[INFO] fetching crate devserver 0.4.1...
[INFO] testing devserver-0.4.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate devserver 0.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate devserver 0.4.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devserver 0.4.1
[INFO] finished tweaking crates.io crate devserver 0.4.1
[INFO] tweaked toml for crates.io crate devserver 0.4.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate devserver 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded devserver_lib v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901b4a4d69fc4f573e3fba5ad33dc7dfc3885d37f12f91fbcd727e047dd0c87a
[INFO] running `Command { std: "docker" "start" "-a" "901b4a4d69fc4f573e3fba5ad33dc7dfc3885d37f12f91fbcd727e047dd0c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901b4a4d69fc4f573e3fba5ad33dc7dfc3885d37f12f91fbcd727e047dd0c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901b4a4d69fc4f573e3fba5ad33dc7dfc3885d37f12f91fbcd727e047dd0c87a", kill_on_drop: false }`
[INFO] [stdout] 901b4a4d69fc4f573e3fba5ad33dc7dfc3885d37f12f91fbcd727e047dd0c87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f315a65b2bad8933e7df0516c333a84a8f1380009bf9745bac0f1369c04d69b
[INFO] running `Command { std: "docker" "start" "-a" "5f315a65b2bad8933e7df0516c333a84a8f1380009bf9745bac0f1369c04d69b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling devserver_lib v0.4.1
[INFO] [stderr]    Compiling devserver v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "5f315a65b2bad8933e7df0516c333a84a8f1380009bf9745bac0f1369c04d69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f315a65b2bad8933e7df0516c333a84a8f1380009bf9745bac0f1369c04d69b", kill_on_drop: false }`
[INFO] [stdout] 5f315a65b2bad8933e7df0516c333a84a8f1380009bf9745bac0f1369c04d69b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81d4b017d6c2b18102a0d912d87c105a20287cf53326c2d27198422e482052b2
[INFO] running `Command { std: "docker" "start" "-a" "81d4b017d6c2b18102a0d912d87c105a20287cf53326c2d27198422e482052b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling devserver v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "81d4b017d6c2b18102a0d912d87c105a20287cf53326c2d27198422e482052b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d4b017d6c2b18102a0d912d87c105a20287cf53326c2d27198422e482052b2", kill_on_drop: false }`
[INFO] [stdout] 81d4b017d6c2b18102a0d912d87c105a20287cf53326c2d27198422e482052b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00d469ed3d07a67be2c7433c9515eb3ee88ca1da4503fe64bb98d305e9d9f50b
[INFO] running `Command { std: "docker" "start" "-a" "00d469ed3d07a67be2c7433c9515eb3ee88ca1da4503fe64bb98d305e9d9f50b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devserver-68df2dcd45e549bc)
[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" "00d469ed3d07a67be2c7433c9515eb3ee88ca1da4503fe64bb98d305e9d9f50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d469ed3d07a67be2c7433c9515eb3ee88ca1da4503fe64bb98d305e9d9f50b", kill_on_drop: false }`
[INFO] [stdout] 00d469ed3d07a67be2c7433c9515eb3ee88ca1da4503fe64bb98d305e9d9f50b