[INFO] fetching crate json-tcp-server 0.0.0...
[INFO] testing json-tcp-server-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate json-tcp-server 0.0.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate json-tcp-server 0.0.0 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 json-tcp-server 0.0.0
[INFO] finished tweaking crates.io crate json-tcp-server 0.0.0
[INFO] tweaked toml for crates.io crate json-tcp-server 0.0.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 35029680ffd48605a59f8b2abfbe3ef63ca9cd7cce5e9488adaded17616ada95
[INFO] running `Command { std: "docker" "start" "-a" "35029680ffd48605a59f8b2abfbe3ef63ca9cd7cce5e9488adaded17616ada95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35029680ffd48605a59f8b2abfbe3ef63ca9cd7cce5e9488adaded17616ada95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35029680ffd48605a59f8b2abfbe3ef63ca9cd7cce5e9488adaded17616ada95", kill_on_drop: false }`
[INFO] [stdout] 35029680ffd48605a59f8b2abfbe3ef63ca9cd7cce5e9488adaded17616ada95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 1f73b0d6151870363e46dede2d240bd6f532be0fb08472babf18a1a1def3ca5d
[INFO] running `Command { std: "docker" "start" "-a" "1f73b0d6151870363e46dede2d240bd6f532be0fb08472babf18a1a1def3ca5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-tcp-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1f73b0d6151870363e46dede2d240bd6f532be0fb08472babf18a1a1def3ca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f73b0d6151870363e46dede2d240bd6f532be0fb08472babf18a1a1def3ca5d", kill_on_drop: false }`
[INFO] [stdout] 1f73b0d6151870363e46dede2d240bd6f532be0fb08472babf18a1a1def3ca5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] d97bcabfb3e7868dac7be4fa3e19918e04df713798d81dcde475213fa696de2d
[INFO] running `Command { std: "docker" "start" "-a" "d97bcabfb3e7868dac7be4fa3e19918e04df713798d81dcde475213fa696de2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-tcp-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_tcp_server-7846eab65c671d6c)
[INFO] running `Command { std: "docker" "inspect" "d97bcabfb3e7868dac7be4fa3e19918e04df713798d81dcde475213fa696de2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97bcabfb3e7868dac7be4fa3e19918e04df713798d81dcde475213fa696de2d", kill_on_drop: false }`
[INFO] [stdout] d97bcabfb3e7868dac7be4fa3e19918e04df713798d81dcde475213fa696de2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 340bf7800a12c8f7ac417546e5807c17f7a4dd74159ae7bd72c6ba93a37e0a85
[INFO] running `Command { std: "docker" "start" "-a" "340bf7800a12c8f7ac417546e5807c17f7a4dd74159ae7bd72c6ba93a37e0a85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_tcp_server-7846eab65c671d6c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-tcp-server
[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" "340bf7800a12c8f7ac417546e5807c17f7a4dd74159ae7bd72c6ba93a37e0a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340bf7800a12c8f7ac417546e5807c17f7a4dd74159ae7bd72c6ba93a37e0a85", kill_on_drop: false }`
[INFO] [stdout] 340bf7800a12c8f7ac417546e5807c17f7a4dd74159ae7bd72c6ba93a37e0a85