[INFO] updating cached repository TowersofZeyron/layout_javascript_tricks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TowersofZeyron/layout_javascript_tricks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TowersofZeyron/layout_javascript_tricks" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TowersofZeyron/layout_javascript_tricks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TowersofZeyron/layout_javascript_tricks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TowersofZeyron/layout_javascript_tricks" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TowersofZeyron/layout_javascript_tricks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TowersofZeyron/layout_javascript_tricks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97666a0b0deacf7234c4e6f91b2f782c298dd724
[INFO] sha for GitHub repo TowersofZeyron/layout_javascript_tricks: 97666a0b0deacf7234c4e6f91b2f782c298dd724
[INFO] validating manifest of TowersofZeyron/layout_javascript_tricks on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TowersofZeyron/layout_javascript_tricks on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TowersofZeyron/layout_javascript_tricks
[INFO] finished frobbing TowersofZeyron/layout_javascript_tricks
[INFO] frobbed toml for TowersofZeyron/layout_javascript_tricks written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TowersofZeyron/layout_javascript_tricks/Cargo.toml
[INFO] started frobbing TowersofZeyron/layout_javascript_tricks
[INFO] finished frobbing TowersofZeyron/layout_javascript_tricks
[INFO] frobbed toml for TowersofZeyron/layout_javascript_tricks written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TowersofZeyron/layout_javascript_tricks/Cargo.toml
[INFO] crate TowersofZeyron/layout_javascript_tricks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking TowersofZeyron/layout_javascript_tricks against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TowersofZeyron/layout_javascript_tricks:/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=forbid" "-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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 491ac1b3c548c98eb250bfe5915547d6323a5c00573f263fb44504cf0ad41ec3
[INFO] running `"docker" "start" "-a" "491ac1b3c548c98eb250bfe5915547d6323a5c00573f263fb44504cf0ad41ec3"`
[INFO] [stderr]    Compiling rocket v0.2.2
[INFO] [stderr]    Compiling rocket_codegen v0.2.2
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]     Checking hyper v0.10.5
[INFO] [stderr] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.2/src/config/config.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, lookup_host};
[INFO] [stderr]   |                        ^^^^^^^^^^^ no `lookup_host` in `net`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.2/src/config/config.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, lookup_host};
[INFO] [stderr]   |                        ^^^^^^^^^^^ no `lookup_host` in `net`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rocket`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rocket`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "491ac1b3c548c98eb250bfe5915547d6323a5c00573f263fb44504cf0ad41ec3"`
[INFO] running `"docker" "rm" "-f" "491ac1b3c548c98eb250bfe5915547d6323a5c00573f263fb44504cf0ad41ec3"`
[INFO] [stdout] 491ac1b3c548c98eb250bfe5915547d6323a5c00573f263fb44504cf0ad41ec3