[INFO] fetching crate devloop 0.2.2...
[INFO] testing devloop-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate devloop 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate devloop 0.2.2 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 devloop 0.2.2
[INFO] finished tweaking crates.io crate devloop 0.2.2
[INFO] tweaked toml for crates.io crate devloop 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate devloop 0.2.2 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2ac7867e17d1ac542fb973a53b122db9d34cc367bebae5ae6a2e0591e3adc6fe
[INFO] running `Command { std: "docker" "start" "-a" "2ac7867e17d1ac542fb973a53b122db9d34cc367bebae5ae6a2e0591e3adc6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac7867e17d1ac542fb973a53b122db9d34cc367bebae5ae6a2e0591e3adc6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac7867e17d1ac542fb973a53b122db9d34cc367bebae5ae6a2e0591e3adc6fe", kill_on_drop: false }`
[INFO] [stdout] 2ac7867e17d1ac542fb973a53b122db9d34cc367bebae5ae6a2e0591e3adc6fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5dacc092e8e657629c318823fa073f3c5dd7a22022355479eb9aadb8f9ab5a93
[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" "5dacc092e8e657629c318823fa073f3c5dd7a22022355479eb9aadb8f9ab5a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.7.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling crossterm v0.18.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling devloop v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.40s
[INFO] running `Command { std: "docker" "inspect" "5dacc092e8e657629c318823fa073f3c5dd7a22022355479eb9aadb8f9ab5a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dacc092e8e657629c318823fa073f3c5dd7a22022355479eb9aadb8f9ab5a93", kill_on_drop: false }`
[INFO] [stdout] 5dacc092e8e657629c318823fa073f3c5dd7a22022355479eb9aadb8f9ab5a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 71c4a6d2cb3c51ecaf7eec9388630a67fbb524c5c261f328f1d4d547b55c742a
[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" "71c4a6d2cb3c51ecaf7eec9388630a67fbb524c5c261f328f1d4d547b55c742a", kill_on_drop: false }`
[INFO] [stderr]    Compiling devloop v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "71c4a6d2cb3c51ecaf7eec9388630a67fbb524c5c261f328f1d4d547b55c742a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c4a6d2cb3c51ecaf7eec9388630a67fbb524c5c261f328f1d4d547b55c742a", kill_on_drop: false }`
[INFO] [stdout] 71c4a6d2cb3c51ecaf7eec9388630a67fbb524c5c261f328f1d4d547b55c742a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5a226b972e143e6df4f3f60174d27d0d4fa370fe0e0f2f0f2e5ffecc62051e69
[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" "5a226b972e143e6df4f3f60174d27d0d4fa370fe0e0f2f0f2e5ffecc62051e69", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/devloop-e14c848d15836492
[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" "5a226b972e143e6df4f3f60174d27d0d4fa370fe0e0f2f0f2e5ffecc62051e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a226b972e143e6df4f3f60174d27d0d4fa370fe0e0f2f0f2e5ffecc62051e69", kill_on_drop: false }`
[INFO] [stdout] 5a226b972e143e6df4f3f60174d27d0d4fa370fe0e0f2f0f2e5ffecc62051e69