[INFO] cloning repository https://github.com/kubos/kubos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kubos/kubos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkubos%2Fkubos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkubos%2Fkubos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b4bf78939cac4161374e696f1b8c834921ad7c
[INFO] checking kubos/kubos against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkubos%2Fkubos" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kubos/kubos on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kubos/kubos
[INFO] finished tweaking git repo https://github.com/kubos/kubos
[INFO] tweaked toml for git repo https://github.com/kubos/kubos written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kubos/kubos 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded juniper_codegen v0.11.1
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded display_derive v0.0.0
[INFO] [stderr]   Downloaded float-cmp v0.2.5
[INFO] [stderr]   Downloaded warp v0.1.23
[INFO] [stderr]   Downloaded mount v0.3.0
[INFO] [stderr]   Downloaded lazysort v0.2.1
[INFO] [stderr]   Downloaded juniper v0.11.1
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded serde_cbor v0.8.2
[INFO] [stderr]   Downloaded juniper_warp v0.2.0
[INFO] [stderr]   Downloaded sequence_trie v0.2.1
[INFO] [stderr]   Downloaded double v0.2.4
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded timeout-readwrite v0.1.0
[INFO] [stderr]   Downloaded log4rs-syslog v3.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4955ee211ce940bf6152129fa1d11d294af1622f961879e0841abc4459c0ceca
[INFO] running `Command { std: "docker" "start" "-a" "4955ee211ce940bf6152129fa1d11d294af1622f961879e0841abc4459c0ceca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4955ee211ce940bf6152129fa1d11d294af1622f961879e0841abc4459c0ceca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4955ee211ce940bf6152129fa1d11d294af1622f961879e0841abc4459c0ceca", kill_on_drop: false }`
[INFO] [stdout] 4955ee211ce940bf6152129fa1d11d294af1622f961879e0841abc4459c0ceca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b622a2436d6f48f9aa02b93ff48956d52078f9ddde7eeec943e3a918a5a8600
[INFO] running `Command { std: "docker" "start" "-a" "9b622a2436d6f48f9aa02b93ff48956d52078f9ddde7eeec943e3a918a5a8600", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/946974a0ffadb17a56595113e8a43288560a9115e9efbbd3c61cd781dcefc29a/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "9b622a2436d6f48f9aa02b93ff48956d52078f9ddde7eeec943e3a918a5a8600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b622a2436d6f48f9aa02b93ff48956d52078f9ddde7eeec943e3a918a5a8600", kill_on_drop: false }`
[INFO] [stdout] 9b622a2436d6f48f9aa02b93ff48956d52078f9ddde7eeec943e3a918a5a8600