[INFO] cloning repository https://github.com/lanshi47/RustLearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lanshi47/RustLearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9b64b5089390e078a33462456493007be9cf027
[INFO] testing lanshi47/RustLearn against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanshi47%2FRustLearn" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lanshi47/RustLearn on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lanshi47/RustLearn
[INFO] finished tweaking git repo https://github.com/lanshi47/RustLearn
[INFO] tweaked toml for git repo https://github.com/lanshi47/RustLearn written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lanshi47/RustLearn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf746b0d64fbd50a1187ceb500c1416fdf78948d559606e23a88d49ebaa3f86
[INFO] running `Command { std: "docker" "start" "-a" "bcf746b0d64fbd50a1187ceb500c1416fdf78948d559606e23a88d49ebaa3f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf746b0d64fbd50a1187ceb500c1416fdf78948d559606e23a88d49ebaa3f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf746b0d64fbd50a1187ceb500c1416fdf78948d559606e23a88d49ebaa3f86", kill_on_drop: false }`
[INFO] [stdout] bcf746b0d64fbd50a1187ceb500c1416fdf78948d559606e23a88d49ebaa3f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69f3b970293da237f2e573f7acec421960b27c5f14f95ecdbbda4f5ee70a92fa
[INFO] running `Command { std: "docker" "start" "-a" "69f3b970293da237f2e573f7acec421960b27c5f14f95ecdbbda4f5ee70a92fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "69f3b970293da237f2e573f7acec421960b27c5f14f95ecdbbda4f5ee70a92fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f3b970293da237f2e573f7acec421960b27c5f14f95ecdbbda4f5ee70a92fa", kill_on_drop: false }`
[INFO] [stdout] 69f3b970293da237f2e573f7acec421960b27c5f14f95ecdbbda4f5ee70a92fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e4cee455b1db5e4ed6531387488bdefb8349358ce6732a6224077a4a7d497b
[INFO] running `Command { std: "docker" "start" "-a" "86e4cee455b1db5e4ed6531387488bdefb8349358ce6732a6224077a4a7d497b", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "86e4cee455b1db5e4ed6531387488bdefb8349358ce6732a6224077a4a7d497b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e4cee455b1db5e4ed6531387488bdefb8349358ce6732a6224077a4a7d497b", kill_on_drop: false }`
[INFO] [stdout] 86e4cee455b1db5e4ed6531387488bdefb8349358ce6732a6224077a4a7d497b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b00d939fee88d1bbd1f9c1067611abd485c7a21d8951119b1e6f2f3e41d77f34
[INFO] running `Command { std: "docker" "start" "-a" "b00d939fee88d1bbd1f9c1067611abd485c7a21d8951119b1e6f2f3e41d77f34", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/8eac8777631ce1d5daa9ca2746a6e557659fada19ea95a802a4a374581e6e0b4/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "b00d939fee88d1bbd1f9c1067611abd485c7a21d8951119b1e6f2f3e41d77f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00d939fee88d1bbd1f9c1067611abd485c7a21d8951119b1e6f2f3e41d77f34", kill_on_drop: false }`
[INFO] [stdout] b00d939fee88d1bbd1f9c1067611abd485c7a21d8951119b1e6f2f3e41d77f34