[INFO] fetching crate rl-core 1.16.0...
[INFO] testing rl-core-1.16.0 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] extracting crate rl-core 1.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rl-core 1.16.0
[INFO] finished tweaking crates.io crate rl-core 1.16.0
[INFO] tweaked toml for crates.io crate rl-core 1.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rl-core 1.16.0 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rl-core 1.16.0 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd8daf56cc1e1e274353bd508abb0f1f4e75212de3c170144de4bd54e3e7582
[INFO] running `Command { std: "docker" "start" "-a" "dbd8daf56cc1e1e274353bd508abb0f1f4e75212de3c170144de4bd54e3e7582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd8daf56cc1e1e274353bd508abb0f1f4e75212de3c170144de4bd54e3e7582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd8daf56cc1e1e274353bd508abb0f1f4e75212de3c170144de4bd54e3e7582", kill_on_drop: false }`
[INFO] [stdout] dbd8daf56cc1e1e274353bd508abb0f1f4e75212de3c170144de4bd54e3e7582
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65218b31b0d2567e563c0f2027e7da861a9c36a2d4fd4388133eb5d87227597d
[INFO] running `Command { std: "docker" "start" "-a" "65218b31b0d2567e563c0f2027e7da861a9c36a2d4fd4388133eb5d87227597d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rl-core v1.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "65218b31b0d2567e563c0f2027e7da861a9c36a2d4fd4388133eb5d87227597d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65218b31b0d2567e563c0f2027e7da861a9c36a2d4fd4388133eb5d87227597d", kill_on_drop: false }`
[INFO] [stdout] 65218b31b0d2567e563c0f2027e7da861a9c36a2d4fd4388133eb5d87227597d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506a302b4803c3790f1ed17285b1dba2fffe1769287e37a97395b99726981477
[INFO] running `Command { std: "docker" "start" "-a" "506a302b4803c3790f1ed17285b1dba2fffe1769287e37a97395b99726981477", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaKQNMXo/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "506a302b4803c3790f1ed17285b1dba2fffe1769287e37a97395b99726981477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506a302b4803c3790f1ed17285b1dba2fffe1769287e37a97395b99726981477", kill_on_drop: false }`
[INFO] [stdout] 506a302b4803c3790f1ed17285b1dba2fffe1769287e37a97395b99726981477