[INFO] fetching crate qwest_r 0.2.0...
[INFO] testing qwest_r-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate qwest_r 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qwest_r 0.2.0 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 qwest_r 0.2.0
[INFO] finished tweaking crates.io crate qwest_r 0.2.0
[INFO] tweaked toml for crates.io crate qwest_r 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate qwest_r 0.2.0 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: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] 94671d238899542bd7e235b0e2bda31876c91f76fa95c5aceae0990688d003f6
[INFO] running `Command { std: "docker" "start" "-a" "94671d238899542bd7e235b0e2bda31876c91f76fa95c5aceae0990688d003f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94671d238899542bd7e235b0e2bda31876c91f76fa95c5aceae0990688d003f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94671d238899542bd7e235b0e2bda31876c91f76fa95c5aceae0990688d003f6", kill_on_drop: false }`
[INFO] [stdout] 94671d238899542bd7e235b0e2bda31876c91f76fa95c5aceae0990688d003f6
[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: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] 4ab7514557337c8374a8b26bed54adbc7825e6fc1fb356dfe2e4f38d2ee39834
[INFO] running `Command { std: "docker" "start" "-a" "4ab7514557337c8374a8b26bed54adbc7825e6fc1fb356dfe2e4f38d2ee39834", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling tcod v0.15.0
[INFO] [stderr]    Compiling qwest_r v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "4ab7514557337c8374a8b26bed54adbc7825e6fc1fb356dfe2e4f38d2ee39834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab7514557337c8374a8b26bed54adbc7825e6fc1fb356dfe2e4f38d2ee39834", kill_on_drop: false }`
[INFO] [stdout] 4ab7514557337c8374a8b26bed54adbc7825e6fc1fb356dfe2e4f38d2ee39834
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4329f8597f4773c5e1f917893834b9c9708a90b13b6ef06786790a3c6c430f
[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" "0e4329f8597f4773c5e1f917893834b9c9708a90b13b6ef06786790a3c6c430f", kill_on_drop: false }`
[INFO] [stderr]    Compiling qwest_r v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "0e4329f8597f4773c5e1f917893834b9c9708a90b13b6ef06786790a3c6c430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4329f8597f4773c5e1f917893834b9c9708a90b13b6ef06786790a3c6c430f", kill_on_drop: false }`
[INFO] [stdout] 0e4329f8597f4773c5e1f917893834b9c9708a90b13b6ef06786790a3c6c430f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0edba12d3e230923d81b373b5ba835b67e3c1e2c87cc21c997239c467ba3608b
[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" "0edba12d3e230923d81b373b5ba835b67e3c1e2c87cc21c997239c467ba3608b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qwest_r-ced852c05286cead
[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" "0edba12d3e230923d81b373b5ba835b67e3c1e2c87cc21c997239c467ba3608b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edba12d3e230923d81b373b5ba835b67e3c1e2c87cc21c997239c467ba3608b", kill_on_drop: false }`
[INFO] [stdout] 0edba12d3e230923d81b373b5ba835b67e3c1e2c87cc21c997239c467ba3608b