[INFO] fetching crate transmission-client 0.1.1...
[INFO] testing transmission-client-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate transmission-client 0.1.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate transmission-client 0.1.1 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 transmission-client 0.1.1
[INFO] finished tweaking crates.io crate transmission-client 0.1.1
[INFO] tweaked toml for crates.io crate transmission-client 0.1.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isahc v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 20623e1ffc79f6055560d677c20b8ad138b9d1556d742afce65f9c663c64710c
[INFO] running `Command { std: "docker" "start" "-a" "20623e1ffc79f6055560d677c20b8ad138b9d1556d742afce65f9c663c64710c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20623e1ffc79f6055560d677c20b8ad138b9d1556d742afce65f9c663c64710c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20623e1ffc79f6055560d677c20b8ad138b9d1556d742afce65f9c663c64710c", kill_on_drop: false }`
[INFO] [stdout] 20623e1ffc79f6055560d677c20b8ad138b9d1556d742afce65f9c663c64710c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] e8b5296d9c9d67cc9620f1d01a2c9fc74eb000a57d7acd296fb2e617cb18812e
[INFO] running `Command { std: "docker" "start" "-a" "e8b5296d9c9d67cc9620f1d01a2c9fc74eb000a57d7acd296fb2e617cb18812e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling isahc v1.5.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling transmission-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.74s
[INFO] running `Command { std: "docker" "inspect" "e8b5296d9c9d67cc9620f1d01a2c9fc74eb000a57d7acd296fb2e617cb18812e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b5296d9c9d67cc9620f1d01a2c9fc74eb000a57d7acd296fb2e617cb18812e", kill_on_drop: false }`
[INFO] [stdout] e8b5296d9c9d67cc9620f1d01a2c9fc74eb000a57d7acd296fb2e617cb18812e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 81a85a8b687e9a67622c40c5cf712b29634502667042ced96578937d8874f3fa
[INFO] running `Command { std: "docker" "start" "-a" "81a85a8b687e9a67622c40c5cf712b29634502667042ced96578937d8874f3fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling transmission-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "81a85a8b687e9a67622c40c5cf712b29634502667042ced96578937d8874f3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a85a8b687e9a67622c40c5cf712b29634502667042ced96578937d8874f3fa", kill_on_drop: false }`
[INFO] [stdout] 81a85a8b687e9a67622c40c5cf712b29634502667042ced96578937d8874f3fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 73f36b0a95a57e15102651ba5e2324ed3e14027ac1618a60ff2448574f02aba0
[INFO] running `Command { std: "docker" "start" "-a" "73f36b0a95a57e15102651ba5e2324ed3e14027ac1618a60ff2448574f02aba0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/transmission_client-dd4919e51fd810b0)
[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]    Doc-tests transmission-client
[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" "73f36b0a95a57e15102651ba5e2324ed3e14027ac1618a60ff2448574f02aba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f36b0a95a57e15102651ba5e2324ed3e14027ac1618a60ff2448574f02aba0", kill_on_drop: false }`
[INFO] [stdout] 73f36b0a95a57e15102651ba5e2324ed3e14027ac1618a60ff2448574f02aba0