[INFO] fetching crate shkeleton 0.11.3...
[INFO] testing shkeleton-0.11.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shkeleton 0.11.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate shkeleton 0.11.3 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 shkeleton 0.11.3
[INFO] finished tweaking crates.io crate shkeleton 0.11.3
[INFO] tweaked toml for crates.io crate shkeleton 0.11.3 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] 441077eb8b5d545fd2f6648997391280927344339dc532ca3e3355b71f98d089
[INFO] running `Command { std: "docker" "start" "-a" "441077eb8b5d545fd2f6648997391280927344339dc532ca3e3355b71f98d089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441077eb8b5d545fd2f6648997391280927344339dc532ca3e3355b71f98d089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441077eb8b5d545fd2f6648997391280927344339dc532ca3e3355b71f98d089", kill_on_drop: false }`
[INFO] [stdout] 441077eb8b5d545fd2f6648997391280927344339dc532ca3e3355b71f98d089
[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] d0b497633f8306f98fb624ce9f458f19967718b9d1b1be4022a426c532ab355f
[INFO] running `Command { std: "docker" "start" "-a" "d0b497633f8306f98fb624ce9f458f19967718b9d1b1be4022a426c532ab355f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling sherr v0.4.1
[INFO] [stderr]    Compiling fstrings-proc-macro v0.2.3
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling fstrings v0.2.3
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling shkeleton v0.11.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.31s
[INFO] running `Command { std: "docker" "inspect" "d0b497633f8306f98fb624ce9f458f19967718b9d1b1be4022a426c532ab355f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b497633f8306f98fb624ce9f458f19967718b9d1b1be4022a426c532ab355f", kill_on_drop: false }`
[INFO] [stdout] d0b497633f8306f98fb624ce9f458f19967718b9d1b1be4022a426c532ab355f
[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] 3b17ecec842fd61f7ff4c0add15b56400b30a51fc1640f9bda3f006098fc5f38
[INFO] running `Command { std: "docker" "start" "-a" "3b17ecec842fd61f7ff4c0add15b56400b30a51fc1640f9bda3f006098fc5f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling shkeleton v0.11.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "3b17ecec842fd61f7ff4c0add15b56400b30a51fc1640f9bda3f006098fc5f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b17ecec842fd61f7ff4c0add15b56400b30a51fc1640f9bda3f006098fc5f38", kill_on_drop: false }`
[INFO] [stdout] 3b17ecec842fd61f7ff4c0add15b56400b30a51fc1640f9bda3f006098fc5f38
[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] 875f2c11949560d4e0a546cfa3cffa25e8984ebbe30a4f5bc3e6ca285b16d9ee
[INFO] running `Command { std: "docker" "start" "-a" "875f2c11949560d4e0a546cfa3cffa25e8984ebbe30a4f5bc3e6ca285b16d9ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shkeleton-f5f463adedbab994)
[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]      Running tests/test_compile.rs (/opt/rustwide/target/debug/deps/test_compile-f9095160bb9d3d59)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_failure_feature ... ok
[INFO] [stdout] test test_compile ... ok
[INFO] [stdout] test test_diag - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shkeleton
[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" "875f2c11949560d4e0a546cfa3cffa25e8984ebbe30a4f5bc3e6ca285b16d9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875f2c11949560d4e0a546cfa3cffa25e8984ebbe30a4f5bc3e6ca285b16d9ee", kill_on_drop: false }`
[INFO] [stdout] 875f2c11949560d4e0a546cfa3cffa25e8984ebbe30a4f5bc3e6ca285b16d9ee