[INFO] fetching crate epimetheus 0.7.1...
[INFO] testing epimetheus-0.7.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epimetheus 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate epimetheus 0.7.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epimetheus 0.7.1
[INFO] finished tweaking crates.io crate epimetheus 0.7.1
[INFO] tweaked toml for crates.io crate epimetheus 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate epimetheus 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cca9719eb0ba6ca8b2edfa44b2bc76c3937988e21418686fc7e73368350d96
[INFO] running `Command { std: "docker" "start" "-a" "47cca9719eb0ba6ca8b2edfa44b2bc76c3937988e21418686fc7e73368350d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cca9719eb0ba6ca8b2edfa44b2bc76c3937988e21418686fc7e73368350d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cca9719eb0ba6ca8b2edfa44b2bc76c3937988e21418686fc7e73368350d96", kill_on_drop: false }`
[INFO] [stdout] 47cca9719eb0ba6ca8b2edfa44b2bc76c3937988e21418686fc7e73368350d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae1aab3bd4e3caebf48868aba6dfa9cd9459c77a20f3bfc521bef486218ee3f3
[INFO] running `Command { std: "docker" "start" "-a" "ae1aab3bd4e3caebf48868aba6dfa9cd9459c77a20f3bfc521bef486218ee3f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling epimetheus v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "ae1aab3bd4e3caebf48868aba6dfa9cd9459c77a20f3bfc521bef486218ee3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1aab3bd4e3caebf48868aba6dfa9cd9459c77a20f3bfc521bef486218ee3f3", kill_on_drop: false }`
[INFO] [stdout] ae1aab3bd4e3caebf48868aba6dfa9cd9459c77a20f3bfc521bef486218ee3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf75e0bd36a5981e007dd9fa483e30d8d72fdff901db2930ef442375d0f61f8
[INFO] running `Command { std: "docker" "start" "-a" "8bf75e0bd36a5981e007dd9fa483e30d8d72fdff901db2930ef442375d0f61f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling epimetheus v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "8bf75e0bd36a5981e007dd9fa483e30d8d72fdff901db2930ef442375d0f61f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf75e0bd36a5981e007dd9fa483e30d8d72fdff901db2930ef442375d0f61f8", kill_on_drop: false }`
[INFO] [stdout] 8bf75e0bd36a5981e007dd9fa483e30d8d72fdff901db2930ef442375d0f61f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faf5fe1bdf51ee5d1c8c46810f4088c28319daf62f2b07c8ca357f79344ec90a
[INFO] running `Command { std: "docker" "start" "-a" "faf5fe1bdf51ee5d1c8c46810f4088c28319daf62f2b07c8ca357f79344ec90a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/epimetheus-67a5bc9047f7331b)
[INFO] [stdout] test tests::test_non_http ... ok
[INFO] [stderr]    Doc-tests epimetheus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - spawn_http_server (line 293) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - query (line 270) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faf5fe1bdf51ee5d1c8c46810f4088c28319daf62f2b07c8ca357f79344ec90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf5fe1bdf51ee5d1c8c46810f4088c28319daf62f2b07c8ca357f79344ec90a", kill_on_drop: false }`
[INFO] [stdout] faf5fe1bdf51ee5d1c8c46810f4088c28319daf62f2b07c8ca357f79344ec90a