[INFO] fetching crate basic-text 0.0.0...
[INFO] checking basic-text-0.0.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate basic-text 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate basic-text 0.0.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic-text 0.0.0
[INFO] finished tweaking crates.io crate basic-text 0.0.0
[INFO] tweaked toml for crates.io crate basic-text 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate basic-text 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75ff2685d08e99994b4e856fbbc611a5a1d7ad2987b8db7fb338c53d25943af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b75ff2685d08e99994b4e856fbbc611a5a1d7ad2987b8db7fb338c53d25943af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75ff2685d08e99994b4e856fbbc611a5a1d7ad2987b8db7fb338c53d25943af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75ff2685d08e99994b4e856fbbc611a5a1d7ad2987b8db7fb338c53d25943af", kill_on_drop: false }`
[INFO] [stdout] b75ff2685d08e99994b4e856fbbc611a5a1d7ad2987b8db7fb338c53d25943af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1975bc0420b5e7f414a05e8fc73da00714b68a28aa0b3de54c5e78ece5ca578d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1975bc0420b5e7f414a05e8fc73da00714b68a28aa0b3de54c5e78ece5ca578d", kill_on_drop: false }`
[INFO] [stderr]     Checking duplex v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.3.0
[INFO] [stderr]    Compiling layered-io v0.2.1
[INFO] [stderr]    Compiling basic-text v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking utf8-io v0.1.0
[INFO] [stderr] error: could not compile `basic-text`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name basic_text_string --edition=2018 tests/basic-text-string.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=05a9a4e69a576ebe -C extra-filename=-05a9a4e69a576ebe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-82c1491d7ec4328b.rmeta --extern basic_text=/opt/rustwide/target/debug/deps/libbasic_text-d8e7583232bfde56.rmeta --extern duplex=/opt/rustwide/target/debug/deps/libduplex-271d82578eeefe60.rmeta --extern layered_io=/opt/rustwide/target/debug/deps/liblayered_io-8daf6240386f2cb3.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-f0ad7bc6679fc709.rmeta --extern utf8_io=/opt/rustwide/target/debug/deps/libutf8_io-abbb219467dc1cb5.rmeta --cap-lints=forbid --cfg can_vector --cfg clamp --cfg extend_one --cfg pattern --cfg seek_convenience --cfg shrink_to --cfg toowned_clone_into --cfg try_reserve --cfg unix_socket_peek --cfg windows_by_handle --cfg with_options --cfg write_all_vectored --cfg windows_file_type_ext` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1975bc0420b5e7f414a05e8fc73da00714b68a28aa0b3de54c5e78ece5ca578d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1975bc0420b5e7f414a05e8fc73da00714b68a28aa0b3de54c5e78ece5ca578d", kill_on_drop: false }`
[INFO] [stdout] 1975bc0420b5e7f414a05e8fc73da00714b68a28aa0b3de54c5e78ece5ca578d