[INFO] fetching crate forest_vm 0.3.1...
[INFO] checking forest_vm-0.3.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate forest_vm 0.3.1 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate forest_vm 0.3.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forest_vm 0.3.1
[INFO] finished tweaking crates.io crate forest_vm 0.3.1
[INFO] tweaked toml for crates.io crate forest_vm 0.3.1 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multibase v0.9.1
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded cs_serde_cbor v0.12.0
[INFO] [stderr]   Downloaded cs_serde_bytes v0.12.0
[INFO] [stderr]   Downloaded forest_json_utils v0.1.1
[INFO] [stderr]   Downloaded forest_address v0.3.1
[INFO] [stderr]   Downloaded integer-encoding v2.1.3
[INFO] [stderr]   Downloaded forest_bigint v0.1.4
[INFO] [stderr]   Downloaded forest_encoding v0.2.1
[INFO] [stderr]   Downloaded forest_cid v0.3.0
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e837fc79851850fe9a05490a8a36b2cb79bb1b51e8275cb85a9ef6b5c2d477b
[INFO] running `Command { std: "docker" "start" "-a" "1e837fc79851850fe9a05490a8a36b2cb79bb1b51e8275cb85a9ef6b5c2d477b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e837fc79851850fe9a05490a8a36b2cb79bb1b51e8275cb85a9ef6b5c2d477b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e837fc79851850fe9a05490a8a36b2cb79bb1b51e8275cb85a9ef6b5c2d477b", kill_on_drop: false }`
[INFO] [stdout] 1e837fc79851850fe9a05490a8a36b2cb79bb1b51e8275cb85a9ef6b5c2d477b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b1b7cb2b261e196ad46818961df330ca295b15d6f645f164abf4e321280541d
[INFO] running `Command { std: "docker" "start" "-a" "8b1b7cb2b261e196ad46818961df330ca295b15d6f645f164abf4e321280541d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   data-encoding v2.3.2 (as host dependency): default, std
[INFO] [stderr]   serde v1.0.128 (as host dependency): derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking integer-encoding v2.1.3
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[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 v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking cs_serde_bytes v0.12.0
[INFO] [stderr]     Checking cs_serde_cbor v0.12.0
[INFO] [stderr]     Checking forest_json_utils v0.1.1
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking forest_bigint v0.1.4
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking cid v0.6.1
[INFO] [stderr]     Checking forest_cid v0.3.0
[INFO] [stderr]     Checking forest_encoding v0.2.1
[INFO] [stderr]     Checking forest_address v0.3.1
[INFO] [stderr]     Checking forest_vm v0.3.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/params_test.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.01s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking cid v0.6.1
[INFO] [stderr]     Checking forest_cid v0.3.0
[INFO] [stderr]     Checking forest_encoding v0.2.1
[INFO] [stderr]     Checking forest_address v0.3.1
[INFO] [stderr]     Checking forest_vm v0.3.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `Command { std: "docker" "inspect" "8b1b7cb2b261e196ad46818961df330ca295b15d6f645f164abf4e321280541d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1b7cb2b261e196ad46818961df330ca295b15d6f645f164abf4e321280541d", kill_on_drop: false }`
[INFO] [stdout] 8b1b7cb2b261e196ad46818961df330ca295b15d6f645f164abf4e321280541d