[INFO] fetching crate primal-tokio 0.1.0...
[INFO] checking primal-tokio-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate primal-tokio 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate primal-tokio 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate primal-tokio 0.1.0
[INFO] finished tweaking crates.io crate primal-tokio 0.1.0
[INFO] tweaked toml for crates.io crate primal-tokio 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 99c68c20d4e353037eedc7a0be2ff0df1ff1fe8e95d067723053ead38c058bff
[INFO] running `Command { std: "docker" "start" "-a" "99c68c20d4e353037eedc7a0be2ff0df1ff1fe8e95d067723053ead38c058bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c68c20d4e353037eedc7a0be2ff0df1ff1fe8e95d067723053ead38c058bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c68c20d4e353037eedc7a0be2ff0df1ff1fe8e95d067723053ead38c058bff", kill_on_drop: false }`
[INFO] [stdout] 99c68c20d4e353037eedc7a0be2ff0df1ff1fe8e95d067723053ead38c058bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 572a4338fc0b9adab244e60a58925b4bc3077631b2e114538ee8fcfc443f2756
[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" "572a4338fc0b9adab244e60a58925b4bc3077631b2e114538ee8fcfc443f2756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking primal-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.23s
[INFO] running `Command { std: "docker" "inspect" "572a4338fc0b9adab244e60a58925b4bc3077631b2e114538ee8fcfc443f2756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572a4338fc0b9adab244e60a58925b4bc3077631b2e114538ee8fcfc443f2756", kill_on_drop: false }`
[INFO] [stdout] 572a4338fc0b9adab244e60a58925b4bc3077631b2e114538ee8fcfc443f2756