[INFO] fetching crate irust_api 0.19.0...
[INFO] testing irust_api-0.19.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate irust_api 0.19.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate irust_api 0.19.0 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 irust_api 0.19.0
[INFO] finished tweaking crates.io crate irust_api 0.19.0
[INFO] tweaked toml for crates.io crate irust_api 0.19.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 35c08f7b9cba44476ac75dd524a64e2b8e2015b3c22b17abb72554e9d7505802
[INFO] running `Command { std: "docker" "start" "-a" "35c08f7b9cba44476ac75dd524a64e2b8e2015b3c22b17abb72554e9d7505802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c08f7b9cba44476ac75dd524a64e2b8e2015b3c22b17abb72554e9d7505802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c08f7b9cba44476ac75dd524a64e2b8e2015b3c22b17abb72554e9d7505802", kill_on_drop: false }`
[INFO] [stdout] 35c08f7b9cba44476ac75dd524a64e2b8e2015b3c22b17abb72554e9d7505802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 53fb56598e14e384cb597eea45b5d7c684e9a8e1309a248ec87722baedb2b054
[INFO] running `Command { std: "docker" "start" "-a" "53fb56598e14e384cb597eea45b5d7c684e9a8e1309a248ec87722baedb2b054", 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 parking_lot_core v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rscript v0.10.0
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling irust_api v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "53fb56598e14e384cb597eea45b5d7c684e9a8e1309a248ec87722baedb2b054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fb56598e14e384cb597eea45b5d7c684e9a8e1309a248ec87722baedb2b054", kill_on_drop: false }`
[INFO] [stdout] 53fb56598e14e384cb597eea45b5d7c684e9a8e1309a248ec87722baedb2b054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 117e59c1c0bc3e8dfb355d21bae7d855e54352c6d8d7e6765200c334857412ec
[INFO] running `Command { std: "docker" "start" "-a" "117e59c1c0bc3e8dfb355d21bae7d855e54352c6d8d7e6765200c334857412ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling irust_api v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "117e59c1c0bc3e8dfb355d21bae7d855e54352c6d8d7e6765200c334857412ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117e59c1c0bc3e8dfb355d21bae7d855e54352c6d8d7e6765200c334857412ec", kill_on_drop: false }`
[INFO] [stdout] 117e59c1c0bc3e8dfb355d21bae7d855e54352c6d8d7e6765200c334857412ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c6dcf8c8cdd5b66e6648ee573a8e12ab7d3c64f527fd216af0248b34176a7129
[INFO] running `Command { std: "docker" "start" "-a" "c6dcf8c8cdd5b66e6648ee573a8e12ab7d3c64f527fd216af0248b34176a7129", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irust_api-53902e694a58c951)
[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 irust_api
[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" "c6dcf8c8cdd5b66e6648ee573a8e12ab7d3c64f527fd216af0248b34176a7129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6dcf8c8cdd5b66e6648ee573a8e12ab7d3c64f527fd216af0248b34176a7129", kill_on_drop: false }`
[INFO] [stdout] c6dcf8c8cdd5b66e6648ee573a8e12ab7d3c64f527fd216af0248b34176a7129