[INFO] fetching crate compt 1.6.0...
[INFO] extracting crate compt 1.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/compt/1.6.0
[INFO] extracting crate compt 1.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/compt/1.6.0
[INFO] validating manifest of compt-1.6.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of compt-1.6.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/compt/1.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing compt-1.6.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f0ffa75470cd157f065d4a8421a5ff41ee0fcb5172a040a3214756f3f0eb0ae4
[INFO] running `"docker" "start" "-a" "f0ffa75470cd157f065d4a8421a5ff41ee0fcb5172a040a3214756f3f0eb0ae4"`
[INFO] [stderr]    Compiling compt v1.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "f0ffa75470cd157f065d4a8421a5ff41ee0fcb5172a040a3214756f3f0eb0ae4"`
[INFO] running `"docker" "rm" "-f" "f0ffa75470cd157f065d4a8421a5ff41ee0fcb5172a040a3214756f3f0eb0ae4"`
[INFO] [stdout] f0ffa75470cd157f065d4a8421a5ff41ee0fcb5172a040a3214756f3f0eb0ae4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d1d64f8fc9044d75380278cd8d7a9c78d602a846b938d6862110757db7d5178
[INFO] running `"docker" "start" "-a" "9d1d64f8fc9044d75380278cd8d7a9c78d602a846b938d6862110757db7d5178"`
[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 6.14s
[INFO] running `"docker" "inspect" "9d1d64f8fc9044d75380278cd8d7a9c78d602a846b938d6862110757db7d5178"`
[INFO] running `"docker" "rm" "-f" "9d1d64f8fc9044d75380278cd8d7a9c78d602a846b938d6862110757db7d5178"`
[INFO] [stdout] 9d1d64f8fc9044d75380278cd8d7a9c78d602a846b938d6862110757db7d5178
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6a6a33079e8c2bca3d6ce70c0711a7797ffb34199af78380e496185518bd9dca
[INFO] running `"docker" "start" "-a" "6a6a33079e8c2bca3d6ce70c0711a7797ffb34199af78380e496185518bd9dca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compt-69ece27b7a9af4ea
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-cf9527c2d38b56fe
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dfs_inorder_mut ... ok
[INFO] [stdout] test dfs_inorder_mut_backwards ... ok
[INFO] [stdout] test dfs_mut ... ok
[INFO] [stdout] test dfs_inorder2_mut ... ok
[INFO] [stdout] test test_length ... ok
[INFO] [stdout] test bfs ... ok
[INFO] [stderr]    Doc-tests compt
[INFO] [stdout] test bfs_mut ... ok
[INFO] [stdout] test dfs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "6a6a33079e8c2bca3d6ce70c0711a7797ffb34199af78380e496185518bd9dca"`
[INFO] running `"docker" "rm" "-f" "6a6a33079e8c2bca3d6ce70c0711a7797ffb34199af78380e496185518bd9dca"`
[INFO] [stdout] 6a6a33079e8c2bca3d6ce70c0711a7797ffb34199af78380e496185518bd9dca