[INFO] fetching crate rlua 0.17.0...
[INFO] checking rlua-0.17.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rlua 0.17.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rlua 0.17.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlua 0.17.0
[INFO] finished tweaking crates.io crate rlua 0.17.0
[INFO] tweaked toml for crates.io crate rlua 0.17.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rlua 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compiletest_rs v0.3.25
[INFO] [stderr]   Downloaded tester v0.5.1
[INFO] [stderr]   Downloaded rustyline v5.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dea78741ea15e15967b5d7f7c935c65527471b8db9b3435dd970fd55a5a2211
[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" "6dea78741ea15e15967b5d7f7c935c65527471b8db9b3435dd970fd55a5a2211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dea78741ea15e15967b5d7f7c935c65527471b8db9b3435dd970fd55a5a2211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dea78741ea15e15967b5d7f7c935c65527471b8db9b3435dd970fd55a5a2211", kill_on_drop: false }`
[INFO] [stdout] 6dea78741ea15e15967b5d7f7c935c65527471b8db9b3435dd970fd55a5a2211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3dbfeee26901cd8e47e6ebd9eb49757abd0ccfe6cf4017b664f0de23cac6f9
[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" "4e3dbfeee26901cd8e47e6ebd9eb49757abd0ccfe6cf4017b664f0de23cac6f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling compiletest_rs v0.3.25
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rlua v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking tester v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustyline v5.0.4
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.10s
[INFO] running `Command { std: "docker" "inspect" "4e3dbfeee26901cd8e47e6ebd9eb49757abd0ccfe6cf4017b664f0de23cac6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3dbfeee26901cd8e47e6ebd9eb49757abd0ccfe6cf4017b664f0de23cac6f9", kill_on_drop: false }`
[INFO] [stdout] 4e3dbfeee26901cd8e47e6ebd9eb49757abd0ccfe6cf4017b664f0de23cac6f9