[INFO] cloning repository https://github.com/matthiaskrgr/rustc_crashtest_lto [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthiaskrgr/rustc_crashtest_lto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frustc_crashtest_lto", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frustc_crashtest_lto'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49329c466d4c147092e649637cfb5409a4e62d96 [INFO] testing matthiaskrgr/rustc_crashtest_lto against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frustc_crashtest_lto" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matthiaskrgr/rustc_crashtest_lto on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matthiaskrgr/rustc_crashtest_lto [INFO] finished tweaking git repo https://github.com/matthiaskrgr/rustc_crashtest_lto [INFO] tweaked toml for git repo https://github.com/matthiaskrgr/rustc_crashtest_lto written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/matthiaskrgr/rustc_crashtest_lto already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 566053161fc602a9df668331230cdc1330ef96337dc2dc2488098aa45bbc3b61 [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" "566053161fc602a9df668331230cdc1330ef96337dc2dc2488098aa45bbc3b61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "566053161fc602a9df668331230cdc1330ef96337dc2dc2488098aa45bbc3b61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "566053161fc602a9df668331230cdc1330ef96337dc2dc2488098aa45bbc3b61", kill_on_drop: false }` [INFO] [stdout] 566053161fc602a9df668331230cdc1330ef96337dc2dc2488098aa45bbc3b61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a3fbec7fbe9dc094604a89a6e879e3ef96f03f5c2f035cbeea9aecea4f5da5e [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" "7a3fbec7fbe9dc094604a89a6e879e3ef96f03f5c2f035cbeea9aecea4f5da5e", kill_on_drop: false }` [INFO] [stderr] Compiling rustc_crashtest_lto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `rustc_errors` [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rustc_errors as errors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc_crashtest_lto` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7a3fbec7fbe9dc094604a89a6e879e3ef96f03f5c2f035cbeea9aecea4f5da5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a3fbec7fbe9dc094604a89a6e879e3ef96f03f5c2f035cbeea9aecea4f5da5e", kill_on_drop: false }` [INFO] [stdout] 7a3fbec7fbe9dc094604a89a6e879e3ef96f03f5c2f035cbeea9aecea4f5da5e