[INFO] fetching crate ron 0.6.4...
[INFO] checking ron-0.6.4 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate ron 0.6.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ron 0.6.4 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 ron 0.6.4
[INFO] finished tweaking crates.io crate ron 0.6.4
[INFO] tweaked toml for crates.io crate ron 0.6.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ron 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded serde_bytes v0.11.4
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded itoa v0.4.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a2547529866c8436c199fd42cd193922a7820bf97e633bc4d05566af5dd998
[INFO] running `Command { std: "docker" "start" "-a" "74a2547529866c8436c199fd42cd193922a7820bf97e633bc4d05566af5dd998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a2547529866c8436c199fd42cd193922a7820bf97e633bc4d05566af5dd998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a2547529866c8436c199fd42cd193922a7820bf97e633bc4d05566af5dd998", kill_on_drop: false }`
[INFO] [stdout] 74a2547529866c8436c199fd42cd193922a7820bf97e633bc4d05566af5dd998
[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=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] bc12ab7f5cc787453331141f4d0348a3cff1a5748c6ca8fcc190ef607e396d87
[INFO] running `Command { std: "docker" "start" "-a" "bc12ab7f5cc787453331141f4d0348a3cff1a5748c6ca8fcc190ef607e396d87", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking ron v0.6.4 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/147_empty_sets_serialisation.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/123_enum_representation.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/escape.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/floats.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/129_indexmap.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/big_struct.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/decode_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/extensions.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/large_number.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/117_untagged_tuple_variant.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/numbers.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/comments.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/min_max.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/struct_integers.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/unicode.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/decode.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/preserve_sequence.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/borrowed_str.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/value.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/roundtrip.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/depth_limit.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/encode.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/transcode.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/240_array_pretty.rs from 2018 edition to 2021
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.79s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ron v0.6.4 (/tmp/fixit)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "bc12ab7f5cc787453331141f4d0348a3cff1a5748c6ca8fcc190ef607e396d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc12ab7f5cc787453331141f4d0348a3cff1a5748c6ca8fcc190ef607e396d87", kill_on_drop: false }`
[INFO] [stdout] bc12ab7f5cc787453331141f4d0348a3cff1a5748c6ca8fcc190ef607e396d87