[INFO] fetching crate cranelift-interpreter 0.76.0...
[INFO] testing cranelift-interpreter-0.76.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cranelift-interpreter 0.76.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cranelift-interpreter 0.76.0 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 cranelift-interpreter 0.76.0
[INFO] finished tweaking crates.io crate cranelift-interpreter 0.76.0
[INFO] tweaked toml for crates.io crate cranelift-interpreter 0.76.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 03bb97a73b68b40aeccc82debbde435ad744f34331079bb0c8246de7e0b4d053
[INFO] running `Command { std: "docker" "start" "-a" "03bb97a73b68b40aeccc82debbde435ad744f34331079bb0c8246de7e0b4d053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03bb97a73b68b40aeccc82debbde435ad744f34331079bb0c8246de7e0b4d053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bb97a73b68b40aeccc82debbde435ad744f34331079bb0c8246de7e0b4d053", kill_on_drop: false }`
[INFO] [stdout] 03bb97a73b68b40aeccc82debbde435ad744f34331079bb0c8246de7e0b4d053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c0e05e134580c7c22124be1fe9658c323020c1391a9965de3db99a4bebb8db1e
[INFO] running `Command { std: "docker" "start" "-a" "c0e05e134580c7c22124be1fe9658c323020c1391a9965de3db99a4bebb8db1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]    Compiling cranelift-bforest v0.76.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling cranelift-codegen v0.76.0
[INFO] [stderr]    Compiling cranelift-interpreter v0.76.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.80s
[INFO] running `Command { std: "docker" "inspect" "c0e05e134580c7c22124be1fe9658c323020c1391a9965de3db99a4bebb8db1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e05e134580c7c22124be1fe9658c323020c1391a9965de3db99a4bebb8db1e", kill_on_drop: false }`
[INFO] [stdout] c0e05e134580c7c22124be1fe9658c323020c1391a9965de3db99a4bebb8db1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 510a913c41881bcd0c8da5736288604155032ebb2f4a015c3ef32073987a4ff2
[INFO] running `Command { std: "docker" "start" "-a" "510a913c41881bcd0c8da5736288604155032ebb2f4a015c3ef32073987a4ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-frontend v0.76.0
[INFO] [stderr]    Compiling cranelift-reader v0.76.0
[INFO] [stderr]    Compiling cranelift-interpreter v0.76.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "510a913c41881bcd0c8da5736288604155032ebb2f4a015c3ef32073987a4ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510a913c41881bcd0c8da5736288604155032ebb2f4a015c3ef32073987a4ff2", kill_on_drop: false }`
[INFO] [stdout] 510a913c41881bcd0c8da5736288604155032ebb2f4a015c3ef32073987a4ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bf87bc80500d218b265441708add5a3d42698847b13d3731dab71f41b6abbdf5
[INFO] running `Command { std: "docker" "start" "-a" "bf87bc80500d218b265441708add5a3d42698847b13d3731dab71f41b6abbdf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_interpreter-7369c75c91c37243)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test environment::tests::addition ... ok
[INFO] [stdout] test environment::tests::nonexistence ... ok
[INFO] [stdout] test environment::tests::from ... ok
[INFO] [stdout] test frame::tests::construction ... ok
[INFO] [stdout] test frame::tests::assignment_to_extra_slots ... ok
[INFO] [stdout] test frame::tests::assignment_and_retrieval ... ok
[INFO] [stdout] test interpreter::tests::state_flags ... ok
[INFO] [stdout] test interpreter::tests::state_heap_roundtrip ... ok
[INFO] [stdout] test interpreter::tests::fuel ... ok
[INFO] [stdout] test interpreter::tests::sanity ... ok
[INFO] [stdout] test interpreter::tests::function_references ... ok
[INFO] [stdout] test interpreter::tests::udiv_by_zero_traps ... ok
[INFO] [stdout] test frame::tests::invalid_assignment - should panic ... ok
[INFO] [stdout] test frame::tests::rename - should panic ... ok
[INFO] [stdout] test frame::tests::retrieve_nonexistent_value - should panic ... ok
[INFO] [stdout] test frame::tests::rename_duplicates_causes_inconsistency - should panic ... ok
[INFO] [stdout] test frame::tests::retrieve_and_assign_multiple_values - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cranelift-interpreter
[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" "bf87bc80500d218b265441708add5a3d42698847b13d3731dab71f41b6abbdf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf87bc80500d218b265441708add5a3d42698847b13d3731dab71f41b6abbdf5", kill_on_drop: false }`
[INFO] [stdout] bf87bc80500d218b265441708add5a3d42698847b13d3731dab71f41b6abbdf5