[INFO] fetching crate ir 0.0.1...
[INFO] testing ir-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ir 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ir 0.0.1 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 ir 0.0.1
[INFO] finished tweaking crates.io crate ir 0.0.1
[INFO] tweaked toml for crates.io crate ir 0.0.1 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c70b2977337e14c3d595e38ab56c720224d84809212272f0efcde3391410fb0d
[INFO] running `Command { std: "docker" "start" "-a" "c70b2977337e14c3d595e38ab56c720224d84809212272f0efcde3391410fb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70b2977337e14c3d595e38ab56c720224d84809212272f0efcde3391410fb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70b2977337e14c3d595e38ab56c720224d84809212272f0efcde3391410fb0d", kill_on_drop: false }`
[INFO] [stdout] c70b2977337e14c3d595e38ab56c720224d84809212272f0efcde3391410fb0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fae0329038a55188c8dd0487b96b0b9396957a7240fbf530a21040c0fc365e40
[INFO] running `Command { std: "docker" "start" "-a" "fae0329038a55188c8dd0487b96b0b9396957a7240fbf530a21040c0fc365e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "fae0329038a55188c8dd0487b96b0b9396957a7240fbf530a21040c0fc365e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae0329038a55188c8dd0487b96b0b9396957a7240fbf530a21040c0fc365e40", kill_on_drop: false }`
[INFO] [stdout] fae0329038a55188c8dd0487b96b0b9396957a7240fbf530a21040c0fc365e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4426a592724e230d33d8d51cab8e98f9620fe3528f185b3fe0dfc2e9c679cab6
[INFO] running `Command { std: "docker" "start" "-a" "4426a592724e230d33d8d51cab8e98f9620fe3528f185b3fe0dfc2e9c679cab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "4426a592724e230d33d8d51cab8e98f9620fe3528f185b3fe0dfc2e9c679cab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4426a592724e230d33d8d51cab8e98f9620fe3528f185b3fe0dfc2e9c679cab6", kill_on_drop: false }`
[INFO] [stdout] 4426a592724e230d33d8d51cab8e98f9620fe3528f185b3fe0dfc2e9c679cab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b2b4229609027de9bce9356f2f3aa59fabd5af1fb673045483b85ae45236dcae
[INFO] running `Command { std: "docker" "start" "-a" "b2b4229609027de9bce9356f2f3aa59fabd5af1fb673045483b85ae45236dcae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ir-c322943e04d250f6)
[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 ir
[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" "b2b4229609027de9bce9356f2f3aa59fabd5af1fb673045483b85ae45236dcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b4229609027de9bce9356f2f3aa59fabd5af1fb673045483b85ae45236dcae", kill_on_drop: false }`
[INFO] [stdout] b2b4229609027de9bce9356f2f3aa59fabd5af1fb673045483b85ae45236dcae