[INFO] crate iter-trait 0.3.1 is already in cache
[INFO] extracting crate iter-trait 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/iter-trait/0.3.1
[INFO] extracting crate iter-trait 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iter-trait/0.3.1
[INFO] validating manifest of iter-trait-0.3.1 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 iter-trait-0.3.1 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 iter-trait-0.3.1
[INFO] finished frobbing iter-trait-0.3.1
[INFO] frobbed toml for iter-trait-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iter-trait/0.3.1/Cargo.toml
[INFO] started frobbing iter-trait-0.3.1
[INFO] finished frobbing iter-trait-0.3.1
[INFO] frobbed toml for iter-trait-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iter-trait/0.3.1/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 iter-trait-0.3.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-trait/0.3.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1e7758170df88d255f5d4a10220adf3acde62ad04934a26852abbfa2686c55b6
[INFO] running `"docker" "start" "-a" "1e7758170df88d255f5d4a10220adf3acde62ad04934a26852abbfa2686c55b6"`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "1e7758170df88d255f5d4a10220adf3acde62ad04934a26852abbfa2686c55b6"`
[INFO] running `"docker" "rm" "-f" "1e7758170df88d255f5d4a10220adf3acde62ad04934a26852abbfa2686c55b6"`
[INFO] [stdout] 1e7758170df88d255f5d4a10220adf3acde62ad04934a26852abbfa2686c55b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-trait/0.3.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2ce101908baeee3b60e1dbc9690289ad57755b574c615642c229dcdf990333c
[INFO] running `"docker" "start" "-a" "d2ce101908baeee3b60e1dbc9690289ad57755b574c615642c229dcdf990333c"`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "d2ce101908baeee3b60e1dbc9690289ad57755b574c615642c229dcdf990333c"`
[INFO] running `"docker" "rm" "-f" "d2ce101908baeee3b60e1dbc9690289ad57755b574c615642c229dcdf990333c"`
[INFO] [stdout] d2ce101908baeee3b60e1dbc9690289ad57755b574c615642c229dcdf990333c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-trait/0.3.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2a4639de46232137e63d290845662739fc8b509181852fe237ea610e214e2eca
[INFO] running `"docker" "start" "-a" "2a4639de46232137e63d290845662739fc8b509181852fe237ea610e214e2eca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iter_trait-93bfbf2730968d14
[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]    Doc-tests iter-trait
[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] running `"docker" "inspect" "2a4639de46232137e63d290845662739fc8b509181852fe237ea610e214e2eca"`
[INFO] running `"docker" "rm" "-f" "2a4639de46232137e63d290845662739fc8b509181852fe237ea610e214e2eca"`
[INFO] [stdout] 2a4639de46232137e63d290845662739fc8b509181852fe237ea610e214e2eca