[INFO] fetching crate devserver 0.1.7...
[INFO] testing devserver-0.1.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate devserver 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate devserver 0.1.7 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 devserver 0.1.7
[INFO] finished tweaking crates.io crate devserver 0.1.7
[INFO] tweaked toml for crates.io crate devserver 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate devserver 0.1.7 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1bde604f2ea7d1590b583b65ce271fa0548f0c3b30a91713726ac0bbd31a5b2b
[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" "1bde604f2ea7d1590b583b65ce271fa0548f0c3b30a91713726ac0bbd31a5b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bde604f2ea7d1590b583b65ce271fa0548f0c3b30a91713726ac0bbd31a5b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bde604f2ea7d1590b583b65ce271fa0548f0c3b30a91713726ac0bbd31a5b2b", kill_on_drop: false }`
[INFO] [stdout] 1bde604f2ea7d1590b583b65ce271fa0548f0c3b30a91713726ac0bbd31a5b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a89f6dd1bbacd7e9507f793f288f7e93727ead39082c6a83aa21a6bf4cfde8d8
[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" "a89f6dd1bbacd7e9507f793f288f7e93727ead39082c6a83aa21a6bf4cfde8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling devserver_lib v0.1.7
[INFO] [stderr]    Compiling devserver v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.46s
[INFO] running `Command { std: "docker" "inspect" "a89f6dd1bbacd7e9507f793f288f7e93727ead39082c6a83aa21a6bf4cfde8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89f6dd1bbacd7e9507f793f288f7e93727ead39082c6a83aa21a6bf4cfde8d8", kill_on_drop: false }`
[INFO] [stdout] a89f6dd1bbacd7e9507f793f288f7e93727ead39082c6a83aa21a6bf4cfde8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 61b2296b108b4a685b0dad71a9c9499e94f2349c60befc948babfe011fb5e368
[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" "61b2296b108b4a685b0dad71a9c9499e94f2349c60befc948babfe011fb5e368", kill_on_drop: false }`
[INFO] [stderr]    Compiling devserver v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "61b2296b108b4a685b0dad71a9c9499e94f2349c60befc948babfe011fb5e368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b2296b108b4a685b0dad71a9c9499e94f2349c60befc948babfe011fb5e368", kill_on_drop: false }`
[INFO] [stdout] 61b2296b108b4a685b0dad71a9c9499e94f2349c60befc948babfe011fb5e368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5bdf89b334ae3f06cd54998beb4cfe895efb99a49b7f6bf5e18a36207a53c730
[INFO] running `Command { std: "docker" "start" "-a" "5bdf89b334ae3f06cd54998beb4cfe895efb99a49b7f6bf5e18a36207a53c730", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/devserver-0f3b5815b1af645d
[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" "5bdf89b334ae3f06cd54998beb4cfe895efb99a49b7f6bf5e18a36207a53c730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdf89b334ae3f06cd54998beb4cfe895efb99a49b7f6bf5e18a36207a53c730", kill_on_drop: false }`
[INFO] [stdout] 5bdf89b334ae3f06cd54998beb4cfe895efb99a49b7f6bf5e18a36207a53c730