[INFO] cloning repository https://github.com/zoltan-nz/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zoltan-nz/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoltan-nz%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoltan-nz%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf550d42a6d025015c33efd2e273cfaa417ecd0e
[INFO] testing zoltan-nz/rust-playground against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoltan-nz%2Frust-playground" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zoltan-nz/rust-playground 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/zoltan-nz/rust-playground
[INFO] finished tweaking git repo https://github.com/zoltan-nz/rust-playground
[INFO] tweaked toml for git repo https://github.com/zoltan-nz/rust-playground written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zoltan-nz/rust-playground 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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60f4f7d4e78cd41d69866bbca5d3d3cad9e95a1a6fb1a670cc26dcbd3901cc1
[INFO] running `Command { std: "docker" "start" "-a" "c60f4f7d4e78cd41d69866bbca5d3d3cad9e95a1a6fb1a670cc26dcbd3901cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c60f4f7d4e78cd41d69866bbca5d3d3cad9e95a1a6fb1a670cc26dcbd3901cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60f4f7d4e78cd41d69866bbca5d3d3cad9e95a1a6fb1a670cc26dcbd3901cc1", kill_on_drop: false }`
[INFO] [stdout] c60f4f7d4e78cd41d69866bbca5d3d3cad9e95a1a6fb1a670cc26dcbd3901cc1
[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=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] 3baaf8720197b5aa9f1b7e57cc61ba7a66c09d0f0016c50156f447c8271e7e30
[INFO] running `Command { std: "docker" "start" "-a" "3baaf8720197b5aa9f1b7e57cc61ba7a66c09d0f0016c50156f447c8271e7e30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "3baaf8720197b5aa9f1b7e57cc61ba7a66c09d0f0016c50156f447c8271e7e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3baaf8720197b5aa9f1b7e57cc61ba7a66c09d0f0016c50156f447c8271e7e30", kill_on_drop: false }`
[INFO] [stdout] 3baaf8720197b5aa9f1b7e57cc61ba7a66c09d0f0016c50156f447c8271e7e30
[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=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] 4211eb5a01e17605fce2463893fc5f1a4d5b83b0e3ab4a4136fc7981f8f66f06
[INFO] running `Command { std: "docker" "start" "-a" "4211eb5a01e17605fce2463893fc5f1a4d5b83b0e3ab4a4136fc7981f8f66f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4211eb5a01e17605fce2463893fc5f1a4d5b83b0e3ab4a4136fc7981f8f66f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4211eb5a01e17605fce2463893fc5f1a4d5b83b0e3ab4a4136fc7981f8f66f06", kill_on_drop: false }`
[INFO] [stdout] 4211eb5a01e17605fce2463893fc5f1a4d5b83b0e3ab4a4136fc7981f8f66f06
[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=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] 1a64009bc57d0dd37f538d7ffdd50ce8a44f5b7d38f89622e01c852482a8d73a
[INFO] running `Command { std: "docker" "start" "-a" "1a64009bc57d0dd37f538d7ffdd50ce8a44f5b7d38f89622e01c852482a8d73a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/add_one-5146a3b089eec901)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adder-dcdfe41aaaa6f5dd)
[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] [stderr]    Doc-tests add-one
[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" "1a64009bc57d0dd37f538d7ffdd50ce8a44f5b7d38f89622e01c852482a8d73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a64009bc57d0dd37f538d7ffdd50ce8a44f5b7d38f89622e01c852482a8d73a", kill_on_drop: false }`
[INFO] [stdout] 1a64009bc57d0dd37f538d7ffdd50ce8a44f5b7d38f89622e01c852482a8d73a