[INFO] fetching crate backtrace-on-stack-overflow 0.1.1...
[INFO] checking backtrace-on-stack-overflow-0.1.1 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate backtrace-on-stack-overflow 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate backtrace-on-stack-overflow 0.1.1 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtrace-on-stack-overflow 0.1.1
[INFO] finished tweaking crates.io crate backtrace-on-stack-overflow 0.1.1
[INFO] tweaked toml for crates.io crate backtrace-on-stack-overflow 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed0d66b4be42962c3a98f3c487d35a8ecaaed497264a26f3ef086bf46c26d683
[INFO] running `Command { std: "docker" "start" "-a" "ed0d66b4be42962c3a98f3c487d35a8ecaaed497264a26f3ef086bf46c26d683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0d66b4be42962c3a98f3c487d35a8ecaaed497264a26f3ef086bf46c26d683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0d66b4be42962c3a98f3c487d35a8ecaaed497264a26f3ef086bf46c26d683", kill_on_drop: false }`
[INFO] [stdout] ed0d66b4be42962c3a98f3c487d35a8ecaaed497264a26f3ef086bf46c26d683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd211af0a38647124e2203981afa468fb5a9e45d8729ecf83e6990af0053736
[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" "3fd211af0a38647124e2203981afa468fb5a9e45d8729ecf83e6990af0053736", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking backtrace-on-stack-overflow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "3fd211af0a38647124e2203981afa468fb5a9e45d8729ecf83e6990af0053736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd211af0a38647124e2203981afa468fb5a9e45d8729ecf83e6990af0053736", kill_on_drop: false }`
[INFO] [stdout] 3fd211af0a38647124e2203981afa468fb5a9e45d8729ecf83e6990af0053736