[INFO] fetching crate preftool-file 0.2.0...
[INFO] checking preftool-file-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate preftool-file 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate preftool-file 0.2.0 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 preftool-file 0.2.0
[INFO] finished tweaking crates.io crate preftool-file 0.2.0
[INFO] tweaked toml for crates.io crate preftool-file 0.2.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7d85c87112756e968ee39bb5b7fc6227c197d1427f83a75e7ba3a45e3d712cc6
[INFO] running `Command { std: "docker" "start" "-a" "7d85c87112756e968ee39bb5b7fc6227c197d1427f83a75e7ba3a45e3d712cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d85c87112756e968ee39bb5b7fc6227c197d1427f83a75e7ba3a45e3d712cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d85c87112756e968ee39bb5b7fc6227c197d1427f83a75e7ba3a45e3d712cc6", kill_on_drop: false }`
[INFO] [stdout] 7d85c87112756e968ee39bb5b7fc6227c197d1427f83a75e7ba3a45e3d712cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0960842bbc63d27c71f849bec57dc021211742b7bf279a5f1010c348f2098175
[INFO] running `Command { std: "docker" "start" "-a" "0960842bbc63d27c71f849bec57dc021211742b7bf279a5f1010c348f2098175", 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]   memchr v2.4.1: default, std
[INFO] [stderr] 
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking arc-swap v1.3.1
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-dirs v0.2.0
[INFO] [stderr]     Checking preftool-file v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.77s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-dirs v0.2.0
[INFO] [stderr]     Checking preftool-file v0.2.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "0960842bbc63d27c71f849bec57dc021211742b7bf279a5f1010c348f2098175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0960842bbc63d27c71f849bec57dc021211742b7bf279a5f1010c348f2098175", kill_on_drop: false }`
[INFO] [stdout] 0960842bbc63d27c71f849bec57dc021211742b7bf279a5f1010c348f2098175