[INFO] fetching crate pretty_trace 0.3.2...
[INFO] checking pretty_trace-0.3.2 against beta for pr-78714
[INFO] extracting crate pretty_trace 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pretty_trace 0.3.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty_trace 0.3.2
[INFO] finished tweaking crates.io crate pretty_trace 0.3.2
[INFO] tweaked toml for crates.io crate pretty_trace 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pretty_trace 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6eb1cc8d0f6f289afa92b18fdfdfce257a41a468cbdd5c3b1322b5a553076a9
[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" "d6eb1cc8d0f6f289afa92b18fdfdfce257a41a468cbdd5c3b1322b5a553076a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6eb1cc8d0f6f289afa92b18fdfdfce257a41a468cbdd5c3b1322b5a553076a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6eb1cc8d0f6f289afa92b18fdfdfce257a41a468cbdd5c3b1322b5a553076a9", kill_on_drop: false }`
[INFO] [stdout] d6eb1cc8d0f6f289afa92b18fdfdfce257a41a468cbdd5c3b1322b5a553076a9
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a512f85a736a4d573014ea0b93062c24cfbc75115718df9fa23cb7c6047db3b
[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" "0a512f85a736a4d573014ea0b93062c24cfbc75115718df9fa23cb7c6047db3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking stats_utils v0.1.1
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking vector_utils v0.1.3
[INFO] [stderr]     Checking string_utils v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking io_utils v0.2.6
[INFO] [stderr]     Checking pretty_trace v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "0a512f85a736a4d573014ea0b93062c24cfbc75115718df9fa23cb7c6047db3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a512f85a736a4d573014ea0b93062c24cfbc75115718df9fa23cb7c6047db3b", kill_on_drop: false }`
[INFO] [stdout] 0a512f85a736a4d573014ea0b93062c24cfbc75115718df9fa23cb7c6047db3b