[INFO] fetching crate rmw-utf8 0.0.2...
[INFO] checking rmw-utf8-0.0.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rmw-utf8 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rmw-utf8 0.0.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmw-utf8 0.0.2
[INFO] finished tweaking crates.io crate rmw-utf8 0.0.2
[INFO] tweaked toml for crates.io crate rmw-utf8 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b6d379511840e0419efb67c5bd996f90322dc04a352a14fc6006cb05c295d8
[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" "98b6d379511840e0419efb67c5bd996f90322dc04a352a14fc6006cb05c295d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b6d379511840e0419efb67c5bd996f90322dc04a352a14fc6006cb05c295d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b6d379511840e0419efb67c5bd996f90322dc04a352a14fc6006cb05c295d8", kill_on_drop: false }`
[INFO] [stdout] 98b6d379511840e0419efb67c5bd996f90322dc04a352a14fc6006cb05c295d8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 92c354213300577e1f299b3b9370a415d1a1e2fcbbc3914479b998782eb4ee54
[INFO] running `Command { std: "docker" "start" "-a" "92c354213300577e1f299b3b9370a415d1a1e2fcbbc3914479b998782eb4ee54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling static_init v1.0.1
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking huffman-compress v0.6.1
[INFO] [stderr]     Checking ruzstd v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling speedy-derive v0.7.1
[INFO] [stderr]    Compiling static_init_macro v1.0.1
[INFO] [stderr]     Checking speedy v0.7.1
[INFO] [stderr]     Checking rmw-utf8 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
[INFO] running `Command { std: "docker" "inspect" "92c354213300577e1f299b3b9370a415d1a1e2fcbbc3914479b998782eb4ee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c354213300577e1f299b3b9370a415d1a1e2fcbbc3914479b998782eb4ee54", kill_on_drop: false }`
[INFO] [stdout] 92c354213300577e1f299b3b9370a415d1a1e2fcbbc3914479b998782eb4ee54