[INFO] fetching crate ax_client 0.1.0...
[INFO] testing ax_client-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ax_client 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ax_client 0.1.0 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 ax_client 0.1.0
[INFO] finished tweaking crates.io crate ax_client 0.1.0
[INFO] tweaked toml for crates.io crate ax_client 0.1.0 written to /workspace/builds/worker-16/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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] fc9e8f6104fde964b9eb1da333281da6792642e2b537c40a1b3418ff3633dc5c
[INFO] running `Command { std: "docker" "start" "-a" "fc9e8f6104fde964b9eb1da333281da6792642e2b537c40a1b3418ff3633dc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc9e8f6104fde964b9eb1da333281da6792642e2b537c40a1b3418ff3633dc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9e8f6104fde964b9eb1da333281da6792642e2b537c40a1b3418ff3633dc5c", kill_on_drop: false }`
[INFO] [stdout] fc9e8f6104fde964b9eb1da333281da6792642e2b537c40a1b3418ff3633dc5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 4302c0b1c38ecfb8529bdf66889a767fd6f991a4559298ed490abee2f029c29b
[INFO] running `Command { std: "docker" "start" "-a" "4302c0b1c38ecfb8529bdf66889a767fd6f991a4559298ed490abee2f029c29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ax_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "4302c0b1c38ecfb8529bdf66889a767fd6f991a4559298ed490abee2f029c29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4302c0b1c38ecfb8529bdf66889a767fd6f991a4559298ed490abee2f029c29b", kill_on_drop: false }`
[INFO] [stdout] 4302c0b1c38ecfb8529bdf66889a767fd6f991a4559298ed490abee2f029c29b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] b2f133c3ca2b04b387eb8de898140f1a8cf41f39c7ed5d0c7fe0eb3c81ce170e
[INFO] running `Command { std: "docker" "start" "-a" "b2f133c3ca2b04b387eb8de898140f1a8cf41f39c7ed5d0c7fe0eb3c81ce170e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ax_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b2f133c3ca2b04b387eb8de898140f1a8cf41f39c7ed5d0c7fe0eb3c81ce170e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f133c3ca2b04b387eb8de898140f1a8cf41f39c7ed5d0c7fe0eb3c81ce170e", kill_on_drop: false }`
[INFO] [stdout] b2f133c3ca2b04b387eb8de898140f1a8cf41f39c7ed5d0c7fe0eb3c81ce170e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 03efdd4e0fdf1fc75a116e86f901a1a848ab6ade51302f56d40c8c625a0d91b8
[INFO] running `Command { std: "docker" "start" "-a" "03efdd4e0fdf1fc75a116e86f901a1a848ab6ade51302f56d40c8c625a0d91b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ax_client-8628a89a3221caf1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ax_client
[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" "03efdd4e0fdf1fc75a116e86f901a1a848ab6ade51302f56d40c8c625a0d91b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03efdd4e0fdf1fc75a116e86f901a1a848ab6ade51302f56d40c8c625a0d91b8", kill_on_drop: false }`
[INFO] [stdout] 03efdd4e0fdf1fc75a116e86f901a1a848ab6ade51302f56d40c8c625a0d91b8