[INFO] fetching crate ax 0.1.0...
[INFO] testing ax-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ax 0.1.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate ax 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ax 0.1.0
[INFO] finished tweaking crates.io crate ax 0.1.0
[INFO] tweaked toml for crates.io crate ax 0.1.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a95ec5391215f2e4add7c2bb37c2ba067d424ce563ffd4d52aaeeca50e1fdac
[INFO] running `Command { std: "docker" "start" "-a" "7a95ec5391215f2e4add7c2bb37c2ba067d424ce563ffd4d52aaeeca50e1fdac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a95ec5391215f2e4add7c2bb37c2ba067d424ce563ffd4d52aaeeca50e1fdac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a95ec5391215f2e4add7c2bb37c2ba067d424ce563ffd4d52aaeeca50e1fdac", kill_on_drop: false }`
[INFO] [stdout] 7a95ec5391215f2e4add7c2bb37c2ba067d424ce563ffd4d52aaeeca50e1fdac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb842dd73ceea029877d0cc49f688e29bce5f270cdc4e5e4b611d9c7f950415
[INFO] running `Command { std: "docker" "start" "-a" "7eb842dd73ceea029877d0cc49f688e29bce5f270cdc4e5e4b611d9c7f950415", kill_on_drop: false }`
[INFO] [stderr]    Compiling ax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7eb842dd73ceea029877d0cc49f688e29bce5f270cdc4e5e4b611d9c7f950415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb842dd73ceea029877d0cc49f688e29bce5f270cdc4e5e4b611d9c7f950415", kill_on_drop: false }`
[INFO] [stdout] 7eb842dd73ceea029877d0cc49f688e29bce5f270cdc4e5e4b611d9c7f950415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e0f22a97e04efb3fd4b0b443c9d49524d8e61f68cf986c2eb883044294c2ae
[INFO] running `Command { std: "docker" "start" "-a" "88e0f22a97e04efb3fd4b0b443c9d49524d8e61f68cf986c2eb883044294c2ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling ax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "88e0f22a97e04efb3fd4b0b443c9d49524d8e61f68cf986c2eb883044294c2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e0f22a97e04efb3fd4b0b443c9d49524d8e61f68cf986c2eb883044294c2ae", kill_on_drop: false }`
[INFO] [stdout] 88e0f22a97e04efb3fd4b0b443c9d49524d8e61f68cf986c2eb883044294c2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 374aa461b58b732c3317556f9a7be990645af7b206e5daf8eaa54a23a38102e2
[INFO] running `Command { std: "docker" "start" "-a" "374aa461b58b732c3317556f9a7be990645af7b206e5daf8eaa54a23a38102e2", 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-be6279fd30aa907e)
[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 ax
[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" "374aa461b58b732c3317556f9a7be990645af7b206e5daf8eaa54a23a38102e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374aa461b58b732c3317556f9a7be990645af7b206e5daf8eaa54a23a38102e2", kill_on_drop: false }`
[INFO] [stdout] 374aa461b58b732c3317556f9a7be990645af7b206e5daf8eaa54a23a38102e2