[INFO] fetching crate libpolymesh 1.0.0...
[INFO] testing libpolymesh-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate libpolymesh 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libpolymesh 1.0.0 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 libpolymesh 1.0.0
[INFO] finished tweaking crates.io crate libpolymesh 1.0.0
[INFO] tweaked toml for crates.io crate libpolymesh 1.0.0 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e96c4636c91173caf2592e718777e6ed1c1253b140bfdc9aa183d07c79e802b4
[INFO] running `Command { std: "docker" "start" "-a" "e96c4636c91173caf2592e718777e6ed1c1253b140bfdc9aa183d07c79e802b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96c4636c91173caf2592e718777e6ed1c1253b140bfdc9aa183d07c79e802b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96c4636c91173caf2592e718777e6ed1c1253b140bfdc9aa183d07c79e802b4", kill_on_drop: false }`
[INFO] [stdout] e96c4636c91173caf2592e718777e6ed1c1253b140bfdc9aa183d07c79e802b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 516da780bf9b63cde51e9ef1410ce672c7786c0e4a76a1c48f5e5fca3effdbca
[INFO] running `Command { std: "docker" "start" "-a" "516da780bf9b63cde51e9ef1410ce672c7786c0e4a76a1c48f5e5fca3effdbca", kill_on_drop: false }`
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling libpolymesh v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.18s
[INFO] running `Command { std: "docker" "inspect" "516da780bf9b63cde51e9ef1410ce672c7786c0e4a76a1c48f5e5fca3effdbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516da780bf9b63cde51e9ef1410ce672c7786c0e4a76a1c48f5e5fca3effdbca", kill_on_drop: false }`
[INFO] [stdout] 516da780bf9b63cde51e9ef1410ce672c7786c0e4a76a1c48f5e5fca3effdbca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7f4b3a3be2df9621d2d9e64c472ec74842fe316d6c97d6c2bd7da60c47adae70
[INFO] running `Command { std: "docker" "start" "-a" "7f4b3a3be2df9621d2d9e64c472ec74842fe316d6c97d6c2bd7da60c47adae70", 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]    Compiling libpolymesh v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "7f4b3a3be2df9621d2d9e64c472ec74842fe316d6c97d6c2bd7da60c47adae70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4b3a3be2df9621d2d9e64c472ec74842fe316d6c97d6c2bd7da60c47adae70", kill_on_drop: false }`
[INFO] [stdout] 7f4b3a3be2df9621d2d9e64c472ec74842fe316d6c97d6c2bd7da60c47adae70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b0ef8a05d4f037f1089fc5d245156a4e132a9e6f88a8700bcc02117871be891a
[INFO] running `Command { std: "docker" "start" "-a" "b0ef8a05d4f037f1089fc5d245156a4e132a9e6f88a8700bcc02117871be891a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libpolymesh-7080e0250ecb4690)
[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 libpolymesh
[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" "b0ef8a05d4f037f1089fc5d245156a4e132a9e6f88a8700bcc02117871be891a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ef8a05d4f037f1089fc5d245156a4e132a9e6f88a8700bcc02117871be891a", kill_on_drop: false }`
[INFO] [stdout] b0ef8a05d4f037f1089fc5d245156a4e132a9e6f88a8700bcc02117871be891a