[INFO] updating cached repository simonhdickson/queue-prop-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simonhdickson/queue-prop-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simonhdickson/queue-prop-example" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/simonhdickson/queue-prop-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/simonhdickson/queue-prop-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simonhdickson/queue-prop-example" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/simonhdickson/queue-prop-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/simonhdickson/queue-prop-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b250c5f9e5df550064cb5248f30bf73c81ee477
[INFO] sha for GitHub repo simonhdickson/queue-prop-example: 3b250c5f9e5df550064cb5248f30bf73c81ee477
[INFO] validating manifest of simonhdickson/queue-prop-example on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of simonhdickson/queue-prop-example on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing simonhdickson/queue-prop-example
[INFO] finished frobbing simonhdickson/queue-prop-example
[INFO] frobbed toml for simonhdickson/queue-prop-example written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/simonhdickson/queue-prop-example/Cargo.toml
[INFO] started frobbing simonhdickson/queue-prop-example
[INFO] finished frobbing simonhdickson/queue-prop-example
[INFO] frobbed toml for simonhdickson/queue-prop-example written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/simonhdickson/queue-prop-example/Cargo.toml
[INFO] crate simonhdickson/queue-prop-example has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building simonhdickson/queue-prop-example against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/simonhdickson/queue-prop-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 92ceea823775cceb18ec60abc38ab6b085708e9c08c90f9fc8af98ac56a7f774
[INFO] running `"docker" "start" "-a" "92ceea823775cceb18ec60abc38ab6b085708e9c08c90f9fc8af98ac56a7f774"`
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling rand_derive v0.3.1
[INFO] [stderr]    Compiling quickcheck_derive v0.1.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling queue-prop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate quickcheck;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn new() -> Queue<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `"docker" "inspect" "92ceea823775cceb18ec60abc38ab6b085708e9c08c90f9fc8af98ac56a7f774"`
[INFO] running `"docker" "rm" "-f" "92ceea823775cceb18ec60abc38ab6b085708e9c08c90f9fc8af98ac56a7f774"`
[INFO] [stdout] 92ceea823775cceb18ec60abc38ab6b085708e9c08c90f9fc8af98ac56a7f774
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/simonhdickson/queue-prop-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35ea3e169e8b2f2478836f5e7d41798bc3d55d863f5e30d4ae2d0a929f9dd40e
[INFO] running `"docker" "start" "-a" "35ea3e169e8b2f2478836f5e7d41798bc3d55d863f5e30d4ae2d0a929f9dd40e"`
[INFO] [stderr]    Compiling queue-prop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "35ea3e169e8b2f2478836f5e7d41798bc3d55d863f5e30d4ae2d0a929f9dd40e"`
[INFO] running `"docker" "rm" "-f" "35ea3e169e8b2f2478836f5e7d41798bc3d55d863f5e30d4ae2d0a929f9dd40e"`
[INFO] [stdout] 35ea3e169e8b2f2478836f5e7d41798bc3d55d863f5e30d4ae2d0a929f9dd40e