[INFO] fetching crate devserver 0.4.1...
[INFO] testing devserver-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate devserver 0.4.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate devserver 0.4.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-21/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f90fea9e88e6a8caf20806b2cf148a38deb6ad88a532ae7b0fcbd8f43b0029b9
[INFO] running `Command { std: "docker" "start" "-a" "f90fea9e88e6a8caf20806b2cf148a38deb6ad88a532ae7b0fcbd8f43b0029b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f90fea9e88e6a8caf20806b2cf148a38deb6ad88a532ae7b0fcbd8f43b0029b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90fea9e88e6a8caf20806b2cf148a38deb6ad88a532ae7b0fcbd8f43b0029b9", kill_on_drop: false }`
[INFO] [stdout] f90fea9e88e6a8caf20806b2cf148a38deb6ad88a532ae7b0fcbd8f43b0029b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4b6034fdf3d3cef0d3407e25496f3034b70864bd49d77cc383ea1daf516b91
[INFO] running `Command { std: "docker" "start" "-a" "4d4b6034fdf3d3cef0d3407e25496f3034b70864bd49d77cc383ea1daf516b91", 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 openssl v0.10.38
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[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 mio-extras v2.0.6
[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 7.16s
[INFO] running `Command { std: "docker" "inspect" "4d4b6034fdf3d3cef0d3407e25496f3034b70864bd49d77cc383ea1daf516b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4b6034fdf3d3cef0d3407e25496f3034b70864bd49d77cc383ea1daf516b91", kill_on_drop: false }`
[INFO] [stdout] 4d4b6034fdf3d3cef0d3407e25496f3034b70864bd49d77cc383ea1daf516b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f2a948c74ef3d2d95d358f91960d64b1b5fd33902745b3c23b1d09becfb8c78
[INFO] running `Command { std: "docker" "start" "-a" "0f2a948c74ef3d2d95d358f91960d64b1b5fd33902745b3c23b1d09becfb8c78", kill_on_drop: false }`
[INFO] [stderr]    Compiling devserver v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/devserver-68df2dcd45e549bc)
[INFO] running `Command { std: "docker" "inspect" "0f2a948c74ef3d2d95d358f91960d64b1b5fd33902745b3c23b1d09becfb8c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2a948c74ef3d2d95d358f91960d64b1b5fd33902745b3c23b1d09becfb8c78", kill_on_drop: false }`
[INFO] [stdout] 0f2a948c74ef3d2d95d358f91960d64b1b5fd33902745b3c23b1d09becfb8c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a67182526583eff3f7b27d7d0783be43243ad83a795aaf8fa53bad119e901db
[INFO] running `Command { std: "docker" "start" "-a" "1a67182526583eff3f7b27d7d0783be43243ad83a795aaf8fa53bad119e901db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/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" "1a67182526583eff3f7b27d7d0783be43243ad83a795aaf8fa53bad119e901db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a67182526583eff3f7b27d7d0783be43243ad83a795aaf8fa53bad119e901db", kill_on_drop: false }`
[INFO] [stdout] 1a67182526583eff3f7b27d7d0783be43243ad83a795aaf8fa53bad119e901db