[INFO] fetching crate tcp-stream-echo 0.1.0...
[INFO] testing tcp-stream-echo-0.1.0 against 1.79.0 for beta-1.80-4
[INFO] extracting crate tcp-stream-echo 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tcp-stream-echo 0.1.0 on toolchain 1.79.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp-stream-echo 0.1.0
[INFO] finished tweaking crates.io crate tcp-stream-echo 0.1.0
[INFO] tweaked toml for crates.io crate tcp-stream-echo 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.79.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d96130b681f21246481c2c2af74ce78fdb801c46ff38daf841226dceefe1a8f3
[INFO] running `Command { std: "docker" "start" "-a" "d96130b681f21246481c2c2af74ce78fdb801c46ff38daf841226dceefe1a8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d96130b681f21246481c2c2af74ce78fdb801c46ff38daf841226dceefe1a8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96130b681f21246481c2c2af74ce78fdb801c46ff38daf841226dceefe1a8f3", kill_on_drop: false }`
[INFO] [stdout] d96130b681f21246481c2c2af74ce78fdb801c46ff38daf841226dceefe1a8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4a4d616014bb29ff5f497d0396903602789c73e1ada32ac1513b9c19ff8091
[INFO] running `Command { std: "docker" "start" "-a" "2f4a4d616014bb29ff5f497d0396903602789c73e1ada32ac1513b9c19ff8091", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-stream-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "2f4a4d616014bb29ff5f497d0396903602789c73e1ada32ac1513b9c19ff8091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4a4d616014bb29ff5f497d0396903602789c73e1ada32ac1513b9c19ff8091", kill_on_drop: false }`
[INFO] [stdout] 2f4a4d616014bb29ff5f497d0396903602789c73e1ada32ac1513b9c19ff8091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871e668ee9577a8f1ab068a01bd3bd098bc6c1c6eadd20755715398e1ff82012
[INFO] running `Command { std: "docker" "start" "-a" "871e668ee9577a8f1ab068a01bd3bd098bc6c1c6eadd20755715398e1ff82012", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-stream-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "871e668ee9577a8f1ab068a01bd3bd098bc6c1c6eadd20755715398e1ff82012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871e668ee9577a8f1ab068a01bd3bd098bc6c1c6eadd20755715398e1ff82012", kill_on_drop: false }`
[INFO] [stdout] 871e668ee9577a8f1ab068a01bd3bd098bc6c1c6eadd20755715398e1ff82012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.79.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5966e3a2198cd9975490bb28b8aac82a701bdb47ab8094572ac6ed1a012f3c9
[INFO] running `Command { std: "docker" "start" "-a" "e5966e3a2198cd9975490bb28b8aac82a701bdb47ab8094572ac6ed1a012f3c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_stream_echo-eaa0854d99a33d29)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::send_receive ... ok
[INFO] [stdout] test tests::send_receive_multiple_chunks ... ok
[INFO] [stdout] test tests::send_receive_multiple_connections ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcp_stream_echo
[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" "e5966e3a2198cd9975490bb28b8aac82a701bdb47ab8094572ac6ed1a012f3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5966e3a2198cd9975490bb28b8aac82a701bdb47ab8094572ac6ed1a012f3c9", kill_on_drop: false }`
[INFO] [stdout] e5966e3a2198cd9975490bb28b8aac82a701bdb47ab8094572ac6ed1a012f3c9