[INFO] fetching crate e_drone 21.9.1...
[INFO] testing e_drone-21.9.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate e_drone 21.9.1 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate e_drone 21.9.1 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 e_drone 21.9.1
[INFO] finished tweaking crates.io crate e_drone 21.9.1
[INFO] tweaked toml for crates.io crate e_drone 21.9.1 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate e_drone 21.9.1 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] [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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] b0f35d99c3d01ab4c6b2ec2b5e68361fd996fe54dd2b125850074964247c8082
[INFO] running `Command { std: "docker" "start" "-a" "b0f35d99c3d01ab4c6b2ec2b5e68361fd996fe54dd2b125850074964247c8082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f35d99c3d01ab4c6b2ec2b5e68361fd996fe54dd2b125850074964247c8082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f35d99c3d01ab4c6b2ec2b5e68361fd996fe54dd2b125850074964247c8082", kill_on_drop: false }`
[INFO] [stdout] b0f35d99c3d01ab4c6b2ec2b5e68361fd996fe54dd2b125850074964247c8082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 5fd70ce3f1e039fc160019cb736e2553025227839a8055de3804589bb5ea39d2
[INFO] running `Command { std: "docker" "start" "-a" "5fd70ce3f1e039fc160019cb736e2553025227839a8055de3804589bb5ea39d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling e_drone v21.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.26s
[INFO] running `Command { std: "docker" "inspect" "5fd70ce3f1e039fc160019cb736e2553025227839a8055de3804589bb5ea39d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd70ce3f1e039fc160019cb736e2553025227839a8055de3804589bb5ea39d2", kill_on_drop: false }`
[INFO] [stdout] 5fd70ce3f1e039fc160019cb736e2553025227839a8055de3804589bb5ea39d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] cf5f780d86309a8f57ddf65e6d89c43b4ce8c201377ccbd72e78088642834549
[INFO] running `Command { std: "docker" "start" "-a" "cf5f780d86309a8f57ddf65e6d89c43b4ce8c201377ccbd72e78088642834549", kill_on_drop: false }`
[INFO] [stderr]    Compiling e_drone v21.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "cf5f780d86309a8f57ddf65e6d89c43b4ce8c201377ccbd72e78088642834549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5f780d86309a8f57ddf65e6d89c43b4ce8c201377ccbd72e78088642834549", kill_on_drop: false }`
[INFO] [stdout] cf5f780d86309a8f57ddf65e6d89c43b4ce8c201377ccbd72e78088642834549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 41e74f9afd062c4d7735cf1f4aa9432a86b5319a51d0e7668af32821471d4f61
[INFO] running `Command { std: "docker" "start" "-a" "41e74f9afd062c4d7735cf1f4aa9432a86b5319a51d0e7668af32821471d4f61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/e_drone-8c9b328e566ea565)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests e_drone
[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" "41e74f9afd062c4d7735cf1f4aa9432a86b5319a51d0e7668af32821471d4f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e74f9afd062c4d7735cf1f4aa9432a86b5319a51d0e7668af32821471d4f61", kill_on_drop: false }`
[INFO] [stdout] 41e74f9afd062c4d7735cf1f4aa9432a86b5319a51d0e7668af32821471d4f61