[INFO] updating cached repository at1as/the_nuclear_option
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/at1as/the_nuclear_option
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/at1as/the_nuclear_option" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/at1as/the_nuclear_option"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/at1as/the_nuclear_option'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/at1as/the_nuclear_option" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/at1as/the_nuclear_option"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/at1as/the_nuclear_option'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58e4328a8951fbd570c8c9bc0ec499daaf0dc816
[INFO] sha for GitHub repo at1as/the_nuclear_option: 58e4328a8951fbd570c8c9bc0ec499daaf0dc816
[INFO] validating manifest of at1as/the_nuclear_option 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 at1as/the_nuclear_option 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 at1as/the_nuclear_option
[INFO] finished frobbing at1as/the_nuclear_option
[INFO] frobbed toml for at1as/the_nuclear_option written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/at1as/the_nuclear_option/Cargo.toml
[INFO] started frobbing at1as/the_nuclear_option
[INFO] finished frobbing at1as/the_nuclear_option
[INFO] frobbed toml for at1as/the_nuclear_option written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/at1as/the_nuclear_option/Cargo.toml
[INFO] crate at1as/the_nuclear_option 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] checking at1as/the_nuclear_option against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/at1as/the_nuclear_option:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7b5def6191548df698f4c0510816c202e14c4393b8b286a2c53631f7a9959325
[INFO] running `"docker" "start" "-a" "7b5def6191548df698f4c0510816c202e14c4393b8b286a2c53631f7a9959325"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hyper v0.10.9
[INFO] [stderr]     Checking nuclear_option v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Mime`, `SubLevel`, `TopLevel`
[INFO] [stderr]  --> src/main.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use hyper::mime::{Mime, TopLevel, SubLevel};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Ok`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hyper::Ok;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mime`, `SubLevel`, `TopLevel`
[INFO] [stderr]  --> src/main.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use hyper::mime::{Mime, TopLevel, SubLevel};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Ok`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hyper::Ok;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `"docker" "inspect" "7b5def6191548df698f4c0510816c202e14c4393b8b286a2c53631f7a9959325"`
[INFO] running `"docker" "rm" "-f" "7b5def6191548df698f4c0510816c202e14c4393b8b286a2c53631f7a9959325"`
[INFO] [stdout] 7b5def6191548df698f4c0510816c202e14c4393b8b286a2c53631f7a9959325