[INFO] fetching crate fxghqc-rust-hello-world 0.1.0...
[INFO] testing fxghqc-rust-hello-world-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fxghqc-rust-hello-world 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fxghqc-rust-hello-world 0.1.0 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 crates.io crate fxghqc-rust-hello-world 0.1.0
[INFO] finished tweaking crates.io crate fxghqc-rust-hello-world 0.1.0
[INFO] tweaked toml for crates.io crate fxghqc-rust-hello-world 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] a3c92435d272cc8bd52a67ea013231613415d2e809a8cd91160e25feb47285b5
[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" "a3c92435d272cc8bd52a67ea013231613415d2e809a8cd91160e25feb47285b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c92435d272cc8bd52a67ea013231613415d2e809a8cd91160e25feb47285b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c92435d272cc8bd52a67ea013231613415d2e809a8cd91160e25feb47285b5", kill_on_drop: false }`
[INFO] [stdout] a3c92435d272cc8bd52a67ea013231613415d2e809a8cd91160e25feb47285b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5a475a2f9b91d3681c54207d9129615c59cc888a87ebd3a74e0d7739e3d1e84
[INFO] running `Command { std: "docker" "start" "-a" "a5a475a2f9b91d3681c54207d9129615c59cc888a87ebd3a74e0d7739e3d1e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling fxghqc-rust-hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a5a475a2f9b91d3681c54207d9129615c59cc888a87ebd3a74e0d7739e3d1e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a475a2f9b91d3681c54207d9129615c59cc888a87ebd3a74e0d7739e3d1e84", kill_on_drop: false }`
[INFO] [stdout] a5a475a2f9b91d3681c54207d9129615c59cc888a87ebd3a74e0d7739e3d1e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 967c75b0aebfcee2869f83a44e2b9bdc2aed0bef9f573d2f4dd85a2aa04064f2
[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" "967c75b0aebfcee2869f83a44e2b9bdc2aed0bef9f573d2f4dd85a2aa04064f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fxghqc-rust-hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "967c75b0aebfcee2869f83a44e2b9bdc2aed0bef9f573d2f4dd85a2aa04064f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967c75b0aebfcee2869f83a44e2b9bdc2aed0bef9f573d2f4dd85a2aa04064f2", kill_on_drop: false }`
[INFO] [stdout] 967c75b0aebfcee2869f83a44e2b9bdc2aed0bef9f573d2f4dd85a2aa04064f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 068236b7a664efe52e4cbe0536d4af6466a526651721b000ad91b417561a95aa
[INFO] running `Command { std: "docker" "start" "-a" "068236b7a664efe52e4cbe0536d4af6466a526651721b000ad91b417561a95aa", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fxghqc_rust_hello_world-735b66d5207dd133
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fxghqc-rust-hello-world
[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" "068236b7a664efe52e4cbe0536d4af6466a526651721b000ad91b417561a95aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068236b7a664efe52e4cbe0536d4af6466a526651721b000ad91b417561a95aa", kill_on_drop: false }`
[INFO] [stdout] 068236b7a664efe52e4cbe0536d4af6466a526651721b000ad91b417561a95aa