[INFO] fetching crate forest_vm 0.3.0...
[INFO] checking forest_vm-0.3.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate forest_vm 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate forest_vm 0.3.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forest_vm 0.3.0
[INFO] finished tweaking crates.io crate forest_vm 0.3.0
[INFO] tweaked toml for crates.io crate forest_vm 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded forest_encoding v0.2.0
[INFO] [stderr]   Downloaded forest_json_utils v0.1.0
[INFO] [stderr]   Downloaded forest_address v0.3.0
[INFO] [stderr]   Downloaded forest_bigint v0.1.2
[INFO] [stderr]   Downloaded cs_serde_cbor v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9abad0e50a77402d8a432fcacacacd6ed996aabbe1ecf30e142b3adcc7436a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9abad0e50a77402d8a432fcacacacd6ed996aabbe1ecf30e142b3adcc7436a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9abad0e50a77402d8a432fcacacacd6ed996aabbe1ecf30e142b3adcc7436a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9abad0e50a77402d8a432fcacacacd6ed996aabbe1ecf30e142b3adcc7436a0", kill_on_drop: false }`
[INFO] [stdout] e9abad0e50a77402d8a432fcacacacd6ed996aabbe1ecf30e142b3adcc7436a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16e628fd3792901166104b1329355594bc208818ba5b57226d5512c5be88314
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c16e628fd3792901166104b1329355594bc208818ba5b57226d5512c5be88314", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking integer-encoding v2.1.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking data-encoding-macro v0.1.10
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking forest_json_utils v0.1.0
[INFO] [stderr]     Checking cs_serde_cbor v0.12.0
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking forest_bigint v0.1.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling multihash-derive v0.7.0
[INFO] [stderr]     Checking multihash v0.13.1
[INFO] [stderr]     Checking forest_cid v0.2.0
[INFO] [stderr]     Checking forest_encoding v0.2.0
[INFO] [stderr]     Checking forest_address v0.3.0
[INFO] [stderr]     Checking forest_vm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "c16e628fd3792901166104b1329355594bc208818ba5b57226d5512c5be88314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16e628fd3792901166104b1329355594bc208818ba5b57226d5512c5be88314", kill_on_drop: false }`
[INFO] [stdout] c16e628fd3792901166104b1329355594bc208818ba5b57226d5512c5be88314