[INFO] fetching crate trovo 0.4.0...
[INFO] testing trovo-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate trovo 0.4.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate trovo 0.4.0 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 trovo 0.4.0
[INFO] finished tweaking crates.io crate trovo 0.4.0
[INFO] tweaked toml for crates.io crate trovo 0.4.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate trovo 0.4.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tungstenite v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] bc7b7028c408f2e2eb18a230d65d6a35946c7b46e69847b60b48f491ee49a0e4
[INFO] running `Command { std: "docker" "start" "-a" "bc7b7028c408f2e2eb18a230d65d6a35946c7b46e69847b60b48f491ee49a0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7b7028c408f2e2eb18a230d65d6a35946c7b46e69847b60b48f491ee49a0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7b7028c408f2e2eb18a230d65d6a35946c7b46e69847b60b48f491ee49a0e4", kill_on_drop: false }`
[INFO] [stdout] bc7b7028c408f2e2eb18a230d65d6a35946c7b46e69847b60b48f491ee49a0e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f3c6883ad9b173bd01276ad2f1ea2187e1cb6df6dba7115b89d58cd657d52c8d
[INFO] running `Command { std: "docker" "start" "-a" "f3c6883ad9b173bd01276ad2f1ea2187e1cb6df6dba7115b89d58cd657d52c8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling async-tungstenite v0.14.0
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_with v1.9.4
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling trovo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.16s
[INFO] running `Command { std: "docker" "inspect" "f3c6883ad9b173bd01276ad2f1ea2187e1cb6df6dba7115b89d58cd657d52c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c6883ad9b173bd01276ad2f1ea2187e1cb6df6dba7115b89d58cd657d52c8d", kill_on_drop: false }`
[INFO] [stdout] f3c6883ad9b173bd01276ad2f1ea2187e1cb6df6dba7115b89d58cd657d52c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] eba47eee501767a95adf015dfae674ba11fe4f602983093fba5f89e7c9879c09
[INFO] running `Command { std: "docker" "start" "-a" "eba47eee501767a95adf015dfae674ba11fe4f602983093fba5f89e7c9879c09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trovo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `Command { std: "docker" "inspect" "eba47eee501767a95adf015dfae674ba11fe4f602983093fba5f89e7c9879c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba47eee501767a95adf015dfae674ba11fe4f602983093fba5f89e7c9879c09", kill_on_drop: false }`
[INFO] [stdout] eba47eee501767a95adf015dfae674ba11fe4f602983093fba5f89e7c9879c09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1d7516260ca017a239c93bcfb3728f1d047854116c8374c408c39be5f76a8016
[INFO] running `Command { std: "docker" "start" "-a" "1d7516260ca017a239c93bcfb3728f1d047854116c8374c408c39be5f76a8016", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trovo-1e6a1b4572882673)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests trovo
[INFO] [stdout] test chat::socket::tests::cancel_on_drop ... ok
[INFO] [stdout] test chat::socket::tests::ping_pong ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d7516260ca017a239c93bcfb3728f1d047854116c8374c408c39be5f76a8016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7516260ca017a239c93bcfb3728f1d047854116c8374c408c39be5f76a8016", kill_on_drop: false }`
[INFO] [stdout] 1d7516260ca017a239c93bcfb3728f1d047854116c8374c408c39be5f76a8016