[INFO] fetching crate exec_time 0.1.4...
[INFO] checking exec_time-0.1.4 against beta for pr-78714
[INFO] extracting crate exec_time 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate exec_time 0.1.4 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 exec_time 0.1.4
[INFO] finished tweaking crates.io crate exec_time 0.1.4
[INFO] tweaked toml for crates.io crate exec_time 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d1d7c70b280c47358e9f0370eafffc7da7c808b97dc1be7bf4a3f62a96ad6c
[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" "a7d1d7c70b280c47358e9f0370eafffc7da7c808b97dc1be7bf4a3f62a96ad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d1d7c70b280c47358e9f0370eafffc7da7c808b97dc1be7bf4a3f62a96ad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d1d7c70b280c47358e9f0370eafffc7da7c808b97dc1be7bf4a3f62a96ad6c", kill_on_drop: false }`
[INFO] [stdout] a7d1d7c70b280c47358e9f0370eafffc7da7c808b97dc1be7bf4a3f62a96ad6c
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292326c4934fc84320c01aa76f6034bdc0090f56c54e76f88bff172922ed4c67
[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" "292326c4934fc84320c01aa76f6034bdc0090f56c54e76f88bff172922ed4c67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking darling v0.9.0
[INFO] [stderr]     Checking exec_time v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.67s
[INFO] running `Command { std: "docker" "inspect" "292326c4934fc84320c01aa76f6034bdc0090f56c54e76f88bff172922ed4c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292326c4934fc84320c01aa76f6034bdc0090f56c54e76f88bff172922ed4c67", kill_on_drop: false }`
[INFO] [stdout] 292326c4934fc84320c01aa76f6034bdc0090f56c54e76f88bff172922ed4c67