[INFO] fetching crate multisol-structs 1.1.0...
[INFO] testing multisol-structs-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate multisol-structs 1.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate multisol-structs 1.1.0 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 multisol-structs 1.1.0
[INFO] finished tweaking crates.io crate multisol-structs 1.1.0
[INFO] tweaked toml for crates.io crate multisol-structs 1.1.0 written to /workspace/builds/worker-15/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d842b5485d9e462c02ab5d08c985575de348981e24c99cdcbac84f731ac66976
[INFO] running `Command { std: "docker" "start" "-a" "d842b5485d9e462c02ab5d08c985575de348981e24c99cdcbac84f731ac66976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d842b5485d9e462c02ab5d08c985575de348981e24c99cdcbac84f731ac66976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d842b5485d9e462c02ab5d08c985575de348981e24c99cdcbac84f731ac66976", kill_on_drop: false }`
[INFO] [stdout] d842b5485d9e462c02ab5d08c985575de348981e24c99cdcbac84f731ac66976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e629ed7077da5995d8304db486cd34b0e5986bfe988ce0eccd5d9038ab03fe07
[INFO] running `Command { std: "docker" "start" "-a" "e629ed7077da5995d8304db486cd34b0e5986bfe988ce0eccd5d9038ab03fe07", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling multisol-structs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "e629ed7077da5995d8304db486cd34b0e5986bfe988ce0eccd5d9038ab03fe07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e629ed7077da5995d8304db486cd34b0e5986bfe988ce0eccd5d9038ab03fe07", kill_on_drop: false }`
[INFO] [stdout] e629ed7077da5995d8304db486cd34b0e5986bfe988ce0eccd5d9038ab03fe07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 777943281da2920e6c49d8d2aa63640c15b1a94480dd358623d4e3c58eb11eb3
[INFO] running `Command { std: "docker" "start" "-a" "777943281da2920e6c49d8d2aa63640c15b1a94480dd358623d4e3c58eb11eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling multisol-structs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "777943281da2920e6c49d8d2aa63640c15b1a94480dd358623d4e3c58eb11eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777943281da2920e6c49d8d2aa63640c15b1a94480dd358623d4e3c58eb11eb3", kill_on_drop: false }`
[INFO] [stdout] 777943281da2920e6c49d8d2aa63640c15b1a94480dd358623d4e3c58eb11eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 60e6261d27668d1a15c29fc01c1c3571c0e7c715049de5126fb36eae2b8d34cd
[INFO] running `Command { std: "docker" "start" "-a" "60e6261d27668d1a15c29fc01c1c3571c0e7c715049de5126fb36eae2b8d34cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multisol_structs-9c9c812de7ca47bc)
[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] [stderr]    Doc-tests multisol-structs
[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" "60e6261d27668d1a15c29fc01c1c3571c0e7c715049de5126fb36eae2b8d34cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e6261d27668d1a15c29fc01c1c3571c0e7c715049de5126fb36eae2b8d34cd", kill_on_drop: false }`
[INFO] [stdout] 60e6261d27668d1a15c29fc01c1c3571c0e7c715049de5126fb36eae2b8d34cd