[INFO] fetching crate cueball 0.3.5...
[INFO] checking cueball-0.3.5 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate cueball 0.3.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cueball 0.3.5 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball 0.3.5
[INFO] finished tweaking crates.io crate cueball 0.3.5
[INFO] tweaked toml for crates.io crate cueball 0.3.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cueball 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 6084ac1151e7c2ac48fbf6bf4ca62dbd03f13a82e302baf2350a583cb27ce663
[INFO] running `Command { std: "docker" "start" "-a" "6084ac1151e7c2ac48fbf6bf4ca62dbd03f13a82e302baf2350a583cb27ce663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6084ac1151e7c2ac48fbf6bf4ca62dbd03f13a82e302baf2350a583cb27ce663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6084ac1151e7c2ac48fbf6bf4ca62dbd03f13a82e302baf2350a583cb27ce663", kill_on_drop: false }`
[INFO] [stdout] 6084ac1151e7c2ac48fbf6bf4ca62dbd03f13a82e302baf2350a583cb27ce663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 2420a6136b52415a85d9a44a87e2313cab586e12444ff8987a0dcf86537cae35
[INFO] running `Command { std: "docker" "start" "-a" "2420a6136b52415a85d9a44a87e2313cab586e12444ff8987a0dcf86537cae35", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking cueball v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "2420a6136b52415a85d9a44a87e2313cab586e12444ff8987a0dcf86537cae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2420a6136b52415a85d9a44a87e2313cab586e12444ff8987a0dcf86537cae35", kill_on_drop: false }`
[INFO] [stdout] 2420a6136b52415a85d9a44a87e2313cab586e12444ff8987a0dcf86537cae35