[INFO] cloning repository https://github.com/nixwork/rust-learning-branches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nixwork/rust-learning-branches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-branches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-branches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15eb300bd86f726a0066d558070e134c5d79e90a
[INFO] testing nixwork/rust-learning-branches against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-branches" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nixwork/rust-learning-branches 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/nixwork/rust-learning-branches
[INFO] finished tweaking git repo https://github.com/nixwork/rust-learning-branches
[INFO] tweaked toml for git repo https://github.com/nixwork/rust-learning-branches written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/nixwork/rust-learning-branches 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] dd9e0194a9457a541a9aabe8c525f746a28123ee330a9b3ef86049edd5497378
[INFO] running `Command { std: "docker" "start" "-a" "dd9e0194a9457a541a9aabe8c525f746a28123ee330a9b3ef86049edd5497378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9e0194a9457a541a9aabe8c525f746a28123ee330a9b3ef86049edd5497378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9e0194a9457a541a9aabe8c525f746a28123ee330a9b3ef86049edd5497378", kill_on_drop: false }`
[INFO] [stdout] dd9e0194a9457a541a9aabe8c525f746a28123ee330a9b3ef86049edd5497378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 802fc619978a5cb07138d2db603896f79bc40efe9a172bf4161448b1fac1fbdb
[INFO] running `Command { std: "docker" "start" "-a" "802fc619978a5cb07138d2db603896f79bc40efe9a172bf4161448b1fac1fbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "802fc619978a5cb07138d2db603896f79bc40efe9a172bf4161448b1fac1fbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802fc619978a5cb07138d2db603896f79bc40efe9a172bf4161448b1fac1fbdb", kill_on_drop: false }`
[INFO] [stdout] 802fc619978a5cb07138d2db603896f79bc40efe9a172bf4161448b1fac1fbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d37cd255595aa2234ec4aa1c958078a07a79c1021643306be7694802325ea4f9
[INFO] running `Command { std: "docker" "start" "-a" "d37cd255595aa2234ec4aa1c958078a07a79c1021643306be7694802325ea4f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "d37cd255595aa2234ec4aa1c958078a07a79c1021643306be7694802325ea4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37cd255595aa2234ec4aa1c958078a07a79c1021643306be7694802325ea4f9", kill_on_drop: false }`
[INFO] [stdout] d37cd255595aa2234ec4aa1c958078a07a79c1021643306be7694802325ea4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 94b4afec4f86b2d36d2a911df3a9f8ff71325fcfe23f64f065c0f025fc666dfb
[INFO] running `Command { std: "docker" "start" "-a" "94b4afec4f86b2d36d2a911df3a9f8ff71325fcfe23f64f065c0f025fc666dfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/branches-869389228c775b7a)
[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" "94b4afec4f86b2d36d2a911df3a9f8ff71325fcfe23f64f065c0f025fc666dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b4afec4f86b2d36d2a911df3a9f8ff71325fcfe23f64f065c0f025fc666dfb", kill_on_drop: false }`
[INFO] [stdout] 94b4afec4f86b2d36d2a911df3a9f8ff71325fcfe23f64f065c0f025fc666dfb