[INFO] cloning repository https://github.com/codertyler/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codertyler/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodertyler%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodertyler%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 103929d7461d5081c9fbbf5ca3473d96da3b0535
[INFO] testing codertyler/learning_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodertyler%2Flearning_rust" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codertyler/learning_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codertyler/learning_rust
[INFO] finished tweaking git repo https://github.com/codertyler/learning_rust
[INFO] tweaked toml for git repo https://github.com/codertyler/learning_rust written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/codertyler/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb2f0ecc3f8a329b0d0b2325a8b0b73daabbf405a1c4ce0aca9a8be7ab4e540
[INFO] running `Command { std: "docker" "start" "-a" "8eb2f0ecc3f8a329b0d0b2325a8b0b73daabbf405a1c4ce0aca9a8be7ab4e540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb2f0ecc3f8a329b0d0b2325a8b0b73daabbf405a1c4ce0aca9a8be7ab4e540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb2f0ecc3f8a329b0d0b2325a8b0b73daabbf405a1c4ce0aca9a8be7ab4e540", kill_on_drop: false }`
[INFO] [stdout] 8eb2f0ecc3f8a329b0d0b2325a8b0b73daabbf405a1c4ce0aca9a8be7ab4e540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c607d9c5508557d37fa770715f6ad91fa1929a98c54c4f961b77038e9ca7c5d0
[INFO] running `Command { std: "docker" "start" "-a" "c607d9c5508557d37fa770715f6ad91fa1929a98c54c4f961b77038e9ca7c5d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c607d9c5508557d37fa770715f6ad91fa1929a98c54c4f961b77038e9ca7c5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c607d9c5508557d37fa770715f6ad91fa1929a98c54c4f961b77038e9ca7c5d0", kill_on_drop: false }`
[INFO] [stdout] c607d9c5508557d37fa770715f6ad91fa1929a98c54c4f961b77038e9ca7c5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fe39cd322c0496589e234d33b697cc66cd07b0bdd74b55ba45e3c16a8a0ea99
[INFO] running `Command { std: "docker" "start" "-a" "9fe39cd322c0496589e234d33b697cc66cd07b0bdd74b55ba45e3c16a8a0ea99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "9fe39cd322c0496589e234d33b697cc66cd07b0bdd74b55ba45e3c16a8a0ea99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe39cd322c0496589e234d33b697cc66cd07b0bdd74b55ba45e3c16a8a0ea99", kill_on_drop: false }`
[INFO] [stdout] 9fe39cd322c0496589e234d33b697cc66cd07b0bdd74b55ba45e3c16a8a0ea99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 517690f38f7b7dbde7479ad9bf53b565326c998e73b101241def9676f77f964f
[INFO] running `Command { std: "docker" "start" "-a" "517690f38f7b7dbde7479ad9bf53b565326c998e73b101241def9676f77f964f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust` (bin "Rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Rust-9fae6822d187fa5e)
[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" "517690f38f7b7dbde7479ad9bf53b565326c998e73b101241def9676f77f964f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517690f38f7b7dbde7479ad9bf53b565326c998e73b101241def9676f77f964f", kill_on_drop: false }`
[INFO] [stdout] 517690f38f7b7dbde7479ad9bf53b565326c998e73b101241def9676f77f964f