[INFO] crate awi 0.8.0 is already in cache
[INFO] extracting crate awi 0.8.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/awi/0.8.0
[INFO] extracting crate awi 0.8.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/awi/0.8.0
[INFO] validating manifest of awi-0.8.0 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 awi-0.8.0 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 awi-0.8.0
[INFO] finished frobbing awi-0.8.0
[INFO] frobbed toml for awi-0.8.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/awi/0.8.0/Cargo.toml
[INFO] started frobbing awi-0.8.0
[INFO] finished frobbing awi-0.8.0
[INFO] frobbed toml for awi-0.8.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/awi/0.8.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing awi-0.8.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/awi/0.8.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 842950c571ddc0a923a763cb17e7fc80a512eddab780dace5bed68f57a56ebc0
[INFO] running `"docker" "start" "-a" "842950c571ddc0a923a763cb17e7fc80a512eddab780dace5bed68f57a56ebc0"`
[INFO] [stderr]    Compiling afi v0.7.0
[INFO] [stderr]    Compiling stick v0.4.1
[INFO] [stderr]    Compiling dl_api v0.2.0
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `"docker" "inspect" "842950c571ddc0a923a763cb17e7fc80a512eddab780dace5bed68f57a56ebc0"`
[INFO] running `"docker" "rm" "-f" "842950c571ddc0a923a763cb17e7fc80a512eddab780dace5bed68f57a56ebc0"`
[INFO] [stdout] 842950c571ddc0a923a763cb17e7fc80a512eddab780dace5bed68f57a56ebc0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/awi/0.8.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 285348e2148a780edcaae70d6bdb3354cc8a5bc4c06bdea2c11573972e0d1526
[INFO] running `"docker" "start" "-a" "285348e2148a780edcaae70d6bdb3354cc8a5bc4c06bdea2c11573972e0d1526"`
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "285348e2148a780edcaae70d6bdb3354cc8a5bc4c06bdea2c11573972e0d1526"`
[INFO] running `"docker" "rm" "-f" "285348e2148a780edcaae70d6bdb3354cc8a5bc4c06bdea2c11573972e0d1526"`
[INFO] [stdout] 285348e2148a780edcaae70d6bdb3354cc8a5bc4c06bdea2c11573972e0d1526
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/awi/0.8.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] fb005947d5efc16ddb6ee157aeabb7e1c1f8764117c16e65f7c7c0aa451d509e
[INFO] running `"docker" "start" "-a" "fb005947d5efc16ddb6ee157aeabb7e1c1f8764117c16e65f7c7c0aa451d509e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/awi-46c393b15ff01c88
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests awi
[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] [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" "fb005947d5efc16ddb6ee157aeabb7e1c1f8764117c16e65f7c7c0aa451d509e"`
[INFO] running `"docker" "rm" "-f" "fb005947d5efc16ddb6ee157aeabb7e1c1f8764117c16e65f7c7c0aa451d509e"`
[INFO] [stdout] fb005947d5efc16ddb6ee157aeabb7e1c1f8764117c16e65f7c7c0aa451d509e