[INFO] fetching crate starlark-repl 0.3.1...
[INFO] checking starlark-repl-0.3.1 against beta for pr-78714
[INFO] extracting crate starlark-repl 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate starlark-repl 0.3.1 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 starlark-repl 0.3.1
[INFO] finished tweaking crates.io crate starlark-repl 0.3.1
[INFO] tweaked toml for crates.io crate starlark-repl 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate starlark-repl 0.3.1 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-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" "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] 1f6b8e6969dfa00cf22a5a2c4e7d64ef83c3d7254d1fd2f7e32a9332a1c593b2
[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" "1f6b8e6969dfa00cf22a5a2c4e7d64ef83c3d7254d1fd2f7e32a9332a1c593b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6b8e6969dfa00cf22a5a2c4e7d64ef83c3d7254d1fd2f7e32a9332a1c593b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6b8e6969dfa00cf22a5a2c4e7d64ef83c3d7254d1fd2f7e32a9332a1c593b2", kill_on_drop: false }`
[INFO] [stdout] 1f6b8e6969dfa00cf22a5a2c4e7d64ef83c3d7254d1fd2f7e32a9332a1c593b2
[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" "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] 219c84d54843be6aec91e1b8aa76b027c4f6ec58ff7b59f049e833706e7b46b1
[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" "219c84d54843be6aec91e1b8aa76b027c4f6ec58ff7b59f049e833706e7b46b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking codemap v0.1.3
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking codemap-diagnostic v0.1.1
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling starlark v0.3.1
[INFO] [stderr]     Checking starlark-repl v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "219c84d54843be6aec91e1b8aa76b027c4f6ec58ff7b59f049e833706e7b46b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219c84d54843be6aec91e1b8aa76b027c4f6ec58ff7b59f049e833706e7b46b1", kill_on_drop: false }`
[INFO] [stdout] 219c84d54843be6aec91e1b8aa76b027c4f6ec58ff7b59f049e833706e7b46b1