "5df4cf4f8a49e827bd86d5cecb7393f7aba1fc5fd43b4fe3727e2fdafc2af4d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "5df4cf4f8a49e827bd86d5cecb7393f7aba1fc5fd43b4fe3727e2fdafc2af4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df4cf4f8a49e827bd86d5cecb7393f7aba1fc5fd43b4fe3727e2fdafc2af4d9", kill_on_drop: false }`
[INFO] [stdout] 5df4cf4f8a49e827bd86d5cecb7393f7aba1fc5fd43b4fe3727e2fdafc2af4d9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74815b2629125f8b17c24da30e4f98307ad1216b817d3b685873057d338e1bae
[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" "74815b2629125f8b17c24da30e4f98307ad1216b817d3b685873057d338e1bae", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_crash_course-b2e3a0726f986d9c
[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" "74815b2629125f8b17c24da30e4f98307ad1216b817d3b685873057d338e1bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74815b2629125f8b17c24da30e4f98307ad1216b817d3b685873057d338e1bae", kill_on_drop: false }`
[INFO] [stdout] 74815b2629125f8b17c24da30e4f98307ad1216b817d3b685873057d338e1bae