[INFO] fetching crate rsflex 0.3.0...
[INFO] checking rsflex-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate rsflex 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rsflex 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsflex 0.3.0
[INFO] finished tweaking crates.io crate rsflex 0.3.0
[INFO] tweaked toml for crates.io crate rsflex 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rsflex 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmd_lib_macros v0.1.0
[INFO] [stderr]   Downloaded cmd_lib_core v0.1.0
[INFO] [stderr]   Downloaded cmd_lib v0.8.5
[INFO] [stderr]   Downloaded mimalloc v0.1.24
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.20
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 39a43922f456fc387ca90ca220ae9c5089b22e23776e932e7df98a65a6b5dfef
[INFO] running `Command { std: "docker" "start" "-a" "39a43922f456fc387ca90ca220ae9c5089b22e23776e932e7df98a65a6b5dfef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a43922f456fc387ca90ca220ae9c5089b22e23776e932e7df98a65a6b5dfef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a43922f456fc387ca90ca220ae9c5089b22e23776e932e7df98a65a6b5dfef", kill_on_drop: false }`
[INFO] [stdout] 39a43922f456fc387ca90ca220ae9c5089b22e23776e932e7df98a65a6b5dfef
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d4b5e0809533f0cc0957f4193dbe4bc6bddbc164d3fad332d710c7d1d4660f07
[INFO] running `Command { std: "docker" "start" "-a" "d4b5e0809533f0cc0957f4193dbe4bc6bddbc164d3fad332d710c7d1d4660f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cmd_lib_core v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cmd_lib_macros v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking cmd_lib v0.8.5
[INFO] [stderr]     Checking mimalloc v0.1.24
[INFO] [stderr]     Checking rsflex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "d4b5e0809533f0cc0957f4193dbe4bc6bddbc164d3fad332d710c7d1d4660f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b5e0809533f0cc0957f4193dbe4bc6bddbc164d3fad332d710c7d1d4660f07", kill_on_drop: false }`
[INFO] [stdout] d4b5e0809533f0cc0957f4193dbe4bc6bddbc164d3fad332d710c7d1d4660f07