[INFO] fetching crate palaver 0.3.0-alpha.3...
[INFO] checking palaver-0.3.0-alpha.3 against beta for pr-78714
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 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 palaver 0.3.0-alpha.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate palaver 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate palaver 0.3.0-alpha.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate palaver 0.3.0-alpha.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1fa4a50e40f26edfb62226aa51d8ec8cb61386f8af15101b5cc7b9f02faf164e
[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" "1fa4a50e40f26edfb62226aa51d8ec8cb61386f8af15101b5cc7b9f02faf164e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa4a50e40f26edfb62226aa51d8ec8cb61386f8af15101b5cc7b9f02faf164e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa4a50e40f26edfb62226aa51d8ec8cb61386f8af15101b5cc7b9f02faf164e", kill_on_drop: false }`
[INFO] [stdout] 1fa4a50e40f26edfb62226aa51d8ec8cb61386f8af15101b5cc7b9f02faf164e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e64a64f56071621807a01eedf8c258494efb6f8c89205770ef422c781127e437
[INFO] running `Command { std: "docker" "start" "-a" "e64a64f56071621807a01eedf8c258494efb6f8c89205770ef422c781127e437", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking procfs v0.7.7
[INFO] [stderr]     Checking nix v0.16.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking palaver v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.30s
[INFO] running `Command { std: "docker" "inspect" "e64a64f56071621807a01eedf8c258494efb6f8c89205770ef422c781127e437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64a64f56071621807a01eedf8c258494efb6f8c89205770ef422c781127e437", kill_on_drop: false }`
[INFO] [stdout] e64a64f56071621807a01eedf8c258494efb6f8c89205770ef422c781127e437