[INFO] crate compt 1.6.0 is already in cache
[INFO] extracting crate compt 1.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/compt/1.6.0
[INFO] extracting crate compt 1.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compt/1.6.0
[INFO] validating manifest of compt-1.6.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of compt-1.6.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing compt-1.6.0
[INFO] finished frobbing compt-1.6.0
[INFO] frobbed toml for compt-1.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/compt/1.6.0/Cargo.toml
[INFO] started frobbing compt-1.6.0
[INFO] finished frobbing compt-1.6.0
[INFO] frobbed toml for compt-1.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compt/1.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing compt-1.6.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compt/1.6.0:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6f9377ae7d74ec9d1999f9d86e1a9f6463fbda7e28fd2c7e32517d79b0e38790
[INFO] running `"docker" "start" "-a" "6f9377ae7d74ec9d1999f9d86e1a9f6463fbda7e28fd2c7e32517d79b0e38790"`
[INFO] [stderr]    Compiling compt v1.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "6f9377ae7d74ec9d1999f9d86e1a9f6463fbda7e28fd2c7e32517d79b0e38790"`
[INFO] running `"docker" "rm" "-f" "6f9377ae7d74ec9d1999f9d86e1a9f6463fbda7e28fd2c7e32517d79b0e38790"`
[INFO] [stdout] 6f9377ae7d74ec9d1999f9d86e1a9f6463fbda7e28fd2c7e32517d79b0e38790
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compt/1.6.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a7d2db7449d701126e1b790583b1485e61702c279c7d7068be7c736e9647ccd
[INFO] running `"docker" "start" "-a" "2a7d2db7449d701126e1b790583b1485e61702c279c7d7068be7c736e9647ccd"`
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stderr]    Compiling compt v1.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `"docker" "inspect" "2a7d2db7449d701126e1b790583b1485e61702c279c7d7068be7c736e9647ccd"`
[INFO] running `"docker" "rm" "-f" "2a7d2db7449d701126e1b790583b1485e61702c279c7d7068be7c736e9647ccd"`
[INFO] [stdout] 2a7d2db7449d701126e1b790583b1485e61702c279c7d7068be7c736e9647ccd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compt/1.6.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 244eafb08640deddbbf7c73ffb47d65eec299f9558e2edc0af64dc1cb7549246
[INFO] running `"docker" "start" "-a" "244eafb08640deddbbf7c73ffb47d65eec299f9558e2edc0af64dc1cb7549246"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compt-eb2118bbbb919e04
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-d7e3aa672031d0e5
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dfs ... ok
[INFO] [stdout] test bfs_mut ... ok
[INFO] [stdout] test dfs_mut ... ok
[INFO] [stdout] test dfs_inorder2_mut ... ok
[INFO] [stdout] test dfs_inorder_mut ... ok
[INFO] [stdout] test dfs_inorder_mut_backwards ... ok
[INFO] [stdout] test test_length ... ok
[INFO] [stdout] test bfs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests compt
[INFO] [stderr] error: no global memory allocator found but one is required; link to std or add `#[global_allocator]` to a static item that implements the GlobalAlloc trait.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "244eafb08640deddbbf7c73ffb47d65eec299f9558e2edc0af64dc1cb7549246"`
[INFO] running `"docker" "rm" "-f" "244eafb08640deddbbf7c73ffb47d65eec299f9558e2edc0af64dc1cb7549246"`
[INFO] [stdout] 244eafb08640deddbbf7c73ffb47d65eec299f9558e2edc0af64dc1cb7549246