[INFO] fetching crate calypso_error 1.0.2...
[INFO] testing calypso_error-1.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate calypso_error 1.0.2 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate calypso_error 1.0.2 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 calypso_error 1.0.2
[INFO] finished tweaking crates.io crate calypso_error 1.0.2
[INFO] tweaked toml for crates.io crate calypso_error 1.0.2 written to /workspace/builds/worker-77/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 31e0f80914d21295682322bfac9e8a523865aa5c5c5abb0557072cfb8c30d384
[INFO] running `Command { std: "docker" "start" "-a" "31e0f80914d21295682322bfac9e8a523865aa5c5c5abb0557072cfb8c30d384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e0f80914d21295682322bfac9e8a523865aa5c5c5abb0557072cfb8c30d384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e0f80914d21295682322bfac9e8a523865aa5c5c5abb0557072cfb8c30d384", kill_on_drop: false }`
[INFO] [stdout] 31e0f80914d21295682322bfac9e8a523865aa5c5c5abb0557072cfb8c30d384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 0040900e8462233daebc7dc996aed9b2d3638e6a28f0ca42284e94b353e8a59e
[INFO] running `Command { std: "docker" "start" "-a" "0040900e8462233daebc7dc996aed9b2d3638e6a28f0ca42284e94b353e8a59e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling calypso_error v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0040900e8462233daebc7dc996aed9b2d3638e6a28f0ca42284e94b353e8a59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0040900e8462233daebc7dc996aed9b2d3638e6a28f0ca42284e94b353e8a59e", kill_on_drop: false }`
[INFO] [stdout] 0040900e8462233daebc7dc996aed9b2d3638e6a28f0ca42284e94b353e8a59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] e6a45868936e689eed6eb2583b7f2c8a055eef29b198abc1c3dfe6983e775d89
[INFO] running `Command { std: "docker" "start" "-a" "e6a45868936e689eed6eb2583b7f2c8a055eef29b198abc1c3dfe6983e775d89", kill_on_drop: false }`
[INFO] [stderr]    Compiling calypso_error v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e6a45868936e689eed6eb2583b7f2c8a055eef29b198abc1c3dfe6983e775d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a45868936e689eed6eb2583b7f2c8a055eef29b198abc1c3dfe6983e775d89", kill_on_drop: false }`
[INFO] [stdout] e6a45868936e689eed6eb2583b7f2c8a055eef29b198abc1c3dfe6983e775d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 7e79ab98237c3811a2518b05d305aa21d219fed0c839cd90ec93e53162113079
[INFO] running `Command { std: "docker" "start" "-a" "7e79ab98237c3811a2518b05d305aa21d219fed0c839cd90ec93e53162113079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calypso_error-cbbea8dee0a5fec2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests calypso_error
[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] [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" "7e79ab98237c3811a2518b05d305aa21d219fed0c839cd90ec93e53162113079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e79ab98237c3811a2518b05d305aa21d219fed0c839cd90ec93e53162113079", kill_on_drop: false }`
[INFO] [stdout] 7e79ab98237c3811a2518b05d305aa21d219fed0c839cd90ec93e53162113079