[INFO] fetching crate devd-rs 0.3.1...
[INFO] testing devd-rs-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate devd-rs 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate devd-rs 0.3.1 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 devd-rs 0.3.1
[INFO] finished tweaking crates.io crate devd-rs 0.3.1
[INFO] tweaked toml for crates.io crate devd-rs 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate devd-rs 0.3.1 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] [stdout] 7a02e539c71cb3698b4a77e41bdfe759191cd51b989f46c8df04c4f1b6c3ecaf
[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" "7a02e539c71cb3698b4a77e41bdfe759191cd51b989f46c8df04c4f1b6c3ecaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a02e539c71cb3698b4a77e41bdfe759191cd51b989f46c8df04c4f1b6c3ecaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a02e539c71cb3698b4a77e41bdfe759191cd51b989f46c8df04c4f1b6c3ecaf", kill_on_drop: false }`
[INFO] [stdout] 7a02e539c71cb3698b4a77e41bdfe759191cd51b989f46c8df04c4f1b6c3ecaf
[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] 54a8c7e1c47259d969f33088d8f3a1fa16ab6db2da26099476c9625a7edaa393
[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" "54a8c7e1c47259d969f33088d8f3a1fa16ab6db2da26099476c9625a7edaa393", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling devd-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `Command { std: "docker" "inspect" "54a8c7e1c47259d969f33088d8f3a1fa16ab6db2da26099476c9625a7edaa393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a8c7e1c47259d969f33088d8f3a1fa16ab6db2da26099476c9625a7edaa393", kill_on_drop: false }`
[INFO] [stdout] 54a8c7e1c47259d969f33088d8f3a1fa16ab6db2da26099476c9625a7edaa393
[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] 42112e83d74d31f039a7e32d9b190f0e4e8c016cb77cbdc6c729371aec879977
[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" "42112e83d74d31f039a7e32d9b190f0e4e8c016cb77cbdc6c729371aec879977", kill_on_drop: false }`
[INFO] [stderr]    Compiling devd-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "42112e83d74d31f039a7e32d9b190f0e4e8c016cb77cbdc6c729371aec879977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42112e83d74d31f039a7e32d9b190f0e4e8c016cb77cbdc6c729371aec879977", kill_on_drop: false }`
[INFO] [stdout] 42112e83d74d31f039a7e32d9b190f0e4e8c016cb77cbdc6c729371aec879977
[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] 305d7f32a39a085fe9e60d9d4d2f16adb2e2eab09b1f261e1784b8fcd450432f
[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" "305d7f32a39a085fe9e60d9d4d2f16adb2e2eab09b1f261e1784b8fcd450432f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/devd_rs-04e2bf5b00fea56e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parser::tests::test_nomatch ... ok
[INFO] [stdout] test parser::tests::test_attach ... ok
[INFO] [stdout] test parser::tests::test_detach ... ok
[INFO] [stdout] test parser::tests::test_notify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devd-rs
[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" "305d7f32a39a085fe9e60d9d4d2f16adb2e2eab09b1f261e1784b8fcd450432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305d7f32a39a085fe9e60d9d4d2f16adb2e2eab09b1f261e1784b8fcd450432f", kill_on_drop: false }`
[INFO] [stdout] 305d7f32a39a085fe9e60d9d4d2f16adb2e2eab09b1f261e1784b8fcd450432f