[INFO] fetching crate fungus 0.1.27...
[INFO] checking fungus-0.1.27 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate fungus 0.1.27 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fungus 0.1.27 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fungus 0.1.27
[INFO] finished tweaking crates.io crate fungus 0.1.27
[INFO] tweaked toml for crates.io crate fungus 0.1.27 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fungus 0.1.27 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64fdaa7cc8e5e85fed5137756ee0eaebbc244ca7959f78482e648efa227e8434
[INFO] running `Command { std: "docker" "start" "-a" "64fdaa7cc8e5e85fed5137756ee0eaebbc244ca7959f78482e648efa227e8434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64fdaa7cc8e5e85fed5137756ee0eaebbc244ca7959f78482e648efa227e8434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64fdaa7cc8e5e85fed5137756ee0eaebbc244ca7959f78482e648efa227e8434", kill_on_drop: false }`
[INFO] [stdout] 64fdaa7cc8e5e85fed5137756ee0eaebbc244ca7959f78482e648efa227e8434
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11666b43b6814a9b58fa66672697267e6d8033f55307ef149f9e0bbaac400bf
[INFO] running `Command { std: "docker" "start" "-a" "e11666b43b6814a9b58fa66672697267e6d8033f55307ef149f9e0bbaac400bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking gory v0.1.8
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking fungus v0.1.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/sys/file.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |         if self.src.is_symlink() {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `sys::path::PathExt::is_symlink(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(is_symlink)]` to the crate attributes to enable `Path::is_symlink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/sys/file.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |         if self.src.is_symlink() {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `sys::path::PathExt::is_symlink(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(is_symlink)]` to the crate attributes to enable `std::path::Path::is_symlink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "e11666b43b6814a9b58fa66672697267e6d8033f55307ef149f9e0bbaac400bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11666b43b6814a9b58fa66672697267e6d8033f55307ef149f9e0bbaac400bf", kill_on_drop: false }`
[INFO] [stdout] e11666b43b6814a9b58fa66672697267e6d8033f55307ef149f9e0bbaac400bf