[INFO] fetching crate nails-fork 0.12.0...
[INFO] checking nails-fork-0.12.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate nails-fork 0.12.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate nails-fork 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 nails-fork 0.12.0
[INFO] finished tweaking crates.io crate nails-fork 0.12.0
[INFO] tweaked toml for crates.io crate nails-fork 0.12.0 written to /workspace/builds/worker-25/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] e1e87b86625e218fb7ff47a75fb1dcd3eb312ebb1946bafdfed513dcb0e555f4
[INFO] running `Command { std: "docker" "start" "-a" "e1e87b86625e218fb7ff47a75fb1dcd3eb312ebb1946bafdfed513dcb0e555f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e87b86625e218fb7ff47a75fb1dcd3eb312ebb1946bafdfed513dcb0e555f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e87b86625e218fb7ff47a75fb1dcd3eb312ebb1946bafdfed513dcb0e555f4", kill_on_drop: false }`
[INFO] [stdout] e1e87b86625e218fb7ff47a75fb1dcd3eb312ebb1946bafdfed513dcb0e555f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 9784f3de2019388b0aff4fe7a0421282f92dab0182c7925198c3de09c7dba3e8
[INFO] running `Command { std: "docker" "start" "-a" "9784f3de2019388b0aff4fe7a0421282f92dab0182c7925198c3de09c7dba3e8", 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]   tokio v1.10.0: winapi
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking nails v0.12.0
[INFO] [stderr]     Checking nails-fork 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 16.76s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking nails v0.12.0
[INFO] [stderr]     Checking nails-fork v0.12.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "9784f3de2019388b0aff4fe7a0421282f92dab0182c7925198c3de09c7dba3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9784f3de2019388b0aff4fe7a0421282f92dab0182c7925198c3de09c7dba3e8", kill_on_drop: false }`
[INFO] [stdout] 9784f3de2019388b0aff4fe7a0421282f92dab0182c7925198c3de09c7dba3e8