[INFO] cloning repository https://github.com/cvlvxi/refactortests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cvlvxi/refactortests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvlvxi%2Frefactortests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvlvxi%2Frefactortests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea9d4db08d16dcd673d5c1132b64de9a73f5795
[INFO] testing cvlvxi/refactortests against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcvlvxi%2Frefactortests" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cvlvxi/refactortests on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cvlvxi/refactortests
[INFO] finished tweaking git repo https://github.com/cvlvxi/refactortests
[INFO] tweaked toml for git repo https://github.com/cvlvxi/refactortests written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cvlvxi/refactortests already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 322081c01610bfcab601b52f6eb2f34e03c7d5d3caceadad86250e0700b190de
[INFO] running `Command { std: "docker" "start" "-a" "322081c01610bfcab601b52f6eb2f34e03c7d5d3caceadad86250e0700b190de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "322081c01610bfcab601b52f6eb2f34e03c7d5d3caceadad86250e0700b190de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322081c01610bfcab601b52f6eb2f34e03c7d5d3caceadad86250e0700b190de", kill_on_drop: false }`
[INFO] [stdout] 322081c01610bfcab601b52f6eb2f34e03c7d5d3caceadad86250e0700b190de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b6471573bcb04d963b2569e6d1a2703767c3080aa9726c478db05b5c46fdeb
[INFO] running `Command { std: "docker" "start" "-a" "27b6471573bcb04d963b2569e6d1a2703767c3080aa9726c478db05b5c46fdeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling refactortests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `special_method_call` should have an upper case name
[INFO] [stdout]  --> src/utils.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const special_method_call: &str  = "InitAndEnableFeature";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SPECIAL_METHOD_CALL`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `special_type` should have an upper case name
[INFO] [stdout]  --> src/utils.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const special_type: &str = "base::test::ScopedFeatureList";
[INFO] [stdout]   |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `SPECIAL_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 31.58s
[INFO] running `Command { std: "docker" "inspect" "27b6471573bcb04d963b2569e6d1a2703767c3080aa9726c478db05b5c46fdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b6471573bcb04d963b2569e6d1a2703767c3080aa9726c478db05b5c46fdeb", kill_on_drop: false }`
[INFO] [stdout] 27b6471573bcb04d963b2569e6d1a2703767c3080aa9726c478db05b5c46fdeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2a983a2d93b20f69ff693faa9b9e2519c114714ac13ef4d945689f074ac8ce
[INFO] running `Command { std: "docker" "start" "-a" "8c2a983a2d93b20f69ff693faa9b9e2519c114714ac13ef4d945689f074ac8ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8c2a983a2d93b20f69ff693faa9b9e2519c114714ac13ef4d945689f074ac8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2a983a2d93b20f69ff693faa9b9e2519c114714ac13ef4d945689f074ac8ce", kill_on_drop: false }`
[INFO] [stdout] 8c2a983a2d93b20f69ff693faa9b9e2519c114714ac13ef4d945689f074ac8ce