[INFO] cloning repository https://github.com/mr47/rust-challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr47/rust-challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1be31d3ef3906cf9c0e17e8148f0f76b77152c85
[INFO] testing mr47/rust-challange against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mr47/rust-challange on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mr47/rust-challange
[INFO] finished tweaking git repo https://github.com/mr47/rust-challange
[INFO] tweaked toml for git repo https://github.com/mr47/rust-challange written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/mr47/rust-challange already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cafc4f385afb61d1caad0630b36144733c74fe7f2496c72bde769b7dafb7d4a6
[INFO] running `Command { std: "docker" "start" "-a" "cafc4f385afb61d1caad0630b36144733c74fe7f2496c72bde769b7dafb7d4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cafc4f385afb61d1caad0630b36144733c74fe7f2496c72bde769b7dafb7d4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafc4f385afb61d1caad0630b36144733c74fe7f2496c72bde769b7dafb7d4a6", kill_on_drop: false }`
[INFO] [stdout] cafc4f385afb61d1caad0630b36144733c74fe7f2496c72bde769b7dafb7d4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f977cfcb0959f78eeeba2c38df1750eed7eba41fea995d5484b735a688a8938
[INFO] running `Command { std: "docker" "start" "-a" "9f977cfcb0959f78eeeba2c38df1750eed7eba41fea995d5484b735a688a8938", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling svp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "9f977cfcb0959f78eeeba2c38df1750eed7eba41fea995d5484b735a688a8938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f977cfcb0959f78eeeba2c38df1750eed7eba41fea995d5484b735a688a8938", kill_on_drop: false }`
[INFO] [stdout] 9f977cfcb0959f78eeeba2c38df1750eed7eba41fea995d5484b735a688a8938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44adacb735470bfe4f5ecc4fde70b8475a117cba6f69451627b9f1f1634e95f8
[INFO] running `Command { std: "docker" "start" "-a" "44adacb735470bfe4f5ecc4fde70b8475a117cba6f69451627b9f1f1634e95f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling svp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "44adacb735470bfe4f5ecc4fde70b8475a117cba6f69451627b9f1f1634e95f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44adacb735470bfe4f5ecc4fde70b8475a117cba6f69451627b9f1f1634e95f8", kill_on_drop: false }`
[INFO] [stdout] 44adacb735470bfe4f5ecc4fde70b8475a117cba6f69451627b9f1f1634e95f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e66eee7ad2ffe33d5cb98abba76379ad270ac66ad1ea139c190581e4a6484a8
[INFO] running `Command { std: "docker" "start" "-a" "2e66eee7ad2ffe33d5cb98abba76379ad270ac66ad1ea139c190581e4a6484a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/svp-b34ebf9f417935fe)
[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" "2e66eee7ad2ffe33d5cb98abba76379ad270ac66ad1ea139c190581e4a6484a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e66eee7ad2ffe33d5cb98abba76379ad270ac66ad1ea139c190581e4a6484a8", kill_on_drop: false }`
[INFO] [stdout] 2e66eee7ad2ffe33d5cb98abba76379ad270ac66ad1ea139c190581e4a6484a8