[INFO] updating cached repository https://github.com/QingGo/rust_linkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c796af6fcae8442485887781cc8112e547c177e
[INFO] testing QingGo/rust_linkedlist against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQingGo%2Frust_linkedlist" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QingGo/rust_linkedlist on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/QingGo/rust_linkedlist
[INFO] finished tweaking git repo https://github.com/QingGo/rust_linkedlist
[INFO] tweaked toml for git repo https://github.com/QingGo/rust_linkedlist written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/QingGo/rust_linkedlist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aba53b248ab30b38cfbbc2296927fb9f0ee7f8ff01b72ab21878084eb8dc921f
[INFO] running `Command { std: "docker" "start" "-a" "aba53b248ab30b38cfbbc2296927fb9f0ee7f8ff01b72ab21878084eb8dc921f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba53b248ab30b38cfbbc2296927fb9f0ee7f8ff01b72ab21878084eb8dc921f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba53b248ab30b38cfbbc2296927fb9f0ee7f8ff01b72ab21878084eb8dc921f", kill_on_drop: false }`
[INFO] [stdout] aba53b248ab30b38cfbbc2296927fb9f0ee7f8ff01b72ab21878084eb8dc921f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be7a4cd4443446f4cf4e9aa565d7f6b9e5d58465c43ef782ae72b2fd568d96f
[INFO] running `Command { std: "docker" "start" "-a" "5be7a4cd4443446f4cf4e9aa565d7f6b9e5d58465c43ef782ae72b2fd568d96f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `Command { std: "docker" "inspect" "5be7a4cd4443446f4cf4e9aa565d7f6b9e5d58465c43ef782ae72b2fd568d96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be7a4cd4443446f4cf4e9aa565d7f6b9e5d58465c43ef782ae72b2fd568d96f", kill_on_drop: false }`
[INFO] [stdout] 5be7a4cd4443446f4cf4e9aa565d7f6b9e5d58465c43ef782ae72b2fd568d96f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8fbc221f783bb3401bbc8349c9e419b72610bd79a445c37f73da80544d8099
[INFO] running `Command { std: "docker" "start" "-a" "0c8fbc221f783bb3401bbc8349c9e419b72610bd79a445c37f73da80544d8099", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "0c8fbc221f783bb3401bbc8349c9e419b72610bd79a445c37f73da80544d8099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8fbc221f783bb3401bbc8349c9e419b72610bd79a445c37f73da80544d8099", kill_on_drop: false }`
[INFO] [stdout] 0c8fbc221f783bb3401bbc8349c9e419b72610bd79a445c37f73da80544d8099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 415c1fdbc8a0e994cdba668636dda7647452cfee01822a94c3b4bf7645bbc6f5
[INFO] running `Command { std: "docker" "start" "-a" "415c1fdbc8a0e994cdba668636dda7647452cfee01822a94c3b4bf7645bbc6f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_linkedlist-fbf0cf2031a92131)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "415c1fdbc8a0e994cdba668636dda7647452cfee01822a94c3b4bf7645bbc6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415c1fdbc8a0e994cdba668636dda7647452cfee01822a94c3b4bf7645bbc6f5", kill_on_drop: false }`
[INFO] [stdout] 415c1fdbc8a0e994cdba668636dda7647452cfee01822a94c3b4bf7645bbc6f5