[INFO] cloning repository https://github.com/mugdhalakhani/rust-projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mugdhalakhani/rust-projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugdhalakhani%2Frust-projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugdhalakhani%2Frust-projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e17b92f17205c82d8374b969a9a7c5a9c2294372
[INFO] testing mugdhalakhani/rust-projects against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugdhalakhani%2Frust-projects" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mugdhalakhani/rust-projects 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/mugdhalakhani/rust-projects
[INFO] finished tweaking git repo https://github.com/mugdhalakhani/rust-projects
[INFO] tweaked toml for git repo https://github.com/mugdhalakhani/rust-projects written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mugdhalakhani/rust-projects 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] e4ae1c3e3ae1884fbb4147a56d282295f9af7b7cffc7785c84b89f65fe50e604
[INFO] running `Command { std: "docker" "start" "-a" "e4ae1c3e3ae1884fbb4147a56d282295f9af7b7cffc7785c84b89f65fe50e604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ae1c3e3ae1884fbb4147a56d282295f9af7b7cffc7785c84b89f65fe50e604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ae1c3e3ae1884fbb4147a56d282295f9af7b7cffc7785c84b89f65fe50e604", kill_on_drop: false }`
[INFO] [stdout] e4ae1c3e3ae1884fbb4147a56d282295f9af7b7cffc7785c84b89f65fe50e604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b71788d8decfd703a153d75a415f0a10049b0d3d5d186047501a270bc3d99110
[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" "b71788d8decfd703a153d75a415f0a10049b0d3d5d186047501a270bc3d99110", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "b71788d8decfd703a153d75a415f0a10049b0d3d5d186047501a270bc3d99110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71788d8decfd703a153d75a415f0a10049b0d3d5d186047501a270bc3d99110", kill_on_drop: false }`
[INFO] [stdout] b71788d8decfd703a153d75a415f0a10049b0d3d5d186047501a270bc3d99110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 06378908aa946895e2797e5a7395804bdca60955d10db83859ed09973b8a5481
[INFO] running `Command { std: "docker" "start" "-a" "06378908aa946895e2797e5a7395804bdca60955d10db83859ed09973b8a5481", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "06378908aa946895e2797e5a7395804bdca60955d10db83859ed09973b8a5481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06378908aa946895e2797e5a7395804bdca60955d10db83859ed09973b8a5481", kill_on_drop: false }`
[INFO] [stdout] 06378908aa946895e2797e5a7395804bdca60955d10db83859ed09973b8a5481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9054daa1f6b0798fe3c221ddb530203969f89d514767f641b6f77db4c6f04d20
[INFO] running `Command { std: "docker" "start" "-a" "9054daa1f6b0798fe3c221ddb530203969f89d514767f641b6f77db4c6f04d20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_sandbox-5de1de03ff699228
[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" "9054daa1f6b0798fe3c221ddb530203969f89d514767f641b6f77db4c6f04d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9054daa1f6b0798fe3c221ddb530203969f89d514767f641b6f77db4c6f04d20", kill_on_drop: false }`
[INFO] [stdout] 9054daa1f6b0798fe3c221ddb530203969f89d514767f641b6f77db4c6f04d20