[INFO] updating cached repository aochagavia/rocket_wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aochagavia/rocket_wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aochagavia/rocket_wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aochagavia/rocket_wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aochagavia/rocket_wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aochagavia/rocket_wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5912fb7836dc6640d60698817fa4bca3c9f7361
[INFO] sha for GitHub repo aochagavia/rocket_wasm: f5912fb7836dc6640d60698817fa4bca3c9f7361
[INFO] validating manifest of aochagavia/rocket_wasm 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 aochagavia/rocket_wasm 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 aochagavia/rocket_wasm
[INFO] finished frobbing aochagavia/rocket_wasm
[INFO] frobbed toml for aochagavia/rocket_wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm/Cargo.toml
[INFO] started frobbing aochagavia/rocket_wasm
[INFO] finished frobbing aochagavia/rocket_wasm
[INFO] frobbed toml for aochagavia/rocket_wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aochagavia/rocket_wasm/Cargo.toml
[INFO] crate aochagavia/rocket_wasm already has a lockfile, it will not be regenerated
[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 aochagavia/rocket_wasm 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm:/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] 341314b94cef4e0fa79f2b832e49573557e307dfe541ed0586ab198e1315a85d
[INFO] running `"docker" "start" "-a" "341314b94cef4e0fa79f2b832e49573557e307dfe541ed0586ab198e1315a85d"`
[INFO] [stderr]    Compiling rand v0.3.18 (https://github.com/aochagavia/rand.git?branch=wasm#cbd99e5e)
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling extprim v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling pcg_rand v0.7.1
[INFO] [stderr]    Compiling rocket v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `itertools_num` is imported redundantly
[INFO] [stderr]   --> src/util.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use itertools_num;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate itertools_num;
[INFO] [stderr]    | --------------------------- the item `itertools_num` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `"docker" "inspect" "341314b94cef4e0fa79f2b832e49573557e307dfe541ed0586ab198e1315a85d"`
[INFO] running `"docker" "rm" "-f" "341314b94cef4e0fa79f2b832e49573557e307dfe541ed0586ab198e1315a85d"`
[INFO] [stdout] 341314b94cef4e0fa79f2b832e49573557e307dfe541ed0586ab198e1315a85d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm:/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] dcfb7e7e742ba4ee2e8d3215334f3da7b0fe5cfcf1c864ffeeffe016cab7ec4b
[INFO] running `"docker" "start" "-a" "dcfb7e7e742ba4ee2e8d3215334f3da7b0fe5cfcf1c864ffeeffe016cab7ec4b"`
[INFO] [stderr]    Compiling rocket v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `itertools_num` is imported redundantly
[INFO] [stderr]   --> src/util.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use itertools_num;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate itertools_num;
[INFO] [stderr]    | --------------------------- the item `itertools_num` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "dcfb7e7e742ba4ee2e8d3215334f3da7b0fe5cfcf1c864ffeeffe016cab7ec4b"`
[INFO] running `"docker" "rm" "-f" "dcfb7e7e742ba4ee2e8d3215334f3da7b0fe5cfcf1c864ffeeffe016cab7ec4b"`
[INFO] [stdout] dcfb7e7e742ba4ee2e8d3215334f3da7b0fe5cfcf1c864ffeeffe016cab7ec4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aochagavia/rocket_wasm:/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] 80cb209092666e8e761ec1da7a0af4a8accc851b0c96fb3cb668c812ec4c8d85
[INFO] running `"docker" "start" "-a" "80cb209092666e8e761ec1da7a0af4a8accc851b0c96fb3cb668c812ec4c8d85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rocket-b3ce4085d4c64e34
[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" "80cb209092666e8e761ec1da7a0af4a8accc851b0c96fb3cb668c812ec4c8d85"`
[INFO] running `"docker" "rm" "-f" "80cb209092666e8e761ec1da7a0af4a8accc851b0c96fb3cb668c812ec4c8d85"`
[INFO] [stdout] 80cb209092666e8e761ec1da7a0af4a8accc851b0c96fb3cb668c812ec4c8d85