[INFO] fetching crate libipld-json 0.12.0...
[INFO] checking libipld-json-0.12.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate libipld-json 0.12.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate libipld-json 0.12.0 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 libipld-json 0.12.0
[INFO] finished tweaking crates.io crate libipld-json 0.12.0
[INFO] tweaked toml for crates.io crate libipld-json 0.12.0 written to /workspace/builds/worker-84/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] e815ab3c34c1ba223f9963ccd1c4491720f5ec370cbc31cd099023b4dd730f73
[INFO] running `Command { std: "docker" "start" "-a" "e815ab3c34c1ba223f9963ccd1c4491720f5ec370cbc31cd099023b4dd730f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e815ab3c34c1ba223f9963ccd1c4491720f5ec370cbc31cd099023b4dd730f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e815ab3c34c1ba223f9963ccd1c4491720f5ec370cbc31cd099023b4dd730f73", kill_on_drop: false }`
[INFO] [stdout] e815ab3c34c1ba223f9963ccd1c4491720f5ec370cbc31cd099023b4dd730f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 47186c0d67d321bb53a445257183b2cf7927b2b34a2699e81bc58442fc1f65b2
[INFO] running `Command { std: "docker" "start" "-a" "47186c0d67d321bb53a445257183b2cf7927b2b34a2699e81bc58442fc1f65b2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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): 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 syn v1.0.75
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.5
[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]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking cid v0.7.0
[INFO] [stderr]     Checking libipld-core v0.12.0
[INFO] [stderr]     Checking libipld-json v0.12.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.26s
[INFO] [stderr] Running `cargo check` to verify 2021
[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]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking cid v0.7.0
[INFO] [stderr]     Checking libipld-core v0.12.0
[INFO] [stderr]     Checking libipld-json v0.12.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `Command { std: "docker" "inspect" "47186c0d67d321bb53a445257183b2cf7927b2b34a2699e81bc58442fc1f65b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47186c0d67d321bb53a445257183b2cf7927b2b34a2699e81bc58442fc1f65b2", kill_on_drop: false }`
[INFO] [stdout] 47186c0d67d321bb53a445257183b2cf7927b2b34a2699e81bc58442fc1f65b2