[INFO] fetching crate average 0.10.4...
[INFO] checking average-0.10.4 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate average 0.10.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate average 0.10.4 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate average 0.10.4
[INFO] finished tweaking crates.io crate average 0.10.4
[INFO] tweaked toml for crates.io crate average 0.10.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0892da031859675c7f4fe449eae5bbcc0a14ceef21ce248734001e0c057877c8
[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" "0892da031859675c7f4fe449eae5bbcc0a14ceef21ce248734001e0c057877c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0892da031859675c7f4fe449eae5bbcc0a14ceef21ce248734001e0c057877c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0892da031859675c7f4fe449eae5bbcc0a14ceef21ce248734001e0c057877c8", kill_on_drop: false }`
[INFO] [stdout] 0892da031859675c7f4fe449eae5bbcc0a14ceef21ce248734001e0c057877c8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] 3d38dc8038fd959dc17c0f7a81e88a34ce1f37bb9377ca6a27db14e4319373b1
[INFO] running `Command { std: "docker" "start" "-a" "3d38dc8038fd959dc17c0f7a81e88a34ce1f37bb9377ca6a27db14e4319373b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking quantiles v0.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking streaming-stats v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking average v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.35s
[INFO] running `Command { std: "docker" "inspect" "3d38dc8038fd959dc17c0f7a81e88a34ce1f37bb9377ca6a27db14e4319373b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d38dc8038fd959dc17c0f7a81e88a34ce1f37bb9377ca6a27db14e4319373b1", kill_on_drop: false }`
[INFO] [stdout] 3d38dc8038fd959dc17c0f7a81e88a34ce1f37bb9377ca6a27db14e4319373b1
