[INFO] fetching crate rserver 0.1.4...
[INFO] testing rserver-0.1.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rserver 0.1.4 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate rserver 0.1.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rserver 0.1.4
[INFO] finished tweaking crates.io crate rserver 0.1.4
[INFO] tweaked toml for crates.io crate rserver 0.1.4 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate rserver 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad116d8f5b47721acb2842652af6ef8a954f964c50ff6628da17c5e5f822cd4
[INFO] running `Command { std: "docker" "start" "-a" "1ad116d8f5b47721acb2842652af6ef8a954f964c50ff6628da17c5e5f822cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad116d8f5b47721acb2842652af6ef8a954f964c50ff6628da17c5e5f822cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad116d8f5b47721acb2842652af6ef8a954f964c50ff6628da17c5e5f822cd4", kill_on_drop: false }`
[INFO] [stdout] 1ad116d8f5b47721acb2842652af6ef8a954f964c50ff6628da17c5e5f822cd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4f0f15ed1d50b618772076e67c953af776905af441a97521a07b5d4ca5b2a4
[INFO] running `Command { std: "docker" "start" "-a" "8f4f0f15ed1d50b618772076e67c953af776905af441a97521a07b5d4ca5b2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rserver v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "8f4f0f15ed1d50b618772076e67c953af776905af441a97521a07b5d4ca5b2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4f0f15ed1d50b618772076e67c953af776905af441a97521a07b5d4ca5b2a4", kill_on_drop: false }`
[INFO] [stdout] 8f4f0f15ed1d50b618772076e67c953af776905af441a97521a07b5d4ca5b2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a1a66e1425e4f99cf5b3efba8695bae1105531d854f4d4be93d0b5e4f48c69
[INFO] running `Command { std: "docker" "start" "-a" "39a1a66e1425e4f99cf5b3efba8695bae1105531d854f4d4be93d0b5e4f48c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling rserver v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "39a1a66e1425e4f99cf5b3efba8695bae1105531d854f4d4be93d0b5e4f48c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a1a66e1425e4f99cf5b3efba8695bae1105531d854f4d4be93d0b5e4f48c69", kill_on_drop: false }`
[INFO] [stdout] 39a1a66e1425e4f99cf5b3efba8695bae1105531d854f4d4be93d0b5e4f48c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1c51c44ff31ff09821531827fbaf9c3a5abfd391dd811c37732b6cfec932a61
[INFO] running `Command { std: "docker" "start" "-a" "c1c51c44ff31ff09821531827fbaf9c3a5abfd391dd811c37732b6cfec932a61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rserver-8c84cea6d1d0816f)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rserver-f94f30a0a566e231)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rserver
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - start_server (line 13) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1c51c44ff31ff09821531827fbaf9c3a5abfd391dd811c37732b6cfec932a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c51c44ff31ff09821531827fbaf9c3a5abfd391dd811c37732b6cfec932a61", kill_on_drop: false }`
[INFO] [stdout] c1c51c44ff31ff09821531827fbaf9c3a5abfd391dd811c37732b6cfec932a61