[INFO] fetching crate ur20-ethercat 0.0.0...
[INFO] testing ur20-ethercat-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ur20-ethercat 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ur20-ethercat 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ur20-ethercat 0.0.0
[INFO] finished tweaking crates.io crate ur20-ethercat 0.0.0
[INFO] tweaked toml for crates.io crate ur20-ethercat 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 834d3947494b2a73c272c45d9573ea4a718baacf2f6daf0a789f6577a94090b4
[INFO] running `Command { std: "docker" "start" "-a" "834d3947494b2a73c272c45d9573ea4a718baacf2f6daf0a789f6577a94090b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834d3947494b2a73c272c45d9573ea4a718baacf2f6daf0a789f6577a94090b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834d3947494b2a73c272c45d9573ea4a718baacf2f6daf0a789f6577a94090b4", kill_on_drop: false }`
[INFO] [stdout] 834d3947494b2a73c272c45d9573ea4a718baacf2f6daf0a789f6577a94090b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8987a74cf0d037a3d23aa32226d9b4c3c69cefef1a6d2ef979dabf4458a5821a
[INFO] running `Command { std: "docker" "start" "-a" "8987a74cf0d037a3d23aa32226d9b4c3c69cefef1a6d2ef979dabf4458a5821a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ur20-ethercat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8987a74cf0d037a3d23aa32226d9b4c3c69cefef1a6d2ef979dabf4458a5821a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8987a74cf0d037a3d23aa32226d9b4c3c69cefef1a6d2ef979dabf4458a5821a", kill_on_drop: false }`
[INFO] [stdout] 8987a74cf0d037a3d23aa32226d9b4c3c69cefef1a6d2ef979dabf4458a5821a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cac69e3dfb4dfa5738512a6778c612315ac7c173f68e3b077e51eac990e7e8a
[INFO] running `Command { std: "docker" "start" "-a" "1cac69e3dfb4dfa5738512a6778c612315ac7c173f68e3b077e51eac990e7e8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ur20-ethercat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1cac69e3dfb4dfa5738512a6778c612315ac7c173f68e3b077e51eac990e7e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cac69e3dfb4dfa5738512a6778c612315ac7c173f68e3b077e51eac990e7e8a", kill_on_drop: false }`
[INFO] [stdout] 1cac69e3dfb4dfa5738512a6778c612315ac7c173f68e3b077e51eac990e7e8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e89f3e25e6da39cfdb497277d1b25acd13811b18eb7a7a2cb730908e703b7eaf
[INFO] running `Command { std: "docker" "start" "-a" "e89f3e25e6da39cfdb497277d1b25acd13811b18eb7a7a2cb730908e703b7eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ur20_ethercat-2c28a2e6e39583ad)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ur20-ethercat
[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" "e89f3e25e6da39cfdb497277d1b25acd13811b18eb7a7a2cb730908e703b7eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89f3e25e6da39cfdb497277d1b25acd13811b18eb7a7a2cb730908e703b7eaf", kill_on_drop: false }`
[INFO] [stdout] e89f3e25e6da39cfdb497277d1b25acd13811b18eb7a7a2cb730908e703b7eaf