[INFO] fetching crate cargo-devserver 0.1.0...
[INFO] testing cargo-devserver-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate cargo-devserver 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate cargo-devserver 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-devserver 0.1.0
[INFO] finished tweaking crates.io crate cargo-devserver 0.1.0
[INFO] tweaked toml for crates.io crate cargo-devserver 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate cargo-devserver 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1292adaf88b855d63bc12f6f5c3d00de17505bdd97f872bde6fe5b89e451f852
[INFO] running `Command { std: "docker" "start" "-a" "1292adaf88b855d63bc12f6f5c3d00de17505bdd97f872bde6fe5b89e451f852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1292adaf88b855d63bc12f6f5c3d00de17505bdd97f872bde6fe5b89e451f852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1292adaf88b855d63bc12f6f5c3d00de17505bdd97f872bde6fe5b89e451f852", kill_on_drop: false }`
[INFO] [stdout] 1292adaf88b855d63bc12f6f5c3d00de17505bdd97f872bde6fe5b89e451f852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a3248c5ec9612df5252e42f79b5729e5e68f563954e95aefdd39303b9a460af
[INFO] running `Command { std: "docker" "start" "-a" "0a3248c5ec9612df5252e42f79b5729e5e68f563954e95aefdd39303b9a460af", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling cargo-devserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.75s
[INFO] running `Command { std: "docker" "inspect" "0a3248c5ec9612df5252e42f79b5729e5e68f563954e95aefdd39303b9a460af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3248c5ec9612df5252e42f79b5729e5e68f563954e95aefdd39303b9a460af", kill_on_drop: false }`
[INFO] [stdout] 0a3248c5ec9612df5252e42f79b5729e5e68f563954e95aefdd39303b9a460af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34559a8891ff2fa9046faa02f75bfd9abd6c5ea2572355f8232bec87ee387eb6
[INFO] running `Command { std: "docker" "start" "-a" "34559a8891ff2fa9046faa02f75bfd9abd6c5ea2572355f8232bec87ee387eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-devserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "34559a8891ff2fa9046faa02f75bfd9abd6c5ea2572355f8232bec87ee387eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34559a8891ff2fa9046faa02f75bfd9abd6c5ea2572355f8232bec87ee387eb6", kill_on_drop: false }`
[INFO] [stdout] 34559a8891ff2fa9046faa02f75bfd9abd6c5ea2572355f8232bec87ee387eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71e042e5eeefe2cf1183ac6ae32bdb99bcaa71f23140a4ccffb2b9cdc0a4ced7
[INFO] running `Command { std: "docker" "start" "-a" "71e042e5eeefe2cf1183ac6ae32bdb99bcaa71f23140a4ccffb2b9cdc0a4ced7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_devserver-f10ede61de1db512)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71e042e5eeefe2cf1183ac6ae32bdb99bcaa71f23140a4ccffb2b9cdc0a4ced7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e042e5eeefe2cf1183ac6ae32bdb99bcaa71f23140a4ccffb2b9cdc0a4ced7", kill_on_drop: false }`
[INFO] [stdout] 71e042e5eeefe2cf1183ac6ae32bdb99bcaa71f23140a4ccffb2b9cdc0a4ced7