[INFO] fetching crate average 0.10.0...
[INFO] extracting crate average 0.10.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/average/0.10.0
[INFO] extracting crate average 0.10.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/average/0.10.0
[INFO] validating manifest of average-0.10.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of average-0.10.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing average-0.10.0
[INFO] finished frobbing average-0.10.0
[INFO] frobbed toml for average-0.10.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/average/0.10.0/Cargo.toml
[INFO] started frobbing average-0.10.0
[INFO] finished frobbing average-0.10.0
[INFO] frobbed toml for average-0.10.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/average/0.10.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking average-0.10.0 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/average/0.10.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4aeaefdfc999e25e662f65ff11fbef339d174cbe34fa4c8de57d8a72245cc8a
[INFO] running `"docker" "start" "-a" "d4aeaefdfc999e25e662f65ff11fbef339d174cbe34fa4c8de57d8a72245cc8a"`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking quantiles v0.7.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking streaming-stats v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking average v0.10.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/proptest.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate average;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/proptest.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use] extern crate proptest;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `"docker" "inspect" "d4aeaefdfc999e25e662f65ff11fbef339d174cbe34fa4c8de57d8a72245cc8a"`
[INFO] running `"docker" "rm" "-f" "d4aeaefdfc999e25e662f65ff11fbef339d174cbe34fa4c8de57d8a72245cc8a"`
[INFO] [stdout] d4aeaefdfc999e25e662f65ff11fbef339d174cbe34fa4c8de57d8a72245cc8a