[INFO] fetching crate cargo-print 0.1.4...
[INFO] testing cargo-print-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-print 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-print 0.1.4 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 cargo-print 0.1.4
[INFO] finished tweaking crates.io crate cargo-print 0.1.4
[INFO] tweaked toml for crates.io crate cargo-print 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-print 0.1.4 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] 74e7b6b842f5b36f1578c5b77a01408b97373ab789a97f988012cf2966a89b3f
[INFO] running `Command { std: "docker" "start" "-a" "74e7b6b842f5b36f1578c5b77a01408b97373ab789a97f988012cf2966a89b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e7b6b842f5b36f1578c5b77a01408b97373ab789a97f988012cf2966a89b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e7b6b842f5b36f1578c5b77a01408b97373ab789a97f988012cf2966a89b3f", kill_on_drop: false }`
[INFO] [stdout] 74e7b6b842f5b36f1578c5b77a01408b97373ab789a97f988012cf2966a89b3f
[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] [stdout] cafe4970a3627007d725bb3ece7552e929f18da60908e283596d7d49d17fbe81
[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" "cafe4970a3627007d725bb3ece7552e929f18da60908e283596d7d49d17fbe81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr]    Compiling cargo-print v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.67s
[INFO] running `Command { std: "docker" "inspect" "cafe4970a3627007d725bb3ece7552e929f18da60908e283596d7d49d17fbe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafe4970a3627007d725bb3ece7552e929f18da60908e283596d7d49d17fbe81", kill_on_drop: false }`
[INFO] [stdout] cafe4970a3627007d725bb3ece7552e929f18da60908e283596d7d49d17fbe81
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14e4caa1fc8e091be2bc1e71eb3ce0bbfb602f3bae007ef29adbc7c41ff7334c
[INFO] running `Command { std: "docker" "start" "-a" "14e4caa1fc8e091be2bc1e71eb3ce0bbfb602f3bae007ef29adbc7c41ff7334c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-print v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "14e4caa1fc8e091be2bc1e71eb3ce0bbfb602f3bae007ef29adbc7c41ff7334c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e4caa1fc8e091be2bc1e71eb3ce0bbfb602f3bae007ef29adbc7c41ff7334c", kill_on_drop: false }`
[INFO] [stdout] 14e4caa1fc8e091be2bc1e71eb3ce0bbfb602f3bae007ef29adbc7c41ff7334c
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4db78d325fc5a1e9d7d040db043f317e69cdbbfedd1eecb029e3f697cbb7e134
[INFO] running `Command { std: "docker" "start" "-a" "4db78d325fc5a1e9d7d040db043f317e69cdbbfedd1eecb029e3f697cbb7e134", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_print-d40f2248ad16bb91
[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" "4db78d325fc5a1e9d7d040db043f317e69cdbbfedd1eecb029e3f697cbb7e134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db78d325fc5a1e9d7d040db043f317e69cdbbfedd1eecb029e3f697cbb7e134", kill_on_drop: false }`
[INFO] [stdout] 4db78d325fc5a1e9d7d040db043f317e69cdbbfedd1eecb029e3f697cbb7e134