[INFO] cloning repository https://github.com/RXDA/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RXDA/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d28e3904cae009467a6384fcc59a81558297be0
[INFO] testing RXDA/rust_learn against try#015dbcea68b7642e2acc268b5c8f3e9086fc02ff for pr-102570
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RXDA/rust_learn on toolchain 015dbcea68b7642e2acc268b5c8f3e9086fc02ff
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RXDA/rust_learn
[INFO] finished tweaking git repo https://github.com/RXDA/rust_learn
[INFO] tweaked toml for git repo https://github.com/RXDA/rust_learn written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/RXDA/rust_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd8d3a6aaba4d8a9b02fc298ac007f60ee1663ed09a00a9e5d2f1216d29480c
[INFO] running `Command { std: "docker" "start" "-a" "7cd8d3a6aaba4d8a9b02fc298ac007f60ee1663ed09a00a9e5d2f1216d29480c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd8d3a6aaba4d8a9b02fc298ac007f60ee1663ed09a00a9e5d2f1216d29480c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd8d3a6aaba4d8a9b02fc298ac007f60ee1663ed09a00a9e5d2f1216d29480c", kill_on_drop: false }`
[INFO] [stdout] 7cd8d3a6aaba4d8a9b02fc298ac007f60ee1663ed09a00a9e5d2f1216d29480c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 669d55626fb1a0f144d0622ce0230c3b697e6d3cc70c2c84d6656222e831a15e
[INFO] running `Command { std: "docker" "start" "-a" "669d55626fb1a0f144d0622ce0230c3b697e6d3cc70c2c84d6656222e831a15e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "669d55626fb1a0f144d0622ce0230c3b697e6d3cc70c2c84d6656222e831a15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669d55626fb1a0f144d0622ce0230c3b697e6d3cc70c2c84d6656222e831a15e", kill_on_drop: false }`
[INFO] [stdout] 669d55626fb1a0f144d0622ce0230c3b697e6d3cc70c2c84d6656222e831a15e