[INFO] fetching crate liquid-interpreter 0.20.0-alpha.6...
[INFO] checking liquid-interpreter-0.20.0-alpha.6 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate liquid-interpreter 0.20.0-alpha.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate liquid-interpreter 0.20.0-alpha.6 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liquid-interpreter 0.20.0-alpha.6
[INFO] finished tweaking crates.io crate liquid-interpreter 0.20.0-alpha.6
[INFO] tweaked toml for crates.io crate liquid-interpreter 0.20.0-alpha.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 710f759b3a0a3b29851c4168f1fa7b1210c6c40bb13ac50845f727158d2ca1ba
[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" "710f759b3a0a3b29851c4168f1fa7b1210c6c40bb13ac50845f727158d2ca1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710f759b3a0a3b29851c4168f1fa7b1210c6c40bb13ac50845f727158d2ca1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710f759b3a0a3b29851c4168f1fa7b1210c6c40bb13ac50845f727158d2ca1ba", kill_on_drop: false }`
[INFO] [stdout] 710f759b3a0a3b29851c4168f1fa7b1210c6c40bb13ac50845f727158d2ca1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 84e5d1b736b7c98ddd858d9f426a687cf9ff33c7b3b94d795cfd6b407bdeeffe
[INFO] running `Command { std: "docker" "start" "-a" "84e5d1b736b7c98ddd858d9f426a687cf9ff33c7b3b94d795cfd6b407bdeeffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking kstring v0.1.2
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking liquid-error v0.20.0-alpha.6
[INFO] [stderr]     Checking liquid-value v0.20.0-alpha.6
[INFO] [stderr]     Checking liquid-interpreter v0.20.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.10s
[INFO] running `Command { std: "docker" "inspect" "84e5d1b736b7c98ddd858d9f426a687cf9ff33c7b3b94d795cfd6b407bdeeffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e5d1b736b7c98ddd858d9f426a687cf9ff33c7b3b94d795cfd6b407bdeeffe", kill_on_drop: false }`
[INFO] [stdout] 84e5d1b736b7c98ddd858d9f426a687cf9ff33c7b3b94d795cfd6b407bdeeffe